/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 01:02:35,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 01:02:35,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 01:02:35,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 01:02:35,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 01:02:35,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 01:02:35,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 01:02:35,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 01:02:35,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 01:02:35,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 01:02:35,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 01:02:35,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 01:02:35,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 01:02:35,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 01:02:35,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 01:02:35,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 01:02:35,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 01:02:35,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 01:02:35,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 01:02:35,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 01:02:35,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-18 01:02:35,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 01:02:35,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 01:02:35,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 01:02:35,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 01:02:35,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 01:02:35,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 01:02:35,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 01:02:35,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 01:02:35,770 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 01:02:35,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 01:02:35,770 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 01:02:35,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 01:02:35,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 01:02:35,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 01:02:35,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 01:02:35,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 01:02:35,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:02:35,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 01:02:35,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 01:02:35,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 01:02:35,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 01:02:35,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 01:02:35,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 01:02:35,975 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 01:02:35,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c [2022-01-18 01:02:36,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad6a8243/cbd055f50f004b8f971cb8e9f6a0e19e/FLAG61a0c39e8 [2022-01-18 01:02:36,380 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 01:02:36,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c [2022-01-18 01:02:36,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad6a8243/cbd055f50f004b8f971cb8e9f6a0e19e/FLAG61a0c39e8 [2022-01-18 01:02:36,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad6a8243/cbd055f50f004b8f971cb8e9f6a0e19e [2022-01-18 01:02:36,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 01:02:36,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 01:02:36,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 01:02:36,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 01:02:36,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 01:02:36,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454db14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36, skipping insertion in model container [2022-01-18 01:02:36,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 01:02:36,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 01:02:36,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-01-18 01:02:36,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:02:36,635 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 01:02:36,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-01-18 01:02:36,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:02:36,676 INFO L208 MainTranslator]: Completed translation [2022-01-18 01:02:36,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36 WrapperNode [2022-01-18 01:02:36,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 01:02:36,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 01:02:36,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 01:02:36,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 01:02:36,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,709 INFO L137 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 130 [2022-01-18 01:02:36,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 01:02:36,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 01:02:36,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 01:02:36,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 01:02:36,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 01:02:36,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 01:02:36,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 01:02:36,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 01:02:36,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (1/1) ... [2022-01-18 01:02:36,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:02:36,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:02:36,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 01:02:36,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 01:02:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 01:02:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 01:02:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 01:02:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 01:02:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 01:02:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 01:02:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 01:02:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 01:02:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 01:02:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 01:02:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 01:02:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 01:02:36,784 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 01:02:36,866 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 01:02:36,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 01:02:37,052 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 01:02:37,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 01:02:37,057 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 01:02:37,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:02:37 BoogieIcfgContainer [2022-01-18 01:02:37,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 01:02:37,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 01:02:37,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 01:02:37,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 01:02:37,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:02:36" (1/3) ... [2022-01-18 01:02:37,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55615908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:02:37, skipping insertion in model container [2022-01-18 01:02:37,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:02:36" (2/3) ... [2022-01-18 01:02:37,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55615908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:02:37, skipping insertion in model container [2022-01-18 01:02:37,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:02:37" (3/3) ... [2022-01-18 01:02:37,064 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2022-01-18 01:02:37,067 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 01:02:37,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 01:02:37,067 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 01:02:37,068 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 01:02:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,113 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,115 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,116 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,117 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,118 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:02:37,132 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 01:02:37,157 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 01:02:37,161 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 01:02:37,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 01:02:37,169 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 176 transitions, 368 flow [2022-01-18 01:02:37,344 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7153 states, 7152 states have (on average 2.8859060402684564) internal successors, (20640), 7152 states have internal predecessors, (20640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 7153 states, 7152 states have (on average 2.8859060402684564) internal successors, (20640), 7152 states have internal predecessors, (20640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:37,429 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:37,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:37,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash 4484043, now seen corresponding path program 1 times [2022-01-18 01:02:37,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:37,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040942024] [2022-01-18 01:02:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:37,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:37,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:37,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040942024] [2022-01-18 01:02:37,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040942024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:37,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:37,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:37,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622143307] [2022-01-18 01:02:37,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:37,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:37,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:37,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:37,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:37,842 INFO L87 Difference]: Start difference. First operand has 7153 states, 7152 states have (on average 2.8859060402684564) internal successors, (20640), 7152 states have internal predecessors, (20640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:38,141 INFO L93 Difference]: Finished difference Result 8205 states and 22746 transitions. [2022-01-18 01:02:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 01:02:38,143 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:38,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:38,197 INFO L225 Difference]: With dead ends: 8205 [2022-01-18 01:02:38,198 INFO L226 Difference]: Without dead ends: 7243 [2022-01-18 01:02:38,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:38,202 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 128 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:38,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 1806 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:38,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7243 states. [2022-01-18 01:02:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7243 to 6522. [2022-01-18 01:02:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6522 states, 6521 states have (on average 2.7931298880539797) internal successors, (18214), 6521 states have internal predecessors, (18214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6522 states to 6522 states and 18214 transitions. [2022-01-18 01:02:38,438 INFO L78 Accepts]: Start accepts. Automaton has 6522 states and 18214 transitions. Word has length 91 [2022-01-18 01:02:38,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:38,439 INFO L470 AbstractCegarLoop]: Abstraction has 6522 states and 18214 transitions. [2022-01-18 01:02:38,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:38,439 INFO L276 IsEmpty]: Start isEmpty. Operand 6522 states and 18214 transitions. [2022-01-18 01:02:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:38,454 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:38,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:38,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 01:02:38,455 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2130602867, now seen corresponding path program 2 times [2022-01-18 01:02:38,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:38,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617807409] [2022-01-18 01:02:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:38,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:38,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:38,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617807409] [2022-01-18 01:02:38,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617807409] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:38,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:38,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:38,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736418241] [2022-01-18 01:02:38,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:38,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:38,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:38,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:38,653 INFO L87 Difference]: Start difference. First operand 6522 states and 18214 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:38,881 INFO L93 Difference]: Finished difference Result 7479 states and 20746 transitions. [2022-01-18 01:02:38,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:38,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:38,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:38,909 INFO L225 Difference]: With dead ends: 7479 [2022-01-18 01:02:38,909 INFO L226 Difference]: Without dead ends: 7212 [2022-01-18 01:02:38,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2022-01-18 01:02:38,913 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 110 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:38,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 1600 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7212 states. [2022-01-18 01:02:39,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7212 to 6518. [2022-01-18 01:02:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 6517 states have (on average 2.793156360288476) internal successors, (18203), 6517 states have internal predecessors, (18203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 18203 transitions. [2022-01-18 01:02:39,084 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 18203 transitions. Word has length 91 [2022-01-18 01:02:39,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:39,085 INFO L470 AbstractCegarLoop]: Abstraction has 6518 states and 18203 transitions. [2022-01-18 01:02:39,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 18203 transitions. [2022-01-18 01:02:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:39,099 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:39,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:39,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 01:02:39,099 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:39,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1383610329, now seen corresponding path program 3 times [2022-01-18 01:02:39,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:39,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059039052] [2022-01-18 01:02:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:39,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:39,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:39,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059039052] [2022-01-18 01:02:39,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059039052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:39,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:39,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:39,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383322086] [2022-01-18 01:02:39,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:39,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:39,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:39,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:39,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:39,239 INFO L87 Difference]: Start difference. First operand 6518 states and 18203 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:39,433 INFO L93 Difference]: Finished difference Result 7547 states and 20917 transitions. [2022-01-18 01:02:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 01:02:39,433 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:39,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:39,455 INFO L225 Difference]: With dead ends: 7547 [2022-01-18 01:02:39,455 INFO L226 Difference]: Without dead ends: 7252 [2022-01-18 01:02:39,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2022-01-18 01:02:39,457 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 145 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:39,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 1730 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7252 states. [2022-01-18 01:02:39,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7252 to 6514. [2022-01-18 01:02:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6514 states, 6513 states have (on average 2.7931828650391526) internal successors, (18192), 6513 states have internal predecessors, (18192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6514 states to 6514 states and 18192 transitions. [2022-01-18 01:02:39,582 INFO L78 Accepts]: Start accepts. Automaton has 6514 states and 18192 transitions. Word has length 91 [2022-01-18 01:02:39,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:39,583 INFO L470 AbstractCegarLoop]: Abstraction has 6514 states and 18192 transitions. [2022-01-18 01:02:39,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states and 18192 transitions. [2022-01-18 01:02:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:39,594 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:39,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:39,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 01:02:39,594 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:39,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:39,595 INFO L85 PathProgramCache]: Analyzing trace with hash -530590919, now seen corresponding path program 4 times [2022-01-18 01:02:39,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:39,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23899551] [2022-01-18 01:02:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:39,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:39,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:39,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23899551] [2022-01-18 01:02:39,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23899551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:39,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:39,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:39,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146900333] [2022-01-18 01:02:39,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:39,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:39,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:39,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:39,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:39,671 INFO L87 Difference]: Start difference. First operand 6514 states and 18192 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:39,920 INFO L93 Difference]: Finished difference Result 7598 states and 21046 transitions. [2022-01-18 01:02:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 01:02:39,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:39,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:39,935 INFO L225 Difference]: With dead ends: 7598 [2022-01-18 01:02:39,936 INFO L226 Difference]: Without dead ends: 7301 [2022-01-18 01:02:39,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-01-18 01:02:39,937 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 161 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:39,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 1794 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7301 states. [2022-01-18 01:02:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7301 to 6518. [2022-01-18 01:02:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 6517 states have (on average 2.7925425809421514) internal successors, (18199), 6517 states have internal predecessors, (18199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 18199 transitions. [2022-01-18 01:02:40,065 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 18199 transitions. Word has length 91 [2022-01-18 01:02:40,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:40,065 INFO L470 AbstractCegarLoop]: Abstraction has 6518 states and 18199 transitions. [2022-01-18 01:02:40,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 18199 transitions. [2022-01-18 01:02:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:40,080 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:40,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:40,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 01:02:40,080 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:40,080 INFO L85 PathProgramCache]: Analyzing trace with hash 86805253, now seen corresponding path program 5 times [2022-01-18 01:02:40,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:40,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071768661] [2022-01-18 01:02:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:40,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:40,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:40,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071768661] [2022-01-18 01:02:40,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071768661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:40,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:40,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:40,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289533708] [2022-01-18 01:02:40,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:40,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:40,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:40,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:40,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:40,163 INFO L87 Difference]: Start difference. First operand 6518 states and 18199 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:40,341 INFO L93 Difference]: Finished difference Result 7509 states and 20816 transitions. [2022-01-18 01:02:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:40,341 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:40,357 INFO L225 Difference]: With dead ends: 7509 [2022-01-18 01:02:40,358 INFO L226 Difference]: Without dead ends: 7243 [2022-01-18 01:02:40,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:40,359 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 123 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:40,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 1755 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:40,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7243 states. [2022-01-18 01:02:40,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7243 to 6522. [2022-01-18 01:02:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6522 states, 6521 states have (on average 2.7919030823493327) internal successors, (18206), 6521 states have internal predecessors, (18206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6522 states to 6522 states and 18206 transitions. [2022-01-18 01:02:40,483 INFO L78 Accepts]: Start accepts. Automaton has 6522 states and 18206 transitions. Word has length 91 [2022-01-18 01:02:40,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:40,483 INFO L470 AbstractCegarLoop]: Abstraction has 6522 states and 18206 transitions. [2022-01-18 01:02:40,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 6522 states and 18206 transitions. [2022-01-18 01:02:40,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:40,494 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:40,494 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:40,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 01:02:40,494 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:40,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:40,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2082043219, now seen corresponding path program 6 times [2022-01-18 01:02:40,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:40,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336272715] [2022-01-18 01:02:40,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:40,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:40,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:40,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336272715] [2022-01-18 01:02:40,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336272715] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:40,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:40,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:40,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839891187] [2022-01-18 01:02:40,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:40,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:40,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:40,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:40,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:40,566 INFO L87 Difference]: Start difference. First operand 6522 states and 18206 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:40,786 INFO L93 Difference]: Finished difference Result 7463 states and 20694 transitions. [2022-01-18 01:02:40,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:40,786 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:40,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:40,800 INFO L225 Difference]: With dead ends: 7463 [2022-01-18 01:02:40,800 INFO L226 Difference]: Without dead ends: 7188 [2022-01-18 01:02:40,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:40,801 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 106 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:40,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 1874 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7188 states. [2022-01-18 01:02:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7188 to 6510. [2022-01-18 01:02:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6510 states, 6509 states have (on average 2.793209402365955) internal successors, (18181), 6509 states have internal predecessors, (18181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6510 states to 6510 states and 18181 transitions. [2022-01-18 01:02:40,910 INFO L78 Accepts]: Start accepts. Automaton has 6510 states and 18181 transitions. Word has length 91 [2022-01-18 01:02:40,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:40,910 INFO L470 AbstractCegarLoop]: Abstraction has 6510 states and 18181 transitions. [2022-01-18 01:02:40,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 6510 states and 18181 transitions. [2022-01-18 01:02:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:40,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:40,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:40,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 01:02:40,921 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2000597709, now seen corresponding path program 7 times [2022-01-18 01:02:40,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:40,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784098490] [2022-01-18 01:02:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:40,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:40,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:40,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784098490] [2022-01-18 01:02:40,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784098490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:40,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:40,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:40,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14990387] [2022-01-18 01:02:40,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:40,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:40,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:40,980 INFO L87 Difference]: Start difference. First operand 6510 states and 18181 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:41,175 INFO L93 Difference]: Finished difference Result 9609 states and 26304 transitions. [2022-01-18 01:02:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 01:02:41,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:41,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:41,191 INFO L225 Difference]: With dead ends: 9609 [2022-01-18 01:02:41,192 INFO L226 Difference]: Without dead ends: 9161 [2022-01-18 01:02:41,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:41,193 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 510 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:41,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [510 Valid, 2192 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9161 states. [2022-01-18 01:02:41,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9161 to 6692. [2022-01-18 01:02:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 6691 states have (on average 2.7921088028695262) internal successors, (18682), 6691 states have internal predecessors, (18682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 18682 transitions. [2022-01-18 01:02:41,318 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 18682 transitions. Word has length 91 [2022-01-18 01:02:41,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:41,319 INFO L470 AbstractCegarLoop]: Abstraction has 6692 states and 18682 transitions. [2022-01-18 01:02:41,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 18682 transitions. [2022-01-18 01:02:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:41,330 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:41,330 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:41,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 01:02:41,330 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:41,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:41,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1572183189, now seen corresponding path program 1 times [2022-01-18 01:02:41,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:41,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340926992] [2022-01-18 01:02:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:41,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:41,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:41,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340926992] [2022-01-18 01:02:41,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340926992] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:41,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:41,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 01:02:41,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258303093] [2022-01-18 01:02:41,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:41,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 01:02:41,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:41,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 01:02:41,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:41,347 INFO L87 Difference]: Start difference. First operand 6692 states and 18682 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:41,382 INFO L93 Difference]: Finished difference Result 9132 states and 24899 transitions. [2022-01-18 01:02:41,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 01:02:41,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:41,398 INFO L225 Difference]: With dead ends: 9132 [2022-01-18 01:02:41,398 INFO L226 Difference]: Without dead ends: 9089 [2022-01-18 01:02:41,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:41,399 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 112 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:41,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 328 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9089 states. [2022-01-18 01:02:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9089 to 6838. [2022-01-18 01:02:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6838 states, 6837 states have (on average 2.7703671200819073) internal successors, (18941), 6837 states have internal predecessors, (18941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6838 states to 6838 states and 18941 transitions. [2022-01-18 01:02:41,555 INFO L78 Accepts]: Start accepts. Automaton has 6838 states and 18941 transitions. Word has length 91 [2022-01-18 01:02:41,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:41,555 INFO L470 AbstractCegarLoop]: Abstraction has 6838 states and 18941 transitions. [2022-01-18 01:02:41,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 6838 states and 18941 transitions. [2022-01-18 01:02:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:41,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:41,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:41,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 01:02:41,567 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:41,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:41,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1923734219, now seen corresponding path program 1 times [2022-01-18 01:02:41,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:41,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280266744] [2022-01-18 01:02:41,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:41,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:41,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:41,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280266744] [2022-01-18 01:02:41,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280266744] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:41,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:41,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 01:02:41,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102136502] [2022-01-18 01:02:41,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:41,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 01:02:41,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:41,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 01:02:41,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:41,584 INFO L87 Difference]: Start difference. First operand 6838 states and 18941 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:41,622 INFO L93 Difference]: Finished difference Result 9309 states and 25233 transitions. [2022-01-18 01:02:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 01:02:41,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:41,638 INFO L225 Difference]: With dead ends: 9309 [2022-01-18 01:02:41,638 INFO L226 Difference]: Without dead ends: 9122 [2022-01-18 01:02:41,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:41,639 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 118 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:41,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 324 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:41,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9122 states. [2022-01-18 01:02:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9122 to 6836. [2022-01-18 01:02:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6836 states, 6835 states have (on average 2.7678127286027796) internal successors, (18918), 6835 states have internal predecessors, (18918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6836 states to 6836 states and 18918 transitions. [2022-01-18 01:02:41,781 INFO L78 Accepts]: Start accepts. Automaton has 6836 states and 18918 transitions. Word has length 91 [2022-01-18 01:02:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:41,781 INFO L470 AbstractCegarLoop]: Abstraction has 6836 states and 18918 transitions. [2022-01-18 01:02:41,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 6836 states and 18918 transitions. [2022-01-18 01:02:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:41,791 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:41,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:41,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 01:02:41,792 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:41,792 INFO L85 PathProgramCache]: Analyzing trace with hash 622771421, now seen corresponding path program 1 times [2022-01-18 01:02:41,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:41,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386572850] [2022-01-18 01:02:41,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:41,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:41,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:41,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386572850] [2022-01-18 01:02:41,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386572850] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:41,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:41,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 01:02:41,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162097354] [2022-01-18 01:02:41,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:41,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 01:02:41,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:41,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 01:02:41,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:41,808 INFO L87 Difference]: Start difference. First operand 6836 states and 18918 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:41,839 INFO L93 Difference]: Finished difference Result 6570 states and 17521 transitions. [2022-01-18 01:02:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 01:02:41,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:41,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:41,849 INFO L225 Difference]: With dead ends: 6570 [2022-01-18 01:02:41,849 INFO L226 Difference]: Without dead ends: 6570 [2022-01-18 01:02:41,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:41,849 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 95 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:41,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 253 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6570 states. [2022-01-18 01:02:41,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6570 to 6205. [2022-01-18 01:02:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 6204 states have (on average 2.6832688588007736) internal successors, (16647), 6204 states have internal predecessors, (16647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 16647 transitions. [2022-01-18 01:02:41,965 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 16647 transitions. Word has length 91 [2022-01-18 01:02:41,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:41,965 INFO L470 AbstractCegarLoop]: Abstraction has 6205 states and 16647 transitions. [2022-01-18 01:02:41,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 16647 transitions. [2022-01-18 01:02:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:41,974 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:41,974 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:41,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 01:02:41,974 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:41,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1752945699, now seen corresponding path program 1 times [2022-01-18 01:02:41,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:41,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124557648] [2022-01-18 01:02:41,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:41,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:42,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:42,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124557648] [2022-01-18 01:02:42,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124557648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:42,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:42,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:42,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947466800] [2022-01-18 01:02:42,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:42,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:42,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:42,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:42,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:42,070 INFO L87 Difference]: Start difference. First operand 6205 states and 16647 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:42,244 INFO L93 Difference]: Finished difference Result 7012 states and 18742 transitions. [2022-01-18 01:02:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:42,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:42,255 INFO L225 Difference]: With dead ends: 7012 [2022-01-18 01:02:42,255 INFO L226 Difference]: Without dead ends: 6752 [2022-01-18 01:02:42,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-01-18 01:02:42,256 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 117 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:42,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 1148 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:42,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6752 states. [2022-01-18 01:02:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6752 to 6217. [2022-01-18 01:02:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6217 states, 6216 states have (on average 2.6827541827541825) internal successors, (16676), 6216 states have internal predecessors, (16676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6217 states to 6217 states and 16676 transitions. [2022-01-18 01:02:42,393 INFO L78 Accepts]: Start accepts. Automaton has 6217 states and 16676 transitions. Word has length 91 [2022-01-18 01:02:42,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:42,393 INFO L470 AbstractCegarLoop]: Abstraction has 6217 states and 16676 transitions. [2022-01-18 01:02:42,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 6217 states and 16676 transitions. [2022-01-18 01:02:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:42,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:42,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:42,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 01:02:42,401 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:42,402 INFO L85 PathProgramCache]: Analyzing trace with hash 373173125, now seen corresponding path program 2 times [2022-01-18 01:02:42,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:42,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358719064] [2022-01-18 01:02:42,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:42,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:42,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:42,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358719064] [2022-01-18 01:02:42,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358719064] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:42,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:42,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:42,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703800330] [2022-01-18 01:02:42,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:42,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:42,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:42,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:42,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:42,480 INFO L87 Difference]: Start difference. First operand 6217 states and 16676 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:42,677 INFO L93 Difference]: Finished difference Result 6982 states and 18664 transitions. [2022-01-18 01:02:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:42,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:42,686 INFO L225 Difference]: With dead ends: 6982 [2022-01-18 01:02:42,686 INFO L226 Difference]: Without dead ends: 6721 [2022-01-18 01:02:42,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2022-01-18 01:02:42,687 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 105 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:42,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 1535 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:42,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6721 states. [2022-01-18 01:02:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 6213. [2022-01-18 01:02:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6213 states, 6212 states have (on average 2.6827108821635544) internal successors, (16665), 6212 states have internal predecessors, (16665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 16665 transitions. [2022-01-18 01:02:42,775 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 16665 transitions. Word has length 91 [2022-01-18 01:02:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:42,775 INFO L470 AbstractCegarLoop]: Abstraction has 6213 states and 16665 transitions. [2022-01-18 01:02:42,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 16665 transitions. [2022-01-18 01:02:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:42,783 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:42,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:42,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 01:02:42,783 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:42,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash -373819413, now seen corresponding path program 3 times [2022-01-18 01:02:42,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:42,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133771584] [2022-01-18 01:02:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:42,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:42,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:42,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133771584] [2022-01-18 01:02:42,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133771584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:42,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:42,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:42,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203549127] [2022-01-18 01:02:42,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:42,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:42,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:42,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:42,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:42,854 INFO L87 Difference]: Start difference. First operand 6213 states and 16665 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:43,034 INFO L93 Difference]: Finished difference Result 7034 states and 18791 transitions. [2022-01-18 01:02:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 01:02:43,035 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:43,043 INFO L225 Difference]: With dead ends: 7034 [2022-01-18 01:02:43,044 INFO L226 Difference]: Without dead ends: 6745 [2022-01-18 01:02:43,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2022-01-18 01:02:43,044 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 142 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:43,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 1384 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:43,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6745 states. [2022-01-18 01:02:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6745 to 6209. [2022-01-18 01:02:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6209 states, 6208 states have (on average 2.682667525773196) internal successors, (16654), 6208 states have internal predecessors, (16654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6209 states to 6209 states and 16654 transitions. [2022-01-18 01:02:43,126 INFO L78 Accepts]: Start accepts. Automaton has 6209 states and 16654 transitions. Word has length 91 [2022-01-18 01:02:43,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:43,126 INFO L470 AbstractCegarLoop]: Abstraction has 6209 states and 16654 transitions. [2022-01-18 01:02:43,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 6209 states and 16654 transitions. [2022-01-18 01:02:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:43,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:43,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:43,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 01:02:43,134 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:43,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:43,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1638310291, now seen corresponding path program 4 times [2022-01-18 01:02:43,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:43,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116308233] [2022-01-18 01:02:43,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:43,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:43,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:43,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116308233] [2022-01-18 01:02:43,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116308233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:43,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:43,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:43,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052522187] [2022-01-18 01:02:43,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:43,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:43,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:43,207 INFO L87 Difference]: Start difference. First operand 6209 states and 16654 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:43,427 INFO L93 Difference]: Finished difference Result 7132 states and 19043 transitions. [2022-01-18 01:02:43,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 01:02:43,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:43,436 INFO L225 Difference]: With dead ends: 7132 [2022-01-18 01:02:43,436 INFO L226 Difference]: Without dead ends: 6841 [2022-01-18 01:02:43,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-01-18 01:02:43,437 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 166 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:43,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 1899 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:43,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6841 states. [2022-01-18 01:02:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6841 to 6213. [2022-01-18 01:02:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6213 states, 6212 states have (on average 2.6820669671603348) internal successors, (16661), 6212 states have internal predecessors, (16661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 16661 transitions. [2022-01-18 01:02:43,531 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 16661 transitions. Word has length 91 [2022-01-18 01:02:43,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:43,532 INFO L470 AbstractCegarLoop]: Abstraction has 6213 states and 16661 transitions. [2022-01-18 01:02:43,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 16661 transitions. [2022-01-18 01:02:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:43,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:43,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:43,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 01:02:43,540 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:43,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:43,540 INFO L85 PathProgramCache]: Analyzing trace with hash 240079225, now seen corresponding path program 5 times [2022-01-18 01:02:43,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:43,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696541440] [2022-01-18 01:02:43,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:43,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:43,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:43,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696541440] [2022-01-18 01:02:43,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696541440] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:43,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:43,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:43,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328402285] [2022-01-18 01:02:43,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:43,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:43,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:43,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:43,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:43,628 INFO L87 Difference]: Start difference. First operand 6213 states and 16661 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:43,833 INFO L93 Difference]: Finished difference Result 7016 states and 18745 transitions. [2022-01-18 01:02:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:43,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:43,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:43,844 INFO L225 Difference]: With dead ends: 7016 [2022-01-18 01:02:43,844 INFO L226 Difference]: Without dead ends: 6756 [2022-01-18 01:02:43,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:43,845 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 118 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:43,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 1853 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2022-01-18 01:02:43,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6217. [2022-01-18 01:02:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6217 states, 6216 states have (on average 2.6814671814671813) internal successors, (16668), 6216 states have internal predecessors, (16668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6217 states to 6217 states and 16668 transitions. [2022-01-18 01:02:43,941 INFO L78 Accepts]: Start accepts. Automaton has 6217 states and 16668 transitions. Word has length 91 [2022-01-18 01:02:43,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:43,941 INFO L470 AbstractCegarLoop]: Abstraction has 6217 states and 16668 transitions. [2022-01-18 01:02:43,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 6217 states and 16668 transitions. [2022-01-18 01:02:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:43,950 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:43,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:43,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 01:02:43,950 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1928769247, now seen corresponding path program 6 times [2022-01-18 01:02:43,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:43,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844649935] [2022-01-18 01:02:43,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:43,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:44,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:44,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844649935] [2022-01-18 01:02:44,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844649935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:44,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:44,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:44,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507750976] [2022-01-18 01:02:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:44,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:44,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:44,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:44,025 INFO L87 Difference]: Start difference. First operand 6217 states and 16668 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:44,243 INFO L93 Difference]: Finished difference Result 6962 states and 18601 transitions. [2022-01-18 01:02:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:44,243 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:44,254 INFO L225 Difference]: With dead ends: 6962 [2022-01-18 01:02:44,254 INFO L226 Difference]: Without dead ends: 6693 [2022-01-18 01:02:44,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:44,254 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 102 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:44,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1815 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6693 states. [2022-01-18 01:02:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6693 to 6205. [2022-01-18 01:02:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 6204 states have (on average 2.6826241134751774) internal successors, (16643), 6204 states have internal predecessors, (16643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 16643 transitions. [2022-01-18 01:02:44,344 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 16643 transitions. Word has length 91 [2022-01-18 01:02:44,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:44,345 INFO L470 AbstractCegarLoop]: Abstraction has 6205 states and 16643 transitions. [2022-01-18 01:02:44,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 16643 transitions. [2022-01-18 01:02:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:44,353 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:44,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:44,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 01:02:44,353 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:44,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:44,353 INFO L85 PathProgramCache]: Analyzing trace with hash -249019585, now seen corresponding path program 7 times [2022-01-18 01:02:44,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:44,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704639741] [2022-01-18 01:02:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:44,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:44,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:44,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704639741] [2022-01-18 01:02:44,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704639741] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:44,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:44,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:44,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813059420] [2022-01-18 01:02:44,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:44,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:44,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:44,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:44,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:44,433 INFO L87 Difference]: Start difference. First operand 6205 states and 16643 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:44,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:44,688 INFO L93 Difference]: Finished difference Result 7704 states and 20375 transitions. [2022-01-18 01:02:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 01:02:44,689 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:44,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:44,699 INFO L225 Difference]: With dead ends: 7704 [2022-01-18 01:02:44,699 INFO L226 Difference]: Without dead ends: 7278 [2022-01-18 01:02:44,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2022-01-18 01:02:44,700 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 363 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:44,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 2179 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:44,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7278 states. [2022-01-18 01:02:44,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7278 to 6105. [2022-01-18 01:02:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6105 states, 6104 states have (on average 2.686762778505898) internal successors, (16400), 6104 states have internal predecessors, (16400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6105 states to 6105 states and 16400 transitions. [2022-01-18 01:02:44,786 INFO L78 Accepts]: Start accepts. Automaton has 6105 states and 16400 transitions. Word has length 91 [2022-01-18 01:02:44,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:44,787 INFO L470 AbstractCegarLoop]: Abstraction has 6105 states and 16400 transitions. [2022-01-18 01:02:44,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 6105 states and 16400 transitions. [2022-01-18 01:02:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:44,794 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:44,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:44,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 01:02:44,794 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1585866057, now seen corresponding path program 8 times [2022-01-18 01:02:44,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265597978] [2022-01-18 01:02:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:44,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:44,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:44,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265597978] [2022-01-18 01:02:44,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265597978] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:44,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:44,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:44,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272747008] [2022-01-18 01:02:44,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:44,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:44,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:44,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:44,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:44,871 INFO L87 Difference]: Start difference. First operand 6105 states and 16400 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:45,106 INFO L93 Difference]: Finished difference Result 6956 states and 18591 transitions. [2022-01-18 01:02:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 01:02:45,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:45,116 INFO L225 Difference]: With dead ends: 6956 [2022-01-18 01:02:45,116 INFO L226 Difference]: Without dead ends: 6665 [2022-01-18 01:02:45,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:45,117 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 198 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:45,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 2150 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:45,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6665 states. [2022-01-18 01:02:45,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6665 to 6109. [2022-01-18 01:02:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6109 states, 6108 states have (on average 2.68614931237721) internal successors, (16407), 6108 states have internal predecessors, (16407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6109 states to 6109 states and 16407 transitions. [2022-01-18 01:02:45,201 INFO L78 Accepts]: Start accepts. Automaton has 6109 states and 16407 transitions. Word has length 91 [2022-01-18 01:02:45,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:45,201 INFO L470 AbstractCegarLoop]: Abstraction has 6109 states and 16407 transitions. [2022-01-18 01:02:45,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 6109 states and 16407 transitions. [2022-01-18 01:02:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:45,208 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:45,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:45,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 01:02:45,209 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:45,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:45,209 INFO L85 PathProgramCache]: Analyzing trace with hash 292523459, now seen corresponding path program 9 times [2022-01-18 01:02:45,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:45,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239370975] [2022-01-18 01:02:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:45,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:45,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:45,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239370975] [2022-01-18 01:02:45,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239370975] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:45,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:45,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:45,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399676938] [2022-01-18 01:02:45,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:45,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:45,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:45,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:45,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:45,277 INFO L87 Difference]: Start difference. First operand 6109 states and 16407 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:45,485 INFO L93 Difference]: Finished difference Result 6840 states and 18293 transitions. [2022-01-18 01:02:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:45,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:45,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:45,495 INFO L225 Difference]: With dead ends: 6840 [2022-01-18 01:02:45,495 INFO L226 Difference]: Without dead ends: 6580 [2022-01-18 01:02:45,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:45,496 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 148 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:45,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 2092 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6580 states. [2022-01-18 01:02:45,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6580 to 6113. [2022-01-18 01:02:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6113 states, 6112 states have (on average 2.6855366492146597) internal successors, (16414), 6112 states have internal predecessors, (16414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6113 states to 6113 states and 16414 transitions. [2022-01-18 01:02:45,582 INFO L78 Accepts]: Start accepts. Automaton has 6113 states and 16414 transitions. Word has length 91 [2022-01-18 01:02:45,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:45,583 INFO L470 AbstractCegarLoop]: Abstraction has 6113 states and 16414 transitions. [2022-01-18 01:02:45,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6113 states and 16414 transitions. [2022-01-18 01:02:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:45,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:45,590 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:45,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 01:02:45,590 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:45,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:45,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1876325013, now seen corresponding path program 10 times [2022-01-18 01:02:45,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:45,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135613503] [2022-01-18 01:02:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:45,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:45,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:45,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135613503] [2022-01-18 01:02:45,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135613503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:45,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:45,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:45,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787722997] [2022-01-18 01:02:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:45,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:45,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:45,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:45,661 INFO L87 Difference]: Start difference. First operand 6113 states and 16414 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:45,835 INFO L93 Difference]: Finished difference Result 6786 states and 18149 transitions. [2022-01-18 01:02:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 01:02:45,836 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:45,844 INFO L225 Difference]: With dead ends: 6786 [2022-01-18 01:02:45,845 INFO L226 Difference]: Without dead ends: 6485 [2022-01-18 01:02:45,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:45,845 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 136 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:45,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 1650 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:45,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6485 states. [2022-01-18 01:02:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6485 to 6069. [2022-01-18 01:02:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6069 states, 6068 states have (on average 2.688529993408042) internal successors, (16314), 6068 states have internal predecessors, (16314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6069 states to 6069 states and 16314 transitions. [2022-01-18 01:02:45,956 INFO L78 Accepts]: Start accepts. Automaton has 6069 states and 16314 transitions. Word has length 91 [2022-01-18 01:02:45,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:45,956 INFO L470 AbstractCegarLoop]: Abstraction has 6069 states and 16314 transitions. [2022-01-18 01:02:45,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 6069 states and 16314 transitions. [2022-01-18 01:02:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:45,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:45,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:45,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 01:02:45,963 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:45,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:45,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1406793127, now seen corresponding path program 11 times [2022-01-18 01:02:45,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:45,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172623432] [2022-01-18 01:02:45,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:45,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:46,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:46,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172623432] [2022-01-18 01:02:46,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172623432] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:46,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:46,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:46,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350674266] [2022-01-18 01:02:46,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:46,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:46,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:46,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:46,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:46,042 INFO L87 Difference]: Start difference. First operand 6069 states and 16314 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:46,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:46,221 INFO L93 Difference]: Finished difference Result 7195 states and 19271 transitions. [2022-01-18 01:02:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:46,221 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:46,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:46,234 INFO L225 Difference]: With dead ends: 7195 [2022-01-18 01:02:46,234 INFO L226 Difference]: Without dead ends: 6935 [2022-01-18 01:02:46,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:46,234 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 134 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:46,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 1316 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:46,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2022-01-18 01:02:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6089. [2022-01-18 01:02:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6089 states, 6088 states have (on average 2.6880749014454666) internal successors, (16365), 6088 states have internal predecessors, (16365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6089 states to 6089 states and 16365 transitions. [2022-01-18 01:02:46,322 INFO L78 Accepts]: Start accepts. Automaton has 6089 states and 16365 transitions. Word has length 91 [2022-01-18 01:02:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:46,322 INFO L470 AbstractCegarLoop]: Abstraction has 6089 states and 16365 transitions. [2022-01-18 01:02:46,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 16365 transitions. [2022-01-18 01:02:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:46,328 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:46,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:46,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 01:02:46,329 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:46,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:46,329 INFO L85 PathProgramCache]: Analyzing trace with hash -762055345, now seen corresponding path program 12 times [2022-01-18 01:02:46,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:46,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293437470] [2022-01-18 01:02:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:46,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:46,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:46,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293437470] [2022-01-18 01:02:46,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293437470] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:46,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:46,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:46,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845461246] [2022-01-18 01:02:46,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:46,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:46,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:46,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:46,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:46,426 INFO L87 Difference]: Start difference. First operand 6089 states and 16365 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:46,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:46,609 INFO L93 Difference]: Finished difference Result 7165 states and 19193 transitions. [2022-01-18 01:02:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:46,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:46,620 INFO L225 Difference]: With dead ends: 7165 [2022-01-18 01:02:46,620 INFO L226 Difference]: Without dead ends: 6904 [2022-01-18 01:02:46,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:46,621 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 119 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:46,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 1309 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6904 states. [2022-01-18 01:02:46,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6904 to 6085. [2022-01-18 01:02:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6085 states, 6084 states have (on average 2.6880341880341883) internal successors, (16354), 6084 states have internal predecessors, (16354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6085 states to 6085 states and 16354 transitions. [2022-01-18 01:02:46,710 INFO L78 Accepts]: Start accepts. Automaton has 6085 states and 16354 transitions. Word has length 91 [2022-01-18 01:02:46,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:46,710 INFO L470 AbstractCegarLoop]: Abstraction has 6085 states and 16354 transitions. [2022-01-18 01:02:46,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6085 states and 16354 transitions. [2022-01-18 01:02:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:46,717 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:46,718 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:46,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 01:02:46,718 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:46,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:46,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1509047883, now seen corresponding path program 13 times [2022-01-18 01:02:46,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:46,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537779058] [2022-01-18 01:02:46,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:46,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:46,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:46,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537779058] [2022-01-18 01:02:46,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537779058] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:46,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:46,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:46,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872266036] [2022-01-18 01:02:46,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:46,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:46,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:46,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:46,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:46,797 INFO L87 Difference]: Start difference. First operand 6085 states and 16354 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:47,016 INFO L93 Difference]: Finished difference Result 7249 states and 19408 transitions. [2022-01-18 01:02:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 01:02:47,016 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:47,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:47,026 INFO L225 Difference]: With dead ends: 7249 [2022-01-18 01:02:47,027 INFO L226 Difference]: Without dead ends: 6960 [2022-01-18 01:02:47,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-01-18 01:02:47,027 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 154 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:47,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 1870 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:47,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6960 states. [2022-01-18 01:02:47,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6960 to 6081. [2022-01-18 01:02:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 2.6879934210526315) internal successors, (16343), 6080 states have internal predecessors, (16343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 16343 transitions. [2022-01-18 01:02:47,107 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 16343 transitions. Word has length 91 [2022-01-18 01:02:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:47,107 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 16343 transitions. [2022-01-18 01:02:47,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 16343 transitions. [2022-01-18 01:02:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:47,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:47,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:47,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 01:02:47,114 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:47,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1521428535, now seen corresponding path program 14 times [2022-01-18 01:02:47,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:47,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003636034] [2022-01-18 01:02:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:47,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:47,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:47,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003636034] [2022-01-18 01:02:47,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003636034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:47,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:47,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:47,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482077317] [2022-01-18 01:02:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:47,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:47,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:47,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:47,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:47,181 INFO L87 Difference]: Start difference. First operand 6081 states and 16343 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:47,390 INFO L93 Difference]: Finished difference Result 7239 states and 19363 transitions. [2022-01-18 01:02:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 01:02:47,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:47,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:47,402 INFO L225 Difference]: With dead ends: 7239 [2022-01-18 01:02:47,402 INFO L226 Difference]: Without dead ends: 6948 [2022-01-18 01:02:47,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-01-18 01:02:47,403 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 175 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:47,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 1427 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:47,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6948 states. [2022-01-18 01:02:47,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6948 to 6085. [2022-01-18 01:02:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6085 states, 6084 states have (on average 2.687376725838264) internal successors, (16350), 6084 states have internal predecessors, (16350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6085 states to 6085 states and 16350 transitions. [2022-01-18 01:02:47,523 INFO L78 Accepts]: Start accepts. Automaton has 6085 states and 16350 transitions. Word has length 91 [2022-01-18 01:02:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:47,523 INFO L470 AbstractCegarLoop]: Abstraction has 6085 states and 16350 transitions. [2022-01-18 01:02:47,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6085 states and 16350 transitions. [2022-01-18 01:02:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:47,531 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:47,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:47,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 01:02:47,531 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:47,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash -895149245, now seen corresponding path program 15 times [2022-01-18 01:02:47,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:47,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040755453] [2022-01-18 01:02:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:47,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:47,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:47,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040755453] [2022-01-18 01:02:47,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040755453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:47,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:47,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:47,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444998312] [2022-01-18 01:02:47,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:47,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:47,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:47,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:47,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:47,612 INFO L87 Difference]: Start difference. First operand 6085 states and 16350 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:47,808 INFO L93 Difference]: Finished difference Result 7155 states and 19153 transitions. [2022-01-18 01:02:47,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:47,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:47,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:47,820 INFO L225 Difference]: With dead ends: 7155 [2022-01-18 01:02:47,820 INFO L226 Difference]: Without dead ends: 6895 [2022-01-18 01:02:47,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:47,821 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 149 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:47,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 1149 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:47,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6895 states. [2022-01-18 01:02:47,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6895 to 6089. [2022-01-18 01:02:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6089 states, 6088 states have (on average 2.686760840998686) internal successors, (16357), 6088 states have internal predecessors, (16357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6089 states to 6089 states and 16357 transitions. [2022-01-18 01:02:47,916 INFO L78 Accepts]: Start accepts. Automaton has 6089 states and 16357 transitions. Word has length 91 [2022-01-18 01:02:47,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:47,916 INFO L470 AbstractCegarLoop]: Abstraction has 6089 states and 16357 transitions. [2022-01-18 01:02:47,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 16357 transitions. [2022-01-18 01:02:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:47,924 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:47,924 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:47,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 01:02:47,924 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:47,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1230969579, now seen corresponding path program 16 times [2022-01-18 01:02:47,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:47,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113683561] [2022-01-18 01:02:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:47,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:48,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:48,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113683561] [2022-01-18 01:02:48,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113683561] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:48,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:48,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:48,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52164315] [2022-01-18 01:02:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:48,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:48,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:48,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:48,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:48,010 INFO L87 Difference]: Start difference. First operand 6089 states and 16357 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:48,195 INFO L93 Difference]: Finished difference Result 7117 states and 19053 transitions. [2022-01-18 01:02:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:48,196 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:48,207 INFO L225 Difference]: With dead ends: 7117 [2022-01-18 01:02:48,208 INFO L226 Difference]: Without dead ends: 6848 [2022-01-18 01:02:48,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-01-18 01:02:48,208 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 117 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:48,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 1154 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6848 states. [2022-01-18 01:02:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6848 to 6077. [2022-01-18 01:02:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6077 states, 6076 states have (on average 2.6879526003949965) internal successors, (16332), 6076 states have internal predecessors, (16332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6077 states to 6077 states and 16332 transitions. [2022-01-18 01:02:48,304 INFO L78 Accepts]: Start accepts. Automaton has 6077 states and 16332 transitions. Word has length 91 [2022-01-18 01:02:48,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:48,304 INFO L470 AbstractCegarLoop]: Abstraction has 6077 states and 16332 transitions. [2022-01-18 01:02:48,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6077 states and 16332 transitions. [2022-01-18 01:02:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:48,311 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:48,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:48,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 01:02:48,312 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:48,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1849223639, now seen corresponding path program 17 times [2022-01-18 01:02:48,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:48,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045288817] [2022-01-18 01:02:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:48,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:48,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:48,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045288817] [2022-01-18 01:02:48,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045288817] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:48,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:48,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:48,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946446337] [2022-01-18 01:02:48,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:48,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:48,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:48,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:48,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:48,406 INFO L87 Difference]: Start difference. First operand 6077 states and 16332 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:48,580 INFO L93 Difference]: Finished difference Result 7099 states and 19003 transitions. [2022-01-18 01:02:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 01:02:48,580 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:48,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:48,591 INFO L225 Difference]: With dead ends: 7099 [2022-01-18 01:02:48,591 INFO L226 Difference]: Without dead ends: 6839 [2022-01-18 01:02:48,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:48,591 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 183 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:48,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 1610 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:48,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2022-01-18 01:02:48,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6093. [2022-01-18 01:02:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6093 states, 6092 states have (on average 2.687458962573867) internal successors, (16372), 6092 states have internal predecessors, (16372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6093 states to 6093 states and 16372 transitions. [2022-01-18 01:02:48,673 INFO L78 Accepts]: Start accepts. Automaton has 6093 states and 16372 transitions. Word has length 91 [2022-01-18 01:02:48,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:48,674 INFO L470 AbstractCegarLoop]: Abstraction has 6093 states and 16372 transitions. [2022-01-18 01:02:48,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 16372 transitions. [2022-01-18 01:02:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:48,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:48,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:48,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 01:02:48,681 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:48,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:48,681 INFO L85 PathProgramCache]: Analyzing trace with hash 276895185, now seen corresponding path program 18 times [2022-01-18 01:02:48,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:48,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092873076] [2022-01-18 01:02:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:48,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:48,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:48,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092873076] [2022-01-18 01:02:48,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092873076] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:48,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:48,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:48,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793515081] [2022-01-18 01:02:48,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:48,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:48,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:48,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:48,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:48,752 INFO L87 Difference]: Start difference. First operand 6093 states and 16372 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:48,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:48,939 INFO L93 Difference]: Finished difference Result 7073 states and 18936 transitions. [2022-01-18 01:02:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:48,940 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:48,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:48,949 INFO L225 Difference]: With dead ends: 7073 [2022-01-18 01:02:48,949 INFO L226 Difference]: Without dead ends: 6812 [2022-01-18 01:02:48,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-01-18 01:02:48,950 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 189 mSDsluCounter, 1565 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:48,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 1774 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:48,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6812 states. [2022-01-18 01:02:49,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 6089. [2022-01-18 01:02:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6089 states, 6088 states have (on average 2.687417871222076) internal successors, (16361), 6088 states have internal predecessors, (16361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6089 states to 6089 states and 16361 transitions. [2022-01-18 01:02:49,023 INFO L78 Accepts]: Start accepts. Automaton has 6089 states and 16361 transitions. Word has length 91 [2022-01-18 01:02:49,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:49,023 INFO L470 AbstractCegarLoop]: Abstraction has 6089 states and 16361 transitions. [2022-01-18 01:02:49,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 16361 transitions. [2022-01-18 01:02:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:49,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:49,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:49,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 01:02:49,030 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash -470097353, now seen corresponding path program 19 times [2022-01-18 01:02:49,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:49,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414323010] [2022-01-18 01:02:49,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:49,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:49,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:49,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414323010] [2022-01-18 01:02:49,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414323010] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:49,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:49,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:49,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516761658] [2022-01-18 01:02:49,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:49,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:49,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:49,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:49,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:49,103 INFO L87 Difference]: Start difference. First operand 6089 states and 16361 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:49,323 INFO L93 Difference]: Finished difference Result 7097 states and 18998 transitions. [2022-01-18 01:02:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 01:02:49,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:49,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:49,332 INFO L225 Difference]: With dead ends: 7097 [2022-01-18 01:02:49,332 INFO L226 Difference]: Without dead ends: 6808 [2022-01-18 01:02:49,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:02:49,333 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 231 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:49,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 1594 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:49,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6808 states. [2022-01-18 01:02:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6808 to 6085. [2022-01-18 01:02:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6085 states, 6084 states have (on average 2.687376725838264) internal successors, (16350), 6084 states have internal predecessors, (16350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6085 states to 6085 states and 16350 transitions. [2022-01-18 01:02:49,403 INFO L78 Accepts]: Start accepts. Automaton has 6085 states and 16350 transitions. Word has length 91 [2022-01-18 01:02:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:49,403 INFO L470 AbstractCegarLoop]: Abstraction has 6085 states and 16350 transitions. [2022-01-18 01:02:49,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6085 states and 16350 transitions. [2022-01-18 01:02:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:49,410 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:49,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:49,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 01:02:49,410 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:49,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:49,410 INFO L85 PathProgramCache]: Analyzing trace with hash -213851739, now seen corresponding path program 20 times [2022-01-18 01:02:49,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:49,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572557496] [2022-01-18 01:02:49,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:49,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:49,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:49,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572557496] [2022-01-18 01:02:49,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572557496] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:49,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:49,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:49,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109487244] [2022-01-18 01:02:49,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:49,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:49,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:49,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:49,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:49,494 INFO L87 Difference]: Start difference. First operand 6085 states and 16350 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:49,716 INFO L93 Difference]: Finished difference Result 7662 states and 20347 transitions. [2022-01-18 01:02:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 01:02:49,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:49,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:49,726 INFO L225 Difference]: With dead ends: 7662 [2022-01-18 01:02:49,726 INFO L226 Difference]: Without dead ends: 7229 [2022-01-18 01:02:49,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:49,727 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 398 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:49,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [398 Valid, 1441 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7229 states. [2022-01-18 01:02:49,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7229 to 5993. [2022-01-18 01:02:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5993 states, 5992 states have (on average 2.6899198931909214) internal successors, (16118), 5992 states have internal predecessors, (16118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5993 states to 5993 states and 16118 transitions. [2022-01-18 01:02:49,814 INFO L78 Accepts]: Start accepts. Automaton has 5993 states and 16118 transitions. Word has length 91 [2022-01-18 01:02:49,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:49,814 INFO L470 AbstractCegarLoop]: Abstraction has 5993 states and 16118 transitions. [2022-01-18 01:02:49,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5993 states and 16118 transitions. [2022-01-18 01:02:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:49,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:49,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:49,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 01:02:49,820 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash 882655945, now seen corresponding path program 1 times [2022-01-18 01:02:49,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:49,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52282234] [2022-01-18 01:02:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:49,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:49,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:49,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52282234] [2022-01-18 01:02:49,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52282234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:49,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:49,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 01:02:49,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74017788] [2022-01-18 01:02:49,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:49,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 01:02:49,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:49,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 01:02:49,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:49,835 INFO L87 Difference]: Start difference. First operand 5993 states and 16118 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:49,855 INFO L93 Difference]: Finished difference Result 5339 states and 14002 transitions. [2022-01-18 01:02:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 01:02:49,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:49,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:49,861 INFO L225 Difference]: With dead ends: 5339 [2022-01-18 01:02:49,861 INFO L226 Difference]: Without dead ends: 5339 [2022-01-18 01:02:49,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:02:49,862 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 93 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:49,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 190 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2022-01-18 01:02:49,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 5339. [2022-01-18 01:02:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.623079805170476) internal successors, (14002), 5338 states have internal predecessors, (14002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 14002 transitions. [2022-01-18 01:02:49,921 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 14002 transitions. Word has length 91 [2022-01-18 01:02:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:49,921 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 14002 transitions. [2022-01-18 01:02:49,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 14002 transitions. [2022-01-18 01:02:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:49,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:49,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:49,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 01:02:49,926 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:49,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:49,926 INFO L85 PathProgramCache]: Analyzing trace with hash -694011287, now seen corresponding path program 1 times [2022-01-18 01:02:49,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:49,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680192541] [2022-01-18 01:02:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:49,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:50,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:50,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680192541] [2022-01-18 01:02:50,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680192541] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:50,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:50,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:50,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559184958] [2022-01-18 01:02:50,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:50,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:50,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:50,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:50,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:50,004 INFO L87 Difference]: Start difference. First operand 5339 states and 14002 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:50,195 INFO L93 Difference]: Finished difference Result 5930 states and 15498 transitions. [2022-01-18 01:02:50,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 01:02:50,195 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:50,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:50,201 INFO L225 Difference]: With dead ends: 5930 [2022-01-18 01:02:50,201 INFO L226 Difference]: Without dead ends: 5651 [2022-01-18 01:02:50,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-01-18 01:02:50,202 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 129 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:50,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 1433 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:50,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5651 states. [2022-01-18 01:02:50,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5651 to 5347. [2022-01-18 01:02:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5347 states, 5346 states have (on average 2.6225215114104) internal successors, (14020), 5346 states have internal predecessors, (14020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 5347 states and 14020 transitions. [2022-01-18 01:02:50,256 INFO L78 Accepts]: Start accepts. Automaton has 5347 states and 14020 transitions. Word has length 91 [2022-01-18 01:02:50,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:50,257 INFO L470 AbstractCegarLoop]: Abstraction has 5347 states and 14020 transitions. [2022-01-18 01:02:50,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 14020 transitions. [2022-01-18 01:02:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:50,261 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:50,261 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:50,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 01:02:50,262 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:50,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:50,262 INFO L85 PathProgramCache]: Analyzing trace with hash -985717315, now seen corresponding path program 2 times [2022-01-18 01:02:50,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:50,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144323822] [2022-01-18 01:02:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:50,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:50,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:50,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144323822] [2022-01-18 01:02:50,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144323822] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:50,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:50,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:50,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188089451] [2022-01-18 01:02:50,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:50,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:50,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:50,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:50,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:50,339 INFO L87 Difference]: Start difference. First operand 5347 states and 14020 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:50,507 INFO L93 Difference]: Finished difference Result 5864 states and 15324 transitions. [2022-01-18 01:02:50,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:50,507 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:50,513 INFO L225 Difference]: With dead ends: 5864 [2022-01-18 01:02:50,513 INFO L226 Difference]: Without dead ends: 5610 [2022-01-18 01:02:50,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-01-18 01:02:50,514 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 100 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:50,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 1274 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2022-01-18 01:02:50,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 5351. [2022-01-18 01:02:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5351 states, 5350 states have (on average 2.621869158878505) internal successors, (14027), 5350 states have internal predecessors, (14027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 5351 states and 14027 transitions. [2022-01-18 01:02:50,571 INFO L78 Accepts]: Start accepts. Automaton has 5351 states and 14027 transitions. Word has length 91 [2022-01-18 01:02:50,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:50,571 INFO L470 AbstractCegarLoop]: Abstraction has 5351 states and 14027 transitions. [2022-01-18 01:02:50,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 14027 transitions. [2022-01-18 01:02:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:50,576 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:50,576 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:50,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 01:02:50,576 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:50,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1140401509, now seen corresponding path program 3 times [2022-01-18 01:02:50,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:50,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374123076] [2022-01-18 01:02:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:50,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:50,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:50,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374123076] [2022-01-18 01:02:50,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374123076] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:50,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:50,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:50,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134332264] [2022-01-18 01:02:50,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:50,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:50,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:50,669 INFO L87 Difference]: Start difference. First operand 5351 states and 14027 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:50,845 INFO L93 Difference]: Finished difference Result 5826 states and 15224 transitions. [2022-01-18 01:02:50,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:50,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:50,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:50,852 INFO L225 Difference]: With dead ends: 5826 [2022-01-18 01:02:50,852 INFO L226 Difference]: Without dead ends: 5567 [2022-01-18 01:02:50,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:50,853 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 87 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:50,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 1147 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2022-01-18 01:02:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5343. [2022-01-18 01:02:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.6224260576563085) internal successors, (14009), 5342 states have internal predecessors, (14009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 14009 transitions. [2022-01-18 01:02:50,908 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 14009 transitions. Word has length 91 [2022-01-18 01:02:50,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:50,908 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 14009 transitions. [2022-01-18 01:02:50,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 14009 transitions. [2022-01-18 01:02:50,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:50,912 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:50,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:50,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 01:02:50,913 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:50,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:50,913 INFO L85 PathProgramCache]: Analyzing trace with hash 863471305, now seen corresponding path program 4 times [2022-01-18 01:02:50,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:50,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704606127] [2022-01-18 01:02:50,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:50,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:50,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:50,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704606127] [2022-01-18 01:02:50,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704606127] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:50,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:50,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:50,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443899042] [2022-01-18 01:02:50,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:50,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:50,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:50,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:50,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:50,996 INFO L87 Difference]: Start difference. First operand 5343 states and 14009 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:51,192 INFO L93 Difference]: Finished difference Result 5961 states and 15572 transitions. [2022-01-18 01:02:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 01:02:51,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:51,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:51,198 INFO L225 Difference]: With dead ends: 5961 [2022-01-18 01:02:51,198 INFO L226 Difference]: Without dead ends: 5676 [2022-01-18 01:02:51,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-01-18 01:02:51,199 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 137 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:51,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1475 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:51,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5676 states. [2022-01-18 01:02:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5676 to 5347. [2022-01-18 01:02:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5347 states, 5346 states have (on average 2.621773288439955) internal successors, (14016), 5346 states have internal predecessors, (14016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 5347 states and 14016 transitions. [2022-01-18 01:02:51,255 INFO L78 Accepts]: Start accepts. Automaton has 5347 states and 14016 transitions. Word has length 91 [2022-01-18 01:02:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:51,256 INFO L470 AbstractCegarLoop]: Abstraction has 5347 states and 14016 transitions. [2022-01-18 01:02:51,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 14016 transitions. [2022-01-18 01:02:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:51,260 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:51,261 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:51,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 01:02:51,261 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:51,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:51,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1480867477, now seen corresponding path program 5 times [2022-01-18 01:02:51,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:51,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351915215] [2022-01-18 01:02:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:51,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:51,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:51,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351915215] [2022-01-18 01:02:51,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351915215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:51,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:51,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:51,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356748570] [2022-01-18 01:02:51,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:51,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:51,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:51,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:51,335 INFO L87 Difference]: Start difference. First operand 5347 states and 14016 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:51,506 INFO L93 Difference]: Finished difference Result 5872 states and 15342 transitions. [2022-01-18 01:02:51,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:51,506 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:51,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:51,513 INFO L225 Difference]: With dead ends: 5872 [2022-01-18 01:02:51,513 INFO L226 Difference]: Without dead ends: 5618 [2022-01-18 01:02:51,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:51,514 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 98 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:51,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 1445 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2022-01-18 01:02:51,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 5351. [2022-01-18 01:02:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5351 states, 5350 states have (on average 2.621121495327103) internal successors, (14023), 5350 states have internal predecessors, (14023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 5351 states and 14023 transitions. [2022-01-18 01:02:51,574 INFO L78 Accepts]: Start accepts. Automaton has 5351 states and 14023 transitions. Word has length 91 [2022-01-18 01:02:51,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:51,574 INFO L470 AbstractCegarLoop]: Abstraction has 5351 states and 14023 transitions. [2022-01-18 01:02:51,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 14023 transitions. [2022-01-18 01:02:51,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:51,579 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:51,579 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:51,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 01:02:51,579 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:51,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash -687980995, now seen corresponding path program 6 times [2022-01-18 01:02:51,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:51,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014103354] [2022-01-18 01:02:51,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:51,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:51,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:51,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014103354] [2022-01-18 01:02:51,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014103354] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:51,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:51,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:51,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463859377] [2022-01-18 01:02:51,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:51,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:51,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:51,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:51,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:51,655 INFO L87 Difference]: Start difference. First operand 5351 states and 14023 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:51,836 INFO L93 Difference]: Finished difference Result 5826 states and 15220 transitions. [2022-01-18 01:02:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:51,836 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:51,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:51,843 INFO L225 Difference]: With dead ends: 5826 [2022-01-18 01:02:51,843 INFO L226 Difference]: Without dead ends: 5563 [2022-01-18 01:02:51,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:51,844 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 83 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:51,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 1556 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:51,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5563 states. [2022-01-18 01:02:51,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5563 to 5339. [2022-01-18 01:02:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.6223304608467592) internal successors, (13998), 5338 states have internal predecessors, (13998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 13998 transitions. [2022-01-18 01:02:51,920 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 13998 transitions. Word has length 91 [2022-01-18 01:02:51,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:51,920 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 13998 transitions. [2022-01-18 01:02:51,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 13998 transitions. [2022-01-18 01:02:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:51,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:51,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:51,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 01:02:51,926 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1823646655, now seen corresponding path program 7 times [2022-01-18 01:02:51,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:51,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456205119] [2022-01-18 01:02:51,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:51,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:52,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:52,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456205119] [2022-01-18 01:02:52,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456205119] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:52,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:52,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:52,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705699232] [2022-01-18 01:02:52,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:52,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:52,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:52,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:52,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:52,009 INFO L87 Difference]: Start difference. First operand 5339 states and 13998 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:52,219 INFO L93 Difference]: Finished difference Result 5957 states and 15474 transitions. [2022-01-18 01:02:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 01:02:52,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:52,225 INFO L225 Difference]: With dead ends: 5957 [2022-01-18 01:02:52,225 INFO L226 Difference]: Without dead ends: 5537 [2022-01-18 01:02:52,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:52,226 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 241 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:52,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 1240 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2022-01-18 01:02:52,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 5204. [2022-01-18 01:02:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5204 states, 5203 states have (on average 2.6263694022679225) internal successors, (13665), 5203 states have internal predecessors, (13665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 13665 transitions. [2022-01-18 01:02:52,280 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 13665 transitions. Word has length 91 [2022-01-18 01:02:52,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:52,281 INFO L470 AbstractCegarLoop]: Abstraction has 5204 states and 13665 transitions. [2022-01-18 01:02:52,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 13665 transitions. [2022-01-18 01:02:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:52,285 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:52,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:52,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 01:02:52,285 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash 975520439, now seen corresponding path program 8 times [2022-01-18 01:02:52,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:52,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977436077] [2022-01-18 01:02:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:52,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:52,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:52,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977436077] [2022-01-18 01:02:52,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977436077] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:52,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:52,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:52,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524432498] [2022-01-18 01:02:52,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:52,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:52,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:52,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:52,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:52,355 INFO L87 Difference]: Start difference. First operand 5204 states and 13665 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:52,558 INFO L93 Difference]: Finished difference Result 5758 states and 15052 transitions. [2022-01-18 01:02:52,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 01:02:52,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:52,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:52,564 INFO L225 Difference]: With dead ends: 5758 [2022-01-18 01:02:52,564 INFO L226 Difference]: Without dead ends: 5473 [2022-01-18 01:02:52,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2022-01-18 01:02:52,565 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 149 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:52,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 1650 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:52,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2022-01-18 01:02:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5208. [2022-01-18 01:02:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5208 states, 5207 states have (on average 2.6256961782216246) internal successors, (13672), 5207 states have internal predecessors, (13672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 5208 states and 13672 transitions. [2022-01-18 01:02:52,618 INFO L78 Accepts]: Start accepts. Automaton has 5208 states and 13672 transitions. Word has length 91 [2022-01-18 01:02:52,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:52,619 INFO L470 AbstractCegarLoop]: Abstraction has 5208 states and 13672 transitions. [2022-01-18 01:02:52,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 5208 states and 13672 transitions. [2022-01-18 01:02:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:52,623 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:52,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:52,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 01:02:52,623 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:52,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1592916611, now seen corresponding path program 9 times [2022-01-18 01:02:52,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:52,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291616373] [2022-01-18 01:02:52,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:52,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:52,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:52,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291616373] [2022-01-18 01:02:52,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291616373] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:52,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:52,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:52,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351504785] [2022-01-18 01:02:52,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:52,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:52,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:52,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:52,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:52,712 INFO L87 Difference]: Start difference. First operand 5208 states and 13672 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:52,872 INFO L93 Difference]: Finished difference Result 5669 states and 14822 transitions. [2022-01-18 01:02:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:52,872 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:52,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:52,878 INFO L225 Difference]: With dead ends: 5669 [2022-01-18 01:02:52,878 INFO L226 Difference]: Without dead ends: 5415 [2022-01-18 01:02:52,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:52,879 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 102 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:52,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1483 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:52,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2022-01-18 01:02:52,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 5212. [2022-01-18 01:02:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5211 states have (on average 2.625023987718288) internal successors, (13679), 5211 states have internal predecessors, (13679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 13679 transitions. [2022-01-18 01:02:52,932 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 13679 transitions. Word has length 91 [2022-01-18 01:02:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:52,939 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 13679 transitions. [2022-01-18 01:02:52,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:52,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 13679 transitions. [2022-01-18 01:02:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:52,943 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:52,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:52,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 01:02:52,944 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:52,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -575931861, now seen corresponding path program 10 times [2022-01-18 01:02:52,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:52,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042238858] [2022-01-18 01:02:52,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:52,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:53,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:53,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042238858] [2022-01-18 01:02:53,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042238858] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:53,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:53,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:53,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123871365] [2022-01-18 01:02:53,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:53,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:53,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:53,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:53,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:53,026 INFO L87 Difference]: Start difference. First operand 5212 states and 13679 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:53,179 INFO L93 Difference]: Finished difference Result 5623 states and 14700 transitions. [2022-01-18 01:02:53,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 01:02:53,179 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:53,185 INFO L225 Difference]: With dead ends: 5623 [2022-01-18 01:02:53,185 INFO L226 Difference]: Without dead ends: 5328 [2022-01-18 01:02:53,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:53,186 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 88 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:53,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 1283 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:53,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2022-01-18 01:02:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 5168. [2022-01-18 01:02:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5167 states have (on average 2.6280239984517126) internal successors, (13579), 5167 states have internal predecessors, (13579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 13579 transitions. [2022-01-18 01:02:53,239 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 13579 transitions. Word has length 91 [2022-01-18 01:02:53,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:53,239 INFO L470 AbstractCegarLoop]: Abstraction has 5168 states and 13579 transitions. [2022-01-18 01:02:53,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 13579 transitions. [2022-01-18 01:02:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:53,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:53,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:53,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 01:02:53,244 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:53,244 INFO L85 PathProgramCache]: Analyzing trace with hash -886476235, now seen corresponding path program 11 times [2022-01-18 01:02:53,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:53,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913543605] [2022-01-18 01:02:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:53,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:53,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:53,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913543605] [2022-01-18 01:02:53,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913543605] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:53,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:53,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:53,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769558837] [2022-01-18 01:02:53,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:53,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:53,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:53,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:53,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:53,320 INFO L87 Difference]: Start difference. First operand 5168 states and 13579 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:53,496 INFO L93 Difference]: Finished difference Result 5716 states and 14958 transitions. [2022-01-18 01:02:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-18 01:02:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:53,503 INFO L225 Difference]: With dead ends: 5716 [2022-01-18 01:02:53,503 INFO L226 Difference]: Without dead ends: 5437 [2022-01-18 01:02:53,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:02:53,504 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 147 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:53,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 1076 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5437 states. [2022-01-18 01:02:53,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5437 to 5172. [2022-01-18 01:02:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5172 states, 5171 states have (on average 2.6273448075807386) internal successors, (13586), 5171 states have internal predecessors, (13586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5172 states to 5172 states and 13586 transitions. [2022-01-18 01:02:53,560 INFO L78 Accepts]: Start accepts. Automaton has 5172 states and 13586 transitions. Word has length 91 [2022-01-18 01:02:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:53,560 INFO L470 AbstractCegarLoop]: Abstraction has 5172 states and 13586 transitions. [2022-01-18 01:02:53,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5172 states and 13586 transitions. [2022-01-18 01:02:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:53,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:53,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:53,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 01:02:53,565 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:53,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1178182263, now seen corresponding path program 12 times [2022-01-18 01:02:53,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:53,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353118918] [2022-01-18 01:02:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:53,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:53,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:53,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353118918] [2022-01-18 01:02:53,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353118918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:53,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:53,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:53,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810122718] [2022-01-18 01:02:53,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:53,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:53,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:53,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:53,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:53,639 INFO L87 Difference]: Start difference. First operand 5172 states and 13586 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:53,810 INFO L93 Difference]: Finished difference Result 5586 states and 14608 transitions. [2022-01-18 01:02:53,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 01:02:53,811 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:53,818 INFO L225 Difference]: With dead ends: 5586 [2022-01-18 01:02:53,818 INFO L226 Difference]: Without dead ends: 5332 [2022-01-18 01:02:53,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:53,819 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 109 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:53,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 1324 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:53,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-01-18 01:02:53,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 5176. [2022-01-18 01:02:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5175 states have (on average 2.6266666666666665) internal successors, (13593), 5175 states have internal predecessors, (13593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 13593 transitions. [2022-01-18 01:02:53,882 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 13593 transitions. Word has length 91 [2022-01-18 01:02:53,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:53,883 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 13593 transitions. [2022-01-18 01:02:53,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 13593 transitions. [2022-01-18 01:02:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:53,890 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:53,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:53,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 01:02:53,890 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:53,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:53,890 INFO L85 PathProgramCache]: Analyzing trace with hash 947936561, now seen corresponding path program 13 times [2022-01-18 01:02:53,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:53,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381807665] [2022-01-18 01:02:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:53,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:53,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381807665] [2022-01-18 01:02:53,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381807665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:53,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:53,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:53,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076899596] [2022-01-18 01:02:53,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:53,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:53,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:53,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:53,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:53,966 INFO L87 Difference]: Start difference. First operand 5176 states and 13593 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:54,123 INFO L93 Difference]: Finished difference Result 5564 states and 14552 transitions. [2022-01-18 01:02:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:54,129 INFO L225 Difference]: With dead ends: 5564 [2022-01-18 01:02:54,129 INFO L226 Difference]: Without dead ends: 5305 [2022-01-18 01:02:54,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:54,130 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 95 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:54,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 1370 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2022-01-18 01:02:54,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 5168. [2022-01-18 01:02:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5167 states have (on average 2.6272498548480745) internal successors, (13575), 5167 states have internal predecessors, (13575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 13575 transitions. [2022-01-18 01:02:54,194 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 13575 transitions. Word has length 91 [2022-01-18 01:02:54,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:54,194 INFO L470 AbstractCegarLoop]: Abstraction has 5168 states and 13575 transitions. [2022-01-18 01:02:54,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 13575 transitions. [2022-01-18 01:02:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:54,198 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:54,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:54,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 01:02:54,199 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:54,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:54,199 INFO L85 PathProgramCache]: Analyzing trace with hash 19479749, now seen corresponding path program 14 times [2022-01-18 01:02:54,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:54,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070883091] [2022-01-18 01:02:54,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:54,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:54,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:54,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070883091] [2022-01-18 01:02:54,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070883091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:54,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:54,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:54,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947682582] [2022-01-18 01:02:54,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:54,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:54,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:54,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:54,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:54,277 INFO L87 Difference]: Start difference. First operand 5168 states and 13575 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:54,497 INFO L93 Difference]: Finished difference Result 5780 states and 15039 transitions. [2022-01-18 01:02:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 01:02:54,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:54,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:54,508 INFO L225 Difference]: With dead ends: 5780 [2022-01-18 01:02:54,509 INFO L226 Difference]: Without dead ends: 5405 [2022-01-18 01:02:54,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2022-01-18 01:02:54,509 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 230 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:54,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 1106 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:54,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5405 states. [2022-01-18 01:02:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5405 to 5072. [2022-01-18 01:02:54,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 5071 states have (on average 2.625714849142181) internal successors, (13315), 5071 states have internal predecessors, (13315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 13315 transitions. [2022-01-18 01:02:54,579 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 13315 transitions. Word has length 91 [2022-01-18 01:02:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:54,579 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 13315 transitions. [2022-01-18 01:02:54,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 13315 transitions. [2022-01-18 01:02:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:54,584 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:54,584 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:54,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 01:02:54,584 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:54,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:54,585 INFO L85 PathProgramCache]: Analyzing trace with hash -129972745, now seen corresponding path program 15 times [2022-01-18 01:02:54,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:54,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067660814] [2022-01-18 01:02:54,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:54,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:54,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:54,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067660814] [2022-01-18 01:02:54,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067660814] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:54,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:54,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:54,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215065018] [2022-01-18 01:02:54,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:54,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:54,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:54,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:54,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:54,664 INFO L87 Difference]: Start difference. First operand 5072 states and 13315 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:54,865 INFO L93 Difference]: Finished difference Result 5540 states and 14474 transitions. [2022-01-18 01:02:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-18 01:02:54,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:54,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:54,873 INFO L225 Difference]: With dead ends: 5540 [2022-01-18 01:02:54,873 INFO L226 Difference]: Without dead ends: 5261 [2022-01-18 01:02:54,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2022-01-18 01:02:54,874 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 134 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:54,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 1297 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:54,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5261 states. [2022-01-18 01:02:54,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5261 to 5076. [2022-01-18 01:02:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 5075 states have (on average 2.625024630541872) internal successors, (13322), 5075 states have internal predecessors, (13322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 13322 transitions. [2022-01-18 01:02:54,942 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 13322 transitions. Word has length 91 [2022-01-18 01:02:54,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:54,942 INFO L470 AbstractCegarLoop]: Abstraction has 5076 states and 13322 transitions. [2022-01-18 01:02:54,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 13322 transitions. [2022-01-18 01:02:54,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:54,946 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:54,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:54,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 01:02:54,947 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:54,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash -421678773, now seen corresponding path program 16 times [2022-01-18 01:02:54,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:54,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714936300] [2022-01-18 01:02:54,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:54,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:55,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:55,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714936300] [2022-01-18 01:02:55,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714936300] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:55,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:55,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:55,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274281816] [2022-01-18 01:02:55,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:55,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:55,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:55,025 INFO L87 Difference]: Start difference. First operand 5076 states and 13322 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:55,179 INFO L93 Difference]: Finished difference Result 5474 states and 14300 transitions. [2022-01-18 01:02:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:55,179 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:55,186 INFO L225 Difference]: With dead ends: 5474 [2022-01-18 01:02:55,186 INFO L226 Difference]: Without dead ends: 5220 [2022-01-18 01:02:55,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:55,187 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 108 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:55,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 1305 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:02:55,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2022-01-18 01:02:55,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5080. [2022-01-18 01:02:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 5079 states have (on average 2.624335499113999) internal successors, (13329), 5079 states have internal predecessors, (13329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 13329 transitions. [2022-01-18 01:02:55,256 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 13329 transitions. Word has length 91 [2022-01-18 01:02:55,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:55,256 INFO L470 AbstractCegarLoop]: Abstraction has 5080 states and 13329 transitions. [2022-01-18 01:02:55,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 13329 transitions. [2022-01-18 01:02:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:55,261 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:55,261 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:55,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 01:02:55,261 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:55,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:55,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1704440051, now seen corresponding path program 17 times [2022-01-18 01:02:55,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:55,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866061492] [2022-01-18 01:02:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:55,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:55,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:55,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866061492] [2022-01-18 01:02:55,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866061492] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:55,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:55,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:55,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107553142] [2022-01-18 01:02:55,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:55,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:55,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:55,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:55,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:55,331 INFO L87 Difference]: Start difference. First operand 5080 states and 13329 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:55,583 INFO L93 Difference]: Finished difference Result 5436 states and 14200 transitions. [2022-01-18 01:02:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:55,583 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:55,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:55,590 INFO L225 Difference]: With dead ends: 5436 [2022-01-18 01:02:55,590 INFO L226 Difference]: Without dead ends: 5177 [2022-01-18 01:02:55,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2022-01-18 01:02:55,591 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 92 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:55,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 1133 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2022-01-18 01:02:55,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 5072. [2022-01-18 01:02:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 5071 states have (on average 2.6249260500887397) internal successors, (13311), 5071 states have internal predecessors, (13311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 13311 transitions. [2022-01-18 01:02:55,654 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 13311 transitions. Word has length 91 [2022-01-18 01:02:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:55,655 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 13311 transitions. [2022-01-18 01:02:55,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 13311 transitions. [2022-01-18 01:02:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:55,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:55,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:55,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 01:02:55,660 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:55,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1427509847, now seen corresponding path program 18 times [2022-01-18 01:02:55,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:55,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666338296] [2022-01-18 01:02:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:55,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:55,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:55,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666338296] [2022-01-18 01:02:55,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666338296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:55,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:55,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:55,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072745789] [2022-01-18 01:02:55,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:55,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:55,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:55,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:55,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:55,731 INFO L87 Difference]: Start difference. First operand 5072 states and 13311 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:55,898 INFO L93 Difference]: Finished difference Result 5431 states and 14188 transitions. [2022-01-18 01:02:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 01:02:55,898 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:55,905 INFO L225 Difference]: With dead ends: 5431 [2022-01-18 01:02:55,905 INFO L226 Difference]: Without dead ends: 5146 [2022-01-18 01:02:55,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-01-18 01:02:55,906 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 119 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:55,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 1127 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:55,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5146 states. [2022-01-18 01:02:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5041. [2022-01-18 01:02:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 5040 states have (on average 2.6246031746031746) internal successors, (13228), 5040 states have internal predecessors, (13228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 13228 transitions. [2022-01-18 01:02:55,960 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 13228 transitions. Word has length 91 [2022-01-18 01:02:55,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:55,960 INFO L470 AbstractCegarLoop]: Abstraction has 5041 states and 13228 transitions. [2022-01-18 01:02:55,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 13228 transitions. [2022-01-18 01:02:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:55,964 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:55,964 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:55,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 01:02:55,964 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:55,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:55,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2044906019, now seen corresponding path program 19 times [2022-01-18 01:02:55,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:55,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801152899] [2022-01-18 01:02:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:55,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:56,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:56,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801152899] [2022-01-18 01:02:56,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801152899] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:56,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:56,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:56,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148909688] [2022-01-18 01:02:56,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:56,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:56,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:56,037 INFO L87 Difference]: Start difference. First operand 5041 states and 13228 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:56,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:56,179 INFO L93 Difference]: Finished difference Result 5369 states and 14026 transitions. [2022-01-18 01:02:56,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 01:02:56,180 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:56,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:56,185 INFO L225 Difference]: With dead ends: 5369 [2022-01-18 01:02:56,185 INFO L226 Difference]: Without dead ends: 5115 [2022-01-18 01:02:56,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-01-18 01:02:56,186 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 115 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:56,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 1115 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:56,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2022-01-18 01:02:56,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 5045. [2022-01-18 01:02:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5045 states, 5044 states have (on average 2.62390959555908) internal successors, (13235), 5044 states have internal predecessors, (13235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 5045 states and 13235 transitions. [2022-01-18 01:02:56,235 INFO L78 Accepts]: Start accepts. Automaton has 5045 states and 13235 transitions. Word has length 91 [2022-01-18 01:02:56,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:56,235 INFO L470 AbstractCegarLoop]: Abstraction has 5045 states and 13235 transitions. [2022-01-18 01:02:56,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 13235 transitions. [2022-01-18 01:02:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-01-18 01:02:56,239 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:56,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:56,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 01:02:56,240 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -123942453, now seen corresponding path program 20 times [2022-01-18 01:02:56,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:56,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930126634] [2022-01-18 01:02:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:56,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:56,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:56,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930126634] [2022-01-18 01:02:56,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930126634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:56,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:56,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 01:02:56,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593370070] [2022-01-18 01:02:56,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:56,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 01:02:56,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:56,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 01:02:56,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-01-18 01:02:56,309 INFO L87 Difference]: Start difference. First operand 5045 states and 13235 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:56,447 INFO L93 Difference]: Finished difference Result 5296 states and 13836 transitions. [2022-01-18 01:02:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 01:02:56,447 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-01-18 01:02:56,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:56,453 INFO L225 Difference]: With dead ends: 5296 [2022-01-18 01:02:56,453 INFO L226 Difference]: Without dead ends: 4987 [2022-01-18 01:02:56,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-01-18 01:02:56,453 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 77 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:56,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 1197 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:02:56,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states. [2022-01-18 01:02:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4987. [2022-01-18 01:02:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4987 states, 4986 states have (on average 2.628158844765343) internal successors, (13104), 4986 states have internal predecessors, (13104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4987 states to 4987 states and 13104 transitions. [2022-01-18 01:02:56,515 INFO L78 Accepts]: Start accepts. Automaton has 4987 states and 13104 transitions. Word has length 91 [2022-01-18 01:02:56,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:56,515 INFO L470 AbstractCegarLoop]: Abstraction has 4987 states and 13104 transitions. [2022-01-18 01:02:56,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4987 states and 13104 transitions. [2022-01-18 01:02:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:02:56,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:56,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:56,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 01:02:56,520 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:56,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:56,520 INFO L85 PathProgramCache]: Analyzing trace with hash 838205561, now seen corresponding path program 1 times [2022-01-18 01:02:56,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:56,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481777025] [2022-01-18 01:02:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:02:56,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:56,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481777025] [2022-01-18 01:02:56,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481777025] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:56,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:56,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:02:56,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968069326] [2022-01-18 01:02:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:56,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:02:56,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:02:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:02:56,943 INFO L87 Difference]: Start difference. First operand 4987 states and 13104 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:00,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:00,626 INFO L93 Difference]: Finished difference Result 9553 states and 25082 transitions. [2022-01-18 01:03:00,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-18 01:03:00,626 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:00,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:00,637 INFO L225 Difference]: With dead ends: 9553 [2022-01-18 01:03:00,637 INFO L226 Difference]: Without dead ends: 8605 [2022-01-18 01:03:00,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1748, Invalid=5392, Unknown=0, NotChecked=0, Total=7140 [2022-01-18 01:03:00,638 INFO L933 BasicCegarLoop]: 457 mSDtfsCounter, 1457 mSDsluCounter, 8443 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 8715 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:00,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1457 Valid, 8715 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:03:00,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8605 states. [2022-01-18 01:03:00,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8605 to 5263. [2022-01-18 01:03:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5263 states, 5262 states have (on average 2.6322690992018245) internal successors, (13851), 5262 states have internal predecessors, (13851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5263 states to 5263 states and 13851 transitions. [2022-01-18 01:03:00,707 INFO L78 Accepts]: Start accepts. Automaton has 5263 states and 13851 transitions. Word has length 135 [2022-01-18 01:03:00,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:00,707 INFO L470 AbstractCegarLoop]: Abstraction has 5263 states and 13851 transitions. [2022-01-18 01:03:00,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5263 states and 13851 transitions. [2022-01-18 01:03:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:00,712 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:00,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:00,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 01:03:00,712 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:00,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2013019691, now seen corresponding path program 2 times [2022-01-18 01:03:00,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:00,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568841975] [2022-01-18 01:03:00,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:00,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:01,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:01,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568841975] [2022-01-18 01:03:01,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568841975] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:01,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:01,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:01,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184558091] [2022-01-18 01:03:01,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:01,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:01,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:01,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:01,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:01,153 INFO L87 Difference]: Start difference. First operand 5263 states and 13851 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:04,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:04,501 INFO L93 Difference]: Finished difference Result 10395 states and 27170 transitions. [2022-01-18 01:03:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:03:04,501 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:04,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:04,514 INFO L225 Difference]: With dead ends: 10395 [2022-01-18 01:03:04,514 INFO L226 Difference]: Without dead ends: 9540 [2022-01-18 01:03:04,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1564, Invalid=5078, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 01:03:04,515 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 1512 mSDsluCounter, 7960 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 8233 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:04,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1512 Valid, 8233 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:03:04,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9540 states. [2022-01-18 01:03:04,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9540 to 5267. [2022-01-18 01:03:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5267 states, 5266 states have (on average 2.63159893657425) internal successors, (13858), 5266 states have internal predecessors, (13858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 5267 states and 13858 transitions. [2022-01-18 01:03:04,597 INFO L78 Accepts]: Start accepts. Automaton has 5267 states and 13858 transitions. Word has length 135 [2022-01-18 01:03:04,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:04,597 INFO L470 AbstractCegarLoop]: Abstraction has 5267 states and 13858 transitions. [2022-01-18 01:03:04,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 5267 states and 13858 transitions. [2022-01-18 01:03:04,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:04,602 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:04,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:04,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 01:03:04,602 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:04,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:04,603 INFO L85 PathProgramCache]: Analyzing trace with hash -271022087, now seen corresponding path program 3 times [2022-01-18 01:03:04,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:04,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155039368] [2022-01-18 01:03:04,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:04,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:04,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:04,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155039368] [2022-01-18 01:03:04,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155039368] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:04,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:04,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:04,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348152266] [2022-01-18 01:03:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:04,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:04,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:04,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:04,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:04,990 INFO L87 Difference]: Start difference. First operand 5267 states and 13858 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:08,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:08,126 INFO L93 Difference]: Finished difference Result 9961 states and 26060 transitions. [2022-01-18 01:03:08,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:03:08,126 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:08,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:08,136 INFO L225 Difference]: With dead ends: 9961 [2022-01-18 01:03:08,137 INFO L226 Difference]: Without dead ends: 9137 [2022-01-18 01:03:08,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1392, Invalid=4770, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:03:08,138 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 1289 mSDsluCounter, 8452 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 8708 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:08,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1289 Valid, 8708 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:03:08,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9137 states. [2022-01-18 01:03:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9137 to 5319. [2022-01-18 01:03:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5319 states, 5318 states have (on average 2.622978563369688) internal successors, (13949), 5318 states have internal predecessors, (13949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 13949 transitions. [2022-01-18 01:03:08,206 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 13949 transitions. Word has length 135 [2022-01-18 01:03:08,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:08,206 INFO L470 AbstractCegarLoop]: Abstraction has 5319 states and 13949 transitions. [2022-01-18 01:03:08,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 13949 transitions. [2022-01-18 01:03:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:08,211 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:08,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:08,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 01:03:08,211 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:08,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1187760251, now seen corresponding path program 4 times [2022-01-18 01:03:08,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:08,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684578718] [2022-01-18 01:03:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:08,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:08,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:08,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684578718] [2022-01-18 01:03:08,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684578718] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:08,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:08,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:08,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427918933] [2022-01-18 01:03:08,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:08,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:08,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:08,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:08,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:08,578 INFO L87 Difference]: Start difference. First operand 5319 states and 13949 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:11,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:11,220 INFO L93 Difference]: Finished difference Result 9527 states and 24902 transitions. [2022-01-18 01:03:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:03:11,220 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:11,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:11,232 INFO L225 Difference]: With dead ends: 9527 [2022-01-18 01:03:11,232 INFO L226 Difference]: Without dead ends: 9106 [2022-01-18 01:03:11,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1234, Invalid=4466, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:03:11,233 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 1198 mSDsluCounter, 7313 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 7583 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:11,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1198 Valid, 7583 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9106 states. [2022-01-18 01:03:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9106 to 5323. [2022-01-18 01:03:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6223224351747465) internal successors, (13956), 5322 states have internal predecessors, (13956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:11,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 13956 transitions. [2022-01-18 01:03:11,330 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 13956 transitions. Word has length 135 [2022-01-18 01:03:11,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:11,330 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 13956 transitions. [2022-01-18 01:03:11,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 13956 transitions. [2022-01-18 01:03:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:11,335 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:11,336 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:11,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 01:03:11,336 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:11,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2009986907, now seen corresponding path program 5 times [2022-01-18 01:03:11,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:11,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99182695] [2022-01-18 01:03:11,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:11,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:11,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:11,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99182695] [2022-01-18 01:03:11,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99182695] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:11,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:11,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:11,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142333038] [2022-01-18 01:03:11,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:11,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:11,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:11,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:11,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:11,735 INFO L87 Difference]: Start difference. First operand 5323 states and 13956 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:14,165 INFO L93 Difference]: Finished difference Result 9301 states and 24384 transitions. [2022-01-18 01:03:14,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:03:14,166 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:14,178 INFO L225 Difference]: With dead ends: 9301 [2022-01-18 01:03:14,178 INFO L226 Difference]: Without dead ends: 8911 [2022-01-18 01:03:14,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1082, Invalid=4174, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:03:14,183 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 970 mSDsluCounter, 8012 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 8266 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:14,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [970 Valid, 8266 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8911 states. [2022-01-18 01:03:14,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8911 to 5335. [2022-01-18 01:03:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6203599550056245) internal successors, (13977), 5334 states have internal predecessors, (13977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13977 transitions. [2022-01-18 01:03:14,263 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13977 transitions. Word has length 135 [2022-01-18 01:03:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:14,263 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13977 transitions. [2022-01-18 01:03:14,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13977 transitions. [2022-01-18 01:03:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:14,269 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:14,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:14,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 01:03:14,269 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:14,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:14,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1139884185, now seen corresponding path program 6 times [2022-01-18 01:03:14,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:14,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300266451] [2022-01-18 01:03:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:14,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:14,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:14,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300266451] [2022-01-18 01:03:14,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300266451] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:14,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:14,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:14,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542573919] [2022-01-18 01:03:14,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:14,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:14,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:14,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:14,684 INFO L87 Difference]: Start difference. First operand 5335 states and 13977 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:16,854 INFO L93 Difference]: Finished difference Result 9150 states and 23988 transitions. [2022-01-18 01:03:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:03:16,854 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:16,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:16,863 INFO L225 Difference]: With dead ends: 9150 [2022-01-18 01:03:16,863 INFO L226 Difference]: Without dead ends: 8853 [2022-01-18 01:03:16,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=900, Invalid=3522, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:03:16,864 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 908 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 7747 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:16,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 7747 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:16,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2022-01-18 01:03:16,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 5339. [2022-01-18 01:03:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.6197077557137503) internal successors, (13984), 5338 states have internal predecessors, (13984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 13984 transitions. [2022-01-18 01:03:16,930 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 13984 transitions. Word has length 135 [2022-01-18 01:03:16,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:16,930 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 13984 transitions. [2022-01-18 01:03:16,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 13984 transitions. [2022-01-18 01:03:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:16,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:16,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:16,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 01:03:16,935 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:16,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1276693595, now seen corresponding path program 7 times [2022-01-18 01:03:16,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:16,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633327334] [2022-01-18 01:03:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:16,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:17,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:17,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633327334] [2022-01-18 01:03:17,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633327334] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:17,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:17,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:17,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416701959] [2022-01-18 01:03:17,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:17,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:17,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:17,306 INFO L87 Difference]: Start difference. First operand 5339 states and 13984 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:19,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:19,227 INFO L93 Difference]: Finished difference Result 9034 states and 23690 transitions. [2022-01-18 01:03:19,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:03:19,228 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:19,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:19,240 INFO L225 Difference]: With dead ends: 9034 [2022-01-18 01:03:19,240 INFO L226 Difference]: Without dead ends: 8768 [2022-01-18 01:03:19,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=751, Invalid=2909, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:03:19,241 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 847 mSDsluCounter, 7692 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:19,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 7960 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:19,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8768 states. [2022-01-18 01:03:19,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8768 to 5343. [2022-01-18 01:03:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.6190565331336577) internal successors, (13991), 5342 states have internal predecessors, (13991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 13991 transitions. [2022-01-18 01:03:19,315 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 13991 transitions. Word has length 135 [2022-01-18 01:03:19,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:19,315 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 13991 transitions. [2022-01-18 01:03:19,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 13991 transitions. [2022-01-18 01:03:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:19,320 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:19,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:19,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 01:03:19,320 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:19,320 INFO L85 PathProgramCache]: Analyzing trace with hash 849425229, now seen corresponding path program 8 times [2022-01-18 01:03:19,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:19,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581471075] [2022-01-18 01:03:19,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:19,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:19,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:19,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581471075] [2022-01-18 01:03:19,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581471075] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:19,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:19,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:19,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221749897] [2022-01-18 01:03:19,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:19,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:19,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:19,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:19,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:19,708 INFO L87 Difference]: Start difference. First operand 5343 states and 13991 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:21,587 INFO L93 Difference]: Finished difference Result 8948 states and 23466 transitions. [2022-01-18 01:03:21,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:03:21,588 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:21,599 INFO L225 Difference]: With dead ends: 8948 [2022-01-18 01:03:21,599 INFO L226 Difference]: Without dead ends: 8593 [2022-01-18 01:03:21,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=733, Invalid=2573, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:03:21,600 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 831 mSDsluCounter, 7145 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 7429 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:21,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [831 Valid, 7429 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:03:21,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8593 states. [2022-01-18 01:03:21,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8593 to 5251. [2022-01-18 01:03:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 5250 states have (on average 2.632) internal successors, (13818), 5250 states have internal predecessors, (13818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 13818 transitions. [2022-01-18 01:03:21,672 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 13818 transitions. Word has length 135 [2022-01-18 01:03:21,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:21,673 INFO L470 AbstractCegarLoop]: Abstraction has 5251 states and 13818 transitions. [2022-01-18 01:03:21,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 13818 transitions. [2022-01-18 01:03:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:21,677 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:21,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:21,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 01:03:21,678 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:21,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:21,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1180571317, now seen corresponding path program 9 times [2022-01-18 01:03:21,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:21,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661166107] [2022-01-18 01:03:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:21,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:22,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:22,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661166107] [2022-01-18 01:03:22,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661166107] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:22,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:22,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:22,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958556979] [2022-01-18 01:03:22,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:22,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:22,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:22,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:22,074 INFO L87 Difference]: Start difference. First operand 5251 states and 13818 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:24,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:24,358 INFO L93 Difference]: Finished difference Result 9396 states and 24758 transitions. [2022-01-18 01:03:24,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:03:24,358 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:24,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:24,370 INFO L225 Difference]: With dead ends: 9396 [2022-01-18 01:03:24,370 INFO L226 Difference]: Without dead ends: 9105 [2022-01-18 01:03:24,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=939, Invalid=3093, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:03:24,371 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 890 mSDsluCounter, 7811 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 8081 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:24,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [890 Valid, 8081 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9105 states. [2022-01-18 01:03:24,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9105 to 5331. [2022-01-18 01:03:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.633020637898687) internal successors, (14034), 5330 states have internal predecessors, (14034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 14034 transitions. [2022-01-18 01:03:24,456 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 14034 transitions. Word has length 135 [2022-01-18 01:03:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:24,456 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 14034 transitions. [2022-01-18 01:03:24,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 14034 transitions. [2022-01-18 01:03:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:24,461 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:24,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:24,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 01:03:24,461 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:24,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:24,462 INFO L85 PathProgramCache]: Analyzing trace with hash 888865289, now seen corresponding path program 10 times [2022-01-18 01:03:24,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:24,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076720268] [2022-01-18 01:03:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:24,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:24,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:24,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076720268] [2022-01-18 01:03:24,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076720268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:24,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:24,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:24,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766685412] [2022-01-18 01:03:24,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:24,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:24,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:24,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:24,848 INFO L87 Difference]: Start difference. First operand 5331 states and 14034 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:26,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:26,785 INFO L93 Difference]: Finished difference Result 9410 states and 24788 transitions. [2022-01-18 01:03:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:03:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:26,798 INFO L225 Difference]: With dead ends: 9410 [2022-01-18 01:03:26,798 INFO L226 Difference]: Without dead ends: 9144 [2022-01-18 01:03:26,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=749, Invalid=2791, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:03:26,799 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 888 mSDsluCounter, 7124 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 7398 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:26,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [888 Valid, 7398 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:26,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9144 states. [2022-01-18 01:03:26,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9144 to 5335. [2022-01-18 01:03:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.632358455193101) internal successors, (14041), 5334 states have internal predecessors, (14041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14041 transitions. [2022-01-18 01:03:26,876 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14041 transitions. Word has length 135 [2022-01-18 01:03:26,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:26,877 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14041 transitions. [2022-01-18 01:03:26,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14041 transitions. [2022-01-18 01:03:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:26,882 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:26,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:26,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 01:03:26,882 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:26,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:26,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1279983183, now seen corresponding path program 11 times [2022-01-18 01:03:26,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:26,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444653950] [2022-01-18 01:03:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:26,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:27,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:27,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444653950] [2022-01-18 01:03:27,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444653950] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:27,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:27,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:27,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671250772] [2022-01-18 01:03:27,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:27,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:27,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:27,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:27,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:27,270 INFO L87 Difference]: Start difference. First operand 5335 states and 14041 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:29,224 INFO L93 Difference]: Finished difference Result 9372 states and 24688 transitions. [2022-01-18 01:03:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:03:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:29,237 INFO L225 Difference]: With dead ends: 9372 [2022-01-18 01:03:29,237 INFO L226 Difference]: Without dead ends: 9101 [2022-01-18 01:03:29,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=825, Invalid=2835, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:03:29,238 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 867 mSDsluCounter, 6653 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 6944 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:29,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [867 Valid, 6944 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:29,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9101 states. [2022-01-18 01:03:29,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9101 to 5327. [2022-01-18 01:03:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.632932782576042) internal successors, (14023), 5326 states have internal predecessors, (14023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 14023 transitions. [2022-01-18 01:03:29,313 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 14023 transitions. Word has length 135 [2022-01-18 01:03:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:29,313 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 14023 transitions. [2022-01-18 01:03:29,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 14023 transitions. [2022-01-18 01:03:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:29,318 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:29,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:29,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 01:03:29,318 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:29,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:29,318 INFO L85 PathProgramCache]: Analyzing trace with hash -907203017, now seen corresponding path program 12 times [2022-01-18 01:03:29,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:29,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224863962] [2022-01-18 01:03:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:29,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:29,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:29,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224863962] [2022-01-18 01:03:29,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224863962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:29,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:29,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:29,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115076580] [2022-01-18 01:03:29,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:29,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:29,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:29,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:29,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:29,760 INFO L87 Difference]: Start difference. First operand 5327 states and 14023 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:32,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:32,045 INFO L93 Difference]: Finished difference Result 9542 states and 25126 transitions. [2022-01-18 01:03:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:03:32,046 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:32,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:32,058 INFO L225 Difference]: With dead ends: 9542 [2022-01-18 01:03:32,058 INFO L226 Difference]: Without dead ends: 9245 [2022-01-18 01:03:32,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=915, Invalid=3375, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:03:32,059 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 955 mSDsluCounter, 7243 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:32,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [955 Valid, 7507 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:32,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2022-01-18 01:03:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 5331. [2022-01-18 01:03:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6322701688555346) internal successors, (14030), 5330 states have internal predecessors, (14030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 14030 transitions. [2022-01-18 01:03:32,132 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 14030 transitions. Word has length 135 [2022-01-18 01:03:32,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:32,133 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 14030 transitions. [2022-01-18 01:03:32,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 14030 transitions. [2022-01-18 01:03:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:32,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:32,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:32,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 01:03:32,138 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:32,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 971186499, now seen corresponding path program 13 times [2022-01-18 01:03:32,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:32,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822465192] [2022-01-18 01:03:32,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:32,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:32,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:32,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822465192] [2022-01-18 01:03:32,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822465192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:32,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:32,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:32,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575000903] [2022-01-18 01:03:32,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:32,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:32,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:32,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:32,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:32,596 INFO L87 Difference]: Start difference. First operand 5331 states and 14030 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:34,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:34,605 INFO L93 Difference]: Finished difference Result 9426 states and 24828 transitions. [2022-01-18 01:03:34,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:03:34,605 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:34,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:34,617 INFO L225 Difference]: With dead ends: 9426 [2022-01-18 01:03:34,617 INFO L226 Difference]: Without dead ends: 9160 [2022-01-18 01:03:34,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=778, Invalid=2882, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:03:34,618 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 907 mSDsluCounter, 7125 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:34,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [907 Valid, 7400 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9160 states. [2022-01-18 01:03:34,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9160 to 5335. [2022-01-18 01:03:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6316085489313834) internal successors, (14037), 5334 states have internal predecessors, (14037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14037 transitions. [2022-01-18 01:03:34,703 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14037 transitions. Word has length 135 [2022-01-18 01:03:34,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:34,704 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14037 transitions. [2022-01-18 01:03:34,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14037 transitions. [2022-01-18 01:03:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:34,709 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:34,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:34,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 01:03:34,709 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:34,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1197661973, now seen corresponding path program 14 times [2022-01-18 01:03:34,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:34,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655768108] [2022-01-18 01:03:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:34,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:35,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:35,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655768108] [2022-01-18 01:03:35,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655768108] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:35,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:35,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:35,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125480840] [2022-01-18 01:03:35,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:35,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:35,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:35,112 INFO L87 Difference]: Start difference. First operand 5335 states and 14037 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:37,190 INFO L93 Difference]: Finished difference Result 9372 states and 24684 transitions. [2022-01-18 01:03:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:03:37,190 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:37,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:37,202 INFO L225 Difference]: With dead ends: 9372 [2022-01-18 01:03:37,202 INFO L226 Difference]: Without dead ends: 9097 [2022-01-18 01:03:37,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=793, Invalid=2747, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:03:37,203 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 872 mSDsluCounter, 6993 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 7276 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:37,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [872 Valid, 7276 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9097 states. [2022-01-18 01:03:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9097 to 5323. [2022-01-18 01:03:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6328447951897784) internal successors, (14012), 5322 states have internal predecessors, (14012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 14012 transitions. [2022-01-18 01:03:37,276 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 14012 transitions. Word has length 135 [2022-01-18 01:03:37,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:37,276 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 14012 transitions. [2022-01-18 01:03:37,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 14012 transitions. [2022-01-18 01:03:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:37,281 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:37,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:37,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 01:03:37,281 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:37,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1816968025, now seen corresponding path program 15 times [2022-01-18 01:03:37,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:37,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783895354] [2022-01-18 01:03:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:37,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:37,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:37,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783895354] [2022-01-18 01:03:37,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783895354] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:37,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:37,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:37,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025597045] [2022-01-18 01:03:37,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:37,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:37,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:37,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:37,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:37,715 INFO L87 Difference]: Start difference. First operand 5323 states and 14012 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:40,269 INFO L93 Difference]: Finished difference Result 9709 states and 25554 transitions. [2022-01-18 01:03:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:03:40,269 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:40,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:40,281 INFO L225 Difference]: With dead ends: 9709 [2022-01-18 01:03:40,281 INFO L226 Difference]: Without dead ends: 9319 [2022-01-18 01:03:40,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1105, Invalid=4007, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:03:40,282 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 1028 mSDsluCounter, 7374 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 7631 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:40,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1028 Valid, 7631 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:40,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9319 states. [2022-01-18 01:03:40,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9319 to 5335. [2022-01-18 01:03:40,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6308586426696663) internal successors, (14033), 5334 states have internal predecessors, (14033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14033 transitions. [2022-01-18 01:03:40,358 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14033 transitions. Word has length 135 [2022-01-18 01:03:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:40,358 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14033 transitions. [2022-01-18 01:03:40,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14033 transitions. [2022-01-18 01:03:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:40,363 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:40,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:40,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 01:03:40,364 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:40,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:40,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2084534235, now seen corresponding path program 16 times [2022-01-18 01:03:40,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:40,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973866785] [2022-01-18 01:03:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:40,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:40,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:40,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973866785] [2022-01-18 01:03:40,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973866785] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:40,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:40,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:40,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213661685] [2022-01-18 01:03:40,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:40,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:40,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:40,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:40,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:40,715 INFO L87 Difference]: Start difference. First operand 5335 states and 14033 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:42,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:42,983 INFO L93 Difference]: Finished difference Result 9558 states and 25158 transitions. [2022-01-18 01:03:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:03:42,983 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:42,995 INFO L225 Difference]: With dead ends: 9558 [2022-01-18 01:03:42,995 INFO L226 Difference]: Without dead ends: 9261 [2022-01-18 01:03:42,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=940, Invalid=3482, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:03:42,996 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 971 mSDsluCounter, 7255 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 7521 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:42,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [971 Valid, 7521 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9261 states. [2022-01-18 01:03:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9261 to 5339. [2022-01-18 01:03:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.630198576245785) internal successors, (14040), 5338 states have internal predecessors, (14040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 14040 transitions. [2022-01-18 01:03:43,085 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 14040 transitions. Word has length 135 [2022-01-18 01:03:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:43,085 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 14040 transitions. [2022-01-18 01:03:43,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 14040 transitions. [2022-01-18 01:03:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:43,090 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:43,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:43,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 01:03:43,090 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:43,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:43,091 INFO L85 PathProgramCache]: Analyzing trace with hash -332043545, now seen corresponding path program 17 times [2022-01-18 01:03:43,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:43,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338294886] [2022-01-18 01:03:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:43,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:43,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:43,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338294886] [2022-01-18 01:03:43,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338294886] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:43,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:43,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:43,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787169433] [2022-01-18 01:03:43,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:43,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:43,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:43,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:43,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:43,475 INFO L87 Difference]: Start difference. First operand 5339 states and 14040 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:45,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:45,420 INFO L93 Difference]: Finished difference Result 9442 states and 24860 transitions. [2022-01-18 01:03:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:03:45,421 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:45,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:45,433 INFO L225 Difference]: With dead ends: 9442 [2022-01-18 01:03:45,433 INFO L226 Difference]: Without dead ends: 9176 [2022-01-18 01:03:45,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=774, Invalid=2886, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:03:45,434 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 883 mSDsluCounter, 7135 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:45,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [883 Valid, 7406 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9176 states. [2022-01-18 01:03:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9176 to 5343. [2022-01-18 01:03:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.629539498315238) internal successors, (14047), 5342 states have internal predecessors, (14047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 14047 transitions. [2022-01-18 01:03:45,511 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 14047 transitions. Word has length 135 [2022-01-18 01:03:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:45,511 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 14047 transitions. [2022-01-18 01:03:45,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 14047 transitions. [2022-01-18 01:03:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:45,517 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:45,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:45,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 01:03:45,517 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:45,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1794075279, now seen corresponding path program 18 times [2022-01-18 01:03:45,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:45,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340465435] [2022-01-18 01:03:45,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:45,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:45,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:45,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340465435] [2022-01-18 01:03:45,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340465435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:45,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:45,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:45,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555272452] [2022-01-18 01:03:45,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:45,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:45,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:45,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:45,898 INFO L87 Difference]: Start difference. First operand 5343 states and 14047 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:47,784 INFO L93 Difference]: Finished difference Result 9380 states and 24694 transitions. [2022-01-18 01:03:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:03:47,784 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:47,796 INFO L225 Difference]: With dead ends: 9380 [2022-01-18 01:03:47,796 INFO L226 Difference]: Without dead ends: 9085 [2022-01-18 01:03:47,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=767, Invalid=2655, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:03:47,797 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 864 mSDsluCounter, 7367 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 7641 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:47,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [864 Valid, 7641 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2022-01-18 01:03:47,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 5311. [2022-01-18 01:03:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.632580037664783) internal successors, (13979), 5310 states have internal predecessors, (13979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13979 transitions. [2022-01-18 01:03:47,869 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13979 transitions. Word has length 135 [2022-01-18 01:03:47,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:47,869 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13979 transitions. [2022-01-18 01:03:47,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13979 transitions. [2022-01-18 01:03:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:47,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:47,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:47,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 01:03:47,874 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1017287595, now seen corresponding path program 19 times [2022-01-18 01:03:47,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:47,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389523144] [2022-01-18 01:03:47,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:47,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:48,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:48,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389523144] [2022-01-18 01:03:48,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389523144] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:48,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:48,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:48,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985287972] [2022-01-18 01:03:48,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:48,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:48,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:48,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:48,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:48,248 INFO L87 Difference]: Start difference. First operand 5311 states and 13979 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:51,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:51,014 INFO L93 Difference]: Finished difference Result 9951 states and 26104 transitions. [2022-01-18 01:03:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:03:51,014 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:51,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:51,027 INFO L225 Difference]: With dead ends: 9951 [2022-01-18 01:03:51,028 INFO L226 Difference]: Without dead ends: 9530 [2022-01-18 01:03:51,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1280, Invalid=4420, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:03:51,029 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 1236 mSDsluCounter, 7940 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:51,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1236 Valid, 8181 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:51,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9530 states. [2022-01-18 01:03:51,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9530 to 5315. [2022-01-18 01:03:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5315 states, 5314 states have (on average 2.6319156943921715) internal successors, (13986), 5314 states have internal predecessors, (13986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 13986 transitions. [2022-01-18 01:03:51,105 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 13986 transitions. Word has length 135 [2022-01-18 01:03:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:51,105 INFO L470 AbstractCegarLoop]: Abstraction has 5315 states and 13986 transitions. [2022-01-18 01:03:51,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 13986 transitions. [2022-01-18 01:03:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:51,110 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:51,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:51,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 01:03:51,110 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:51,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:51,111 INFO L85 PathProgramCache]: Analyzing trace with hash 79932543, now seen corresponding path program 20 times [2022-01-18 01:03:51,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:51,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409212050] [2022-01-18 01:03:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:51,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:51,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:51,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409212050] [2022-01-18 01:03:51,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409212050] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:51,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:51,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:51,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453856285] [2022-01-18 01:03:51,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:51,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:51,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:51,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:51,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:51,526 INFO L87 Difference]: Start difference. First operand 5315 states and 13986 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:54,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:54,128 INFO L93 Difference]: Finished difference Result 9725 states and 25586 transitions. [2022-01-18 01:03:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:03:54,129 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:54,138 INFO L225 Difference]: With dead ends: 9725 [2022-01-18 01:03:54,138 INFO L226 Difference]: Without dead ends: 9335 [2022-01-18 01:03:54,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1124, Invalid=4132, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:03:54,139 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 1021 mSDsluCounter, 7412 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 7671 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:54,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1021 Valid, 7671 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9335 states. [2022-01-18 01:03:54,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9335 to 5327. [2022-01-18 01:03:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6299286518963574) internal successors, (14007), 5326 states have internal predecessors, (14007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 14007 transitions. [2022-01-18 01:03:54,204 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 14007 transitions. Word has length 135 [2022-01-18 01:03:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:54,204 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 14007 transitions. [2022-01-18 01:03:54,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 14007 transitions. [2022-01-18 01:03:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:54,209 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:54,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:54,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 01:03:54,209 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:54,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:54,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1065163661, now seen corresponding path program 21 times [2022-01-18 01:03:54,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:54,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129386681] [2022-01-18 01:03:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:54,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:54,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:54,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129386681] [2022-01-18 01:03:54,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129386681] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:54,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:54,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:54,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203532429] [2022-01-18 01:03:54,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:54,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:54,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:54,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:54,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:54,573 INFO L87 Difference]: Start difference. First operand 5327 states and 14007 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:56,783 INFO L93 Difference]: Finished difference Result 9574 states and 25190 transitions. [2022-01-18 01:03:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:03:56,783 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:56,795 INFO L225 Difference]: With dead ends: 9574 [2022-01-18 01:03:56,796 INFO L226 Difference]: Without dead ends: 9277 [2022-01-18 01:03:56,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=930, Invalid=3492, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:03:56,796 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 954 mSDsluCounter, 7286 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 7548 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:56,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [954 Valid, 7548 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9277 states. [2022-01-18 01:03:56,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9277 to 5331. [2022-01-18 01:03:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.629268292682927) internal successors, (14014), 5330 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 14014 transitions. [2022-01-18 01:03:56,881 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 14014 transitions. Word has length 135 [2022-01-18 01:03:56,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:56,881 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 14014 transitions. [2022-01-18 01:03:56,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 14014 transitions. [2022-01-18 01:03:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:56,887 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:56,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:56,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 01:03:56,887 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:56,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:56,887 INFO L85 PathProgramCache]: Analyzing trace with hash 813225855, now seen corresponding path program 22 times [2022-01-18 01:03:56,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:56,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014163225] [2022-01-18 01:03:56,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:56,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:57,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:57,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014163225] [2022-01-18 01:03:57,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014163225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:57,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:57,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:57,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510665614] [2022-01-18 01:03:57,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:57,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:57,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:57,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:57,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:57,291 INFO L87 Difference]: Start difference. First operand 5331 states and 14014 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:59,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:59,263 INFO L93 Difference]: Finished difference Result 9458 states and 24892 transitions. [2022-01-18 01:03:59,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:03:59,263 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:03:59,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:59,273 INFO L225 Difference]: With dead ends: 9458 [2022-01-18 01:03:59,273 INFO L226 Difference]: Without dead ends: 9192 [2022-01-18 01:03:59,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=769, Invalid=2891, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:03:59,273 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 888 mSDsluCounter, 7513 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 7776 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:59,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [888 Valid, 7776 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9192 states. [2022-01-18 01:03:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9192 to 5335. [2022-01-18 01:03:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6286089238845145) internal successors, (14021), 5334 states have internal predecessors, (14021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14021 transitions. [2022-01-18 01:03:59,338 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14021 transitions. Word has length 135 [2022-01-18 01:03:59,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:59,338 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14021 transitions. [2022-01-18 01:03:59,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14021 transitions. [2022-01-18 01:03:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:03:59,343 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:59,343 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:59,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 01:03:59,343 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:59,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:59,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1355622617, now seen corresponding path program 23 times [2022-01-18 01:03:59,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:59,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382063514] [2022-01-18 01:03:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:59,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:03:59,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:59,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382063514] [2022-01-18 01:03:59,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382063514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:59,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:59,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:03:59,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912105307] [2022-01-18 01:03:59,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:59,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:03:59,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:59,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:03:59,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:03:59,706 INFO L87 Difference]: Start difference. First operand 5335 states and 14021 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:01,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:01,478 INFO L93 Difference]: Finished difference Result 9372 states and 24668 transitions. [2022-01-18 01:04:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:04:01,479 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:01,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:01,491 INFO L225 Difference]: With dead ends: 9372 [2022-01-18 01:04:01,491 INFO L226 Difference]: Without dead ends: 9081 [2022-01-18 01:04:01,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=741, Invalid=2565, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:04:01,492 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 865 mSDsluCounter, 6622 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 6906 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:01,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 6906 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:04:01,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2022-01-18 01:04:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 5307. [2022-01-18 01:04:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 5306 states have (on average 2.632491519035055) internal successors, (13968), 5306 states have internal predecessors, (13968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 13968 transitions. [2022-01-18 01:04:01,563 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 13968 transitions. Word has length 135 [2022-01-18 01:04:01,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:01,563 INFO L470 AbstractCegarLoop]: Abstraction has 5307 states and 13968 transitions. [2022-01-18 01:04:01,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 13968 transitions. [2022-01-18 01:04:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:01,568 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:01,568 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:01,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 01:04:01,569 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:01,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:01,569 INFO L85 PathProgramCache]: Analyzing trace with hash -16532215, now seen corresponding path program 24 times [2022-01-18 01:04:01,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:01,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445063610] [2022-01-18 01:04:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:01,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:01,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:01,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445063610] [2022-01-18 01:04:01,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445063610] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:01,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:01,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:01,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948445442] [2022-01-18 01:04:01,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:01,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:01,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:01,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:01,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:01,991 INFO L87 Difference]: Start difference. First operand 5307 states and 13968 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:05,090 INFO L93 Difference]: Finished difference Result 10433 states and 27342 transitions. [2022-01-18 01:04:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:04:05,091 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:05,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:05,101 INFO L225 Difference]: With dead ends: 10433 [2022-01-18 01:04:05,101 INFO L226 Difference]: Without dead ends: 9609 [2022-01-18 01:04:05,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1427, Invalid=4735, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:04:05,102 INFO L933 BasicCegarLoop]: 451 mSDtfsCounter, 1377 mSDsluCounter, 7890 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:05,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1377 Valid, 8156 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9609 states. [2022-01-18 01:04:05,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9609 to 5359. [2022-01-18 01:04:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5359 states, 5358 states have (on average 2.623926838372527) internal successors, (14059), 5358 states have internal predecessors, (14059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 5359 states and 14059 transitions. [2022-01-18 01:04:05,168 INFO L78 Accepts]: Start accepts. Automaton has 5359 states and 14059 transitions. Word has length 135 [2022-01-18 01:04:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:05,168 INFO L470 AbstractCegarLoop]: Abstraction has 5359 states and 14059 transitions. [2022-01-18 01:04:05,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 14059 transitions. [2022-01-18 01:04:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:05,173 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:05,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:05,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 01:04:05,173 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:05,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1765517441, now seen corresponding path program 25 times [2022-01-18 01:04:05,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:05,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567261426] [2022-01-18 01:04:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:05,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:05,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:05,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567261426] [2022-01-18 01:04:05,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567261426] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:05,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:05,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:05,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279718174] [2022-01-18 01:04:05,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:05,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:05,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:05,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:05,580 INFO L87 Difference]: Start difference. First operand 5359 states and 14059 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:08,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:08,351 INFO L93 Difference]: Finished difference Result 9999 states and 26184 transitions. [2022-01-18 01:04:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:04:08,351 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:08,364 INFO L225 Difference]: With dead ends: 9999 [2022-01-18 01:04:08,364 INFO L226 Difference]: Without dead ends: 9578 [2022-01-18 01:04:08,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1263, Invalid=4437, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:04:08,365 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 1250 mSDsluCounter, 7657 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 7920 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:08,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 7920 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9578 states. [2022-01-18 01:04:08,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9578 to 5363. [2022-01-18 01:04:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5363 states, 5362 states have (on average 2.6232748974263336) internal successors, (14066), 5362 states have internal predecessors, (14066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5363 states to 5363 states and 14066 transitions. [2022-01-18 01:04:08,448 INFO L78 Accepts]: Start accepts. Automaton has 5363 states and 14066 transitions. Word has length 135 [2022-01-18 01:04:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:08,448 INFO L470 AbstractCegarLoop]: Abstraction has 5363 states and 14066 transitions. [2022-01-18 01:04:08,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5363 states and 14066 transitions. [2022-01-18 01:04:08,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:08,453 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:08,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:08,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 01:04:08,453 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:08,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:08,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1432229717, now seen corresponding path program 26 times [2022-01-18 01:04:08,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:08,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094517707] [2022-01-18 01:04:08,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:08,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:08,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:08,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094517707] [2022-01-18 01:04:08,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094517707] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:08,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:08,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:08,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487054260] [2022-01-18 01:04:08,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:08,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:08,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:08,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:08,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:08,867 INFO L87 Difference]: Start difference. First operand 5363 states and 14066 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:11,355 INFO L93 Difference]: Finished difference Result 9773 states and 25666 transitions. [2022-01-18 01:04:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:04:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:11,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:11,368 INFO L225 Difference]: With dead ends: 9773 [2022-01-18 01:04:11,368 INFO L226 Difference]: Without dead ends: 9383 [2022-01-18 01:04:11,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1110, Invalid=4146, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:04:11,369 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 1012 mSDsluCounter, 7521 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 7787 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:11,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 7787 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9383 states. [2022-01-18 01:04:11,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9383 to 5375. [2022-01-18 01:04:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5375 states, 5374 states have (on average 2.6213248976553776) internal successors, (14087), 5374 states have internal predecessors, (14087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 5375 states and 14087 transitions. [2022-01-18 01:04:11,444 INFO L78 Accepts]: Start accepts. Automaton has 5375 states and 14087 transitions. Word has length 135 [2022-01-18 01:04:11,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:11,444 INFO L470 AbstractCegarLoop]: Abstraction has 5375 states and 14087 transitions. [2022-01-18 01:04:11,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 14087 transitions. [2022-01-18 01:04:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:11,449 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:11,449 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:11,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 01:04:11,449 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:11,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1717641375, now seen corresponding path program 27 times [2022-01-18 01:04:11,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:11,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054444264] [2022-01-18 01:04:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:11,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:11,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:11,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054444264] [2022-01-18 01:04:11,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054444264] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:11,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:11,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:11,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515800738] [2022-01-18 01:04:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:11,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:11,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:11,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:11,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:11,846 INFO L87 Difference]: Start difference. First operand 5375 states and 14087 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:14,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:14,089 INFO L93 Difference]: Finished difference Result 9622 states and 25270 transitions. [2022-01-18 01:04:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:04:14,089 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:14,101 INFO L225 Difference]: With dead ends: 9622 [2022-01-18 01:04:14,101 INFO L226 Difference]: Without dead ends: 9325 [2022-01-18 01:04:14,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=919, Invalid=3503, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:04:14,102 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 958 mSDsluCounter, 7368 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 7639 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:14,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [958 Valid, 7639 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:14,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9325 states. [2022-01-18 01:04:14,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9325 to 5379. [2022-01-18 01:04:14,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5379 states, 5378 states have (on average 2.620676831535887) internal successors, (14094), 5378 states have internal predecessors, (14094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 14094 transitions. [2022-01-18 01:04:14,177 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 14094 transitions. Word has length 135 [2022-01-18 01:04:14,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:14,177 INFO L470 AbstractCegarLoop]: Abstraction has 5379 states and 14094 transitions. [2022-01-18 01:04:14,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 14094 transitions. [2022-01-18 01:04:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:14,196 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:14,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:14,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 01:04:14,197 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:14,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash -698936405, now seen corresponding path program 28 times [2022-01-18 01:04:14,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:14,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897702361] [2022-01-18 01:04:14,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:14,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:14,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:14,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897702361] [2022-01-18 01:04:14,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897702361] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:14,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:14,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:14,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389412146] [2022-01-18 01:04:14,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:14,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:14,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:14,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:14,582 INFO L87 Difference]: Start difference. First operand 5379 states and 14094 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:16,523 INFO L93 Difference]: Finished difference Result 9506 states and 24972 transitions. [2022-01-18 01:04:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:04:16,524 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:16,536 INFO L225 Difference]: With dead ends: 9506 [2022-01-18 01:04:16,536 INFO L226 Difference]: Without dead ends: 9240 [2022-01-18 01:04:16,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=763, Invalid=2897, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:04:16,537 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 908 mSDsluCounter, 7220 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 7498 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:16,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 7498 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:16,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9240 states. [2022-01-18 01:04:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9240 to 5383. [2022-01-18 01:04:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5383 states, 5382 states have (on average 2.620029728725381) internal successors, (14101), 5382 states have internal predecessors, (14101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 14101 transitions. [2022-01-18 01:04:16,608 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 14101 transitions. Word has length 135 [2022-01-18 01:04:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:16,609 INFO L470 AbstractCegarLoop]: Abstraction has 5383 states and 14101 transitions. [2022-01-18 01:04:16,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 14101 transitions. [2022-01-18 01:04:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:16,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:16,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:16,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 01:04:16,614 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:16,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:16,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1427182419, now seen corresponding path program 29 times [2022-01-18 01:04:16,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:16,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462184142] [2022-01-18 01:04:16,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:16,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:17,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:17,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462184142] [2022-01-18 01:04:17,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462184142] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:17,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:17,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:17,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617988603] [2022-01-18 01:04:17,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:17,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:17,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:17,030 INFO L87 Difference]: Start difference. First operand 5383 states and 14101 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:18,968 INFO L93 Difference]: Finished difference Result 9420 states and 24748 transitions. [2022-01-18 01:04:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:04:18,968 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:18,980 INFO L225 Difference]: With dead ends: 9420 [2022-01-18 01:04:18,980 INFO L226 Difference]: Without dead ends: 9029 [2022-01-18 01:04:18,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=736, Invalid=2570, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:04:18,981 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 880 mSDsluCounter, 7476 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 7755 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:18,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [880 Valid, 7755 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:18,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9029 states. [2022-01-18 01:04:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9029 to 5255. [2022-01-18 01:04:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5255 states, 5254 states have (on average 2.6313285116102016) internal successors, (13825), 5254 states have internal predecessors, (13825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 5255 states and 13825 transitions. [2022-01-18 01:04:19,051 INFO L78 Accepts]: Start accepts. Automaton has 5255 states and 13825 transitions. Word has length 135 [2022-01-18 01:04:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:19,051 INFO L470 AbstractCegarLoop]: Abstraction has 5255 states and 13825 transitions. [2022-01-18 01:04:19,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 5255 states and 13825 transitions. [2022-01-18 01:04:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:19,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:19,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:19,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 01:04:19,056 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:19,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:19,057 INFO L85 PathProgramCache]: Analyzing trace with hash 190601209, now seen corresponding path program 30 times [2022-01-18 01:04:19,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:19,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821381900] [2022-01-18 01:04:19,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:19,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:19,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:19,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821381900] [2022-01-18 01:04:19,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821381900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:19,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:19,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:19,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534314927] [2022-01-18 01:04:19,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:19,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:19,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:19,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:19,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:19,471 INFO L87 Difference]: Start difference. First operand 5255 states and 13825 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:22,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:22,730 INFO L93 Difference]: Finished difference Result 10387 states and 27144 transitions. [2022-01-18 01:04:22,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:04:22,730 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:22,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:22,742 INFO L225 Difference]: With dead ends: 10387 [2022-01-18 01:04:22,742 INFO L226 Difference]: Without dead ends: 9532 [2022-01-18 01:04:22,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1584, Invalid=5058, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 01:04:22,743 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1535 mSDsluCounter, 7907 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:22,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 8177 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9532 states. [2022-01-18 01:04:22,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9532 to 5259. [2022-01-18 01:04:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5259 states, 5258 states have (on average 2.6306580448839862) internal successors, (13832), 5258 states have internal predecessors, (13832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 5259 states and 13832 transitions. [2022-01-18 01:04:22,817 INFO L78 Accepts]: Start accepts. Automaton has 5259 states and 13832 transitions. Word has length 135 [2022-01-18 01:04:22,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:22,817 INFO L470 AbstractCegarLoop]: Abstraction has 5259 states and 13832 transitions. [2022-01-18 01:04:22,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 13832 transitions. [2022-01-18 01:04:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:22,822 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:22,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:22,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 01:04:22,822 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:22,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:22,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1932598813, now seen corresponding path program 31 times [2022-01-18 01:04:22,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:22,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047339130] [2022-01-18 01:04:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:22,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:23,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:23,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047339130] [2022-01-18 01:04:23,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047339130] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:23,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:23,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:23,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050664457] [2022-01-18 01:04:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:23,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:23,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:23,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:23,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:23,182 INFO L87 Difference]: Start difference. First operand 5259 states and 13832 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:26,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:26,188 INFO L93 Difference]: Finished difference Result 9953 states and 26034 transitions. [2022-01-18 01:04:26,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:04:26,189 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:26,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:26,198 INFO L225 Difference]: With dead ends: 9953 [2022-01-18 01:04:26,198 INFO L226 Difference]: Without dead ends: 9129 [2022-01-18 01:04:26,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1410, Invalid=4752, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:04:26,199 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 1308 mSDsluCounter, 7905 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 8173 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:26,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1308 Valid, 8173 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:26,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9129 states. [2022-01-18 01:04:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9129 to 5311. [2022-01-18 01:04:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.6220338983050846) internal successors, (13923), 5310 states have internal predecessors, (13923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13923 transitions. [2022-01-18 01:04:26,264 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13923 transitions. Word has length 135 [2022-01-18 01:04:26,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:26,264 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13923 transitions. [2022-01-18 01:04:26,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13923 transitions. [2022-01-18 01:04:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:26,269 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:26,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:26,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 01:04:26,269 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:26,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:26,270 INFO L85 PathProgramCache]: Analyzing trace with hash -903586145, now seen corresponding path program 32 times [2022-01-18 01:04:26,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:26,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198260900] [2022-01-18 01:04:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:26,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:26,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:26,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198260900] [2022-01-18 01:04:26,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198260900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:26,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:26,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:26,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496560575] [2022-01-18 01:04:26,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:26,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:26,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:26,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:26,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:26,658 INFO L87 Difference]: Start difference. First operand 5311 states and 13923 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:29,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:29,305 INFO L93 Difference]: Finished difference Result 9519 states and 24876 transitions. [2022-01-18 01:04:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:04:29,305 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:29,316 INFO L225 Difference]: With dead ends: 9519 [2022-01-18 01:04:29,317 INFO L226 Difference]: Without dead ends: 9098 [2022-01-18 01:04:29,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 944 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1248, Invalid=4452, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:04:29,318 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 1200 mSDsluCounter, 7627 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 7888 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:29,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1200 Valid, 7888 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2022-01-18 01:04:29,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 5315. [2022-01-18 01:04:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5315 states, 5314 states have (on average 2.6213774934136245) internal successors, (13930), 5314 states have internal predecessors, (13930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 13930 transitions. [2022-01-18 01:04:29,388 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 13930 transitions. Word has length 135 [2022-01-18 01:04:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:29,388 INFO L470 AbstractCegarLoop]: Abstraction has 5315 states and 13930 transitions. [2022-01-18 01:04:29,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 13930 transitions. [2022-01-18 01:04:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:29,393 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:29,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:29,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 01:04:29,393 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:29,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:29,393 INFO L85 PathProgramCache]: Analyzing trace with hash 193633993, now seen corresponding path program 33 times [2022-01-18 01:04:29,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:29,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789150778] [2022-01-18 01:04:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:29,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:29,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:29,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789150778] [2022-01-18 01:04:29,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789150778] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:29,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:29,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:29,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228572470] [2022-01-18 01:04:29,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:29,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:29,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:29,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:29,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:29,746 INFO L87 Difference]: Start difference. First operand 5315 states and 13930 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:32,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:32,181 INFO L93 Difference]: Finished difference Result 9317 states and 24416 transitions. [2022-01-18 01:04:32,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:04:32,182 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:32,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:32,192 INFO L225 Difference]: With dead ends: 9317 [2022-01-18 01:04:32,192 INFO L226 Difference]: Without dead ends: 8927 [2022-01-18 01:04:32,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1096, Invalid=4160, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:04:32,193 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 988 mSDsluCounter, 7479 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:32,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [988 Valid, 7743 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8927 states. [2022-01-18 01:04:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8927 to 5327. [2022-01-18 01:04:32,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6194141945174616) internal successors, (13951), 5326 states have internal predecessors, (13951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 13951 transitions. [2022-01-18 01:04:32,261 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 13951 transitions. Word has length 135 [2022-01-18 01:04:32,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:32,261 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 13951 transitions. [2022-01-18 01:04:32,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 13951 transitions. [2022-01-18 01:04:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:32,266 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:32,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:32,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 01:04:32,267 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:32,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:32,268 INFO L85 PathProgramCache]: Analyzing trace with hash -951462211, now seen corresponding path program 34 times [2022-01-18 01:04:32,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:32,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951738185] [2022-01-18 01:04:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:32,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:32,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:32,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951738185] [2022-01-18 01:04:32,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951738185] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:32,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:32,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:32,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95650778] [2022-01-18 01:04:32,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:32,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:32,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:32,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:32,620 INFO L87 Difference]: Start difference. First operand 5327 states and 13951 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:34,785 INFO L93 Difference]: Finished difference Result 9174 states and 24042 transitions. [2022-01-18 01:04:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:04:34,786 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:34,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:34,797 INFO L225 Difference]: With dead ends: 9174 [2022-01-18 01:04:34,797 INFO L226 Difference]: Without dead ends: 8877 [2022-01-18 01:04:34,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=910, Invalid=3512, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:04:34,798 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 913 mSDsluCounter, 7326 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 7595 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:34,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [913 Valid, 7595 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:34,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8877 states. [2022-01-18 01:04:34,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8877 to 5331. [2022-01-18 01:04:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6187617260787994) internal successors, (13958), 5330 states have internal predecessors, (13958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13958 transitions. [2022-01-18 01:04:34,874 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13958 transitions. Word has length 135 [2022-01-18 01:04:34,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:34,874 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13958 transitions. [2022-01-18 01:04:34,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13958 transitions. [2022-01-18 01:04:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:34,880 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:34,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:34,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 01:04:34,880 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:34,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 926927305, now seen corresponding path program 35 times [2022-01-18 01:04:34,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:34,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786707132] [2022-01-18 01:04:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:34,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:35,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:35,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786707132] [2022-01-18 01:04:35,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786707132] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:35,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:35,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:35,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899327025] [2022-01-18 01:04:35,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:35,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:35,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:35,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:35,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:35,261 INFO L87 Difference]: Start difference. First operand 5331 states and 13958 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:37,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:37,145 INFO L93 Difference]: Finished difference Result 9074 states and 23788 transitions. [2022-01-18 01:04:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:04:37,146 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:37,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:37,158 INFO L225 Difference]: With dead ends: 9074 [2022-01-18 01:04:37,158 INFO L226 Difference]: Without dead ends: 8808 [2022-01-18 01:04:37,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=757, Invalid=2903, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:04:37,158 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 871 mSDsluCounter, 7178 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 7454 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:37,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [871 Valid, 7454 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:37,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8808 states. [2022-01-18 01:04:37,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8808 to 5335. [2022-01-18 01:04:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6181102362204722) internal successors, (13965), 5334 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:37,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13965 transitions. [2022-01-18 01:04:37,232 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13965 transitions. Word has length 135 [2022-01-18 01:04:37,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:37,232 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13965 transitions. [2022-01-18 01:04:37,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:37,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13965 transitions. [2022-01-18 01:04:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:37,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:37,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:37,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 01:04:37,237 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:37,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1241921167, now seen corresponding path program 36 times [2022-01-18 01:04:37,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:37,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143501974] [2022-01-18 01:04:37,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:37,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:37,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:37,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143501974] [2022-01-18 01:04:37,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143501974] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:37,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:37,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:37,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232524111] [2022-01-18 01:04:37,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:37,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:37,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:37,584 INFO L87 Difference]: Start difference. First operand 5335 states and 13965 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:39,340 INFO L93 Difference]: Finished difference Result 8940 states and 23440 transitions. [2022-01-18 01:04:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:04:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:39,351 INFO L225 Difference]: With dead ends: 8940 [2022-01-18 01:04:39,351 INFO L226 Difference]: Without dead ends: 8581 [2022-01-18 01:04:39,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=737, Invalid=2569, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:04:39,352 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 818 mSDsluCounter, 6669 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 6958 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:39,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [818 Valid, 6958 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:04:39,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8581 states. [2022-01-18 01:04:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8581 to 5239. [2022-01-18 01:04:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 5238 states have (on average 2.631729667812142) internal successors, (13785), 5238 states have internal predecessors, (13785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 13785 transitions. [2022-01-18 01:04:39,426 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 13785 transitions. Word has length 135 [2022-01-18 01:04:39,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:39,426 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 13785 transitions. [2022-01-18 01:04:39,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 13785 transitions. [2022-01-18 01:04:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:39,431 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:39,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:39,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 01:04:39,431 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:39,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:39,432 INFO L85 PathProgramCache]: Analyzing trace with hash 964380275, now seen corresponding path program 37 times [2022-01-18 01:04:39,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:39,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255239011] [2022-01-18 01:04:39,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:39,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:39,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:39,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255239011] [2022-01-18 01:04:39,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255239011] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:39,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:39,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:39,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501896955] [2022-01-18 01:04:39,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:39,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:39,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:39,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:39,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:39,785 INFO L87 Difference]: Start difference. First operand 5239 states and 13785 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:42,099 INFO L93 Difference]: Finished difference Result 10336 states and 27307 transitions. [2022-01-18 01:04:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:04:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:42,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:42,110 INFO L225 Difference]: With dead ends: 10336 [2022-01-18 01:04:42,110 INFO L226 Difference]: Without dead ends: 10045 [2022-01-18 01:04:42,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=941, Invalid=3091, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:04:42,111 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 929 mSDsluCounter, 7332 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 7606 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:42,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [929 Valid, 7606 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:42,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10045 states. [2022-01-18 01:04:42,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10045 to 5331. [2022-01-18 01:04:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.633020637898687) internal successors, (14034), 5330 states have internal predecessors, (14034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 14034 transitions. [2022-01-18 01:04:42,181 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 14034 transitions. Word has length 135 [2022-01-18 01:04:42,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:42,181 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 14034 transitions. [2022-01-18 01:04:42,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 14034 transitions. [2022-01-18 01:04:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:42,186 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:42,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:42,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 01:04:42,186 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:42,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:42,186 INFO L85 PathProgramCache]: Analyzing trace with hash 672674247, now seen corresponding path program 38 times [2022-01-18 01:04:42,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:42,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560071900] [2022-01-18 01:04:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:42,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:42,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:42,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560071900] [2022-01-18 01:04:42,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560071900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:42,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:42,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:42,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341696364] [2022-01-18 01:04:42,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:42,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:42,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:42,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:42,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:42,541 INFO L87 Difference]: Start difference. First operand 5331 states and 14034 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:44,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:44,497 INFO L93 Difference]: Finished difference Result 10350 states and 27337 transitions. [2022-01-18 01:04:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:04:44,497 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:44,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:44,510 INFO L225 Difference]: With dead ends: 10350 [2022-01-18 01:04:44,510 INFO L226 Difference]: Without dead ends: 10084 [2022-01-18 01:04:44,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=755, Invalid=2785, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:04:44,511 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 904 mSDsluCounter, 7039 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 7310 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:44,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 7310 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10084 states. [2022-01-18 01:04:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10084 to 5335. [2022-01-18 01:04:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.632358455193101) internal successors, (14041), 5334 states have internal predecessors, (14041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14041 transitions. [2022-01-18 01:04:44,588 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14041 transitions. Word has length 135 [2022-01-18 01:04:44,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:44,588 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14041 transitions. [2022-01-18 01:04:44,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14041 transitions. [2022-01-18 01:04:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:44,593 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:44,593 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:44,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 01:04:44,594 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:44,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:44,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1496174225, now seen corresponding path program 39 times [2022-01-18 01:04:44,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:44,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299045989] [2022-01-18 01:04:44,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:44,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:44,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:44,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299045989] [2022-01-18 01:04:44,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299045989] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:44,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:44,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:44,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573980970] [2022-01-18 01:04:44,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:44,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:44,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:44,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:44,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:44,934 INFO L87 Difference]: Start difference. First operand 5335 states and 14041 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:46,893 INFO L93 Difference]: Finished difference Result 10312 states and 27237 transitions. [2022-01-18 01:04:46,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:04:46,894 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:46,905 INFO L225 Difference]: With dead ends: 10312 [2022-01-18 01:04:46,905 INFO L226 Difference]: Without dead ends: 10041 [2022-01-18 01:04:46,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=827, Invalid=2833, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:04:46,906 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 906 mSDsluCounter, 6204 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 6497 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:46,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [906 Valid, 6497 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:04:46,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10041 states. [2022-01-18 01:04:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10041 to 5327. [2022-01-18 01:04:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.632932782576042) internal successors, (14023), 5326 states have internal predecessors, (14023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 14023 transitions. [2022-01-18 01:04:46,982 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 14023 transitions. Word has length 135 [2022-01-18 01:04:46,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:46,982 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 14023 transitions. [2022-01-18 01:04:46,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 14023 transitions. [2022-01-18 01:04:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:46,987 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:46,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:46,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 01:04:46,988 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:46,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:46,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1123394059, now seen corresponding path program 40 times [2022-01-18 01:04:46,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:46,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322572514] [2022-01-18 01:04:46,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:46,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:47,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:47,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322572514] [2022-01-18 01:04:47,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322572514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:47,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:47,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:47,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483231088] [2022-01-18 01:04:47,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:47,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:47,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:47,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:47,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:47,389 INFO L87 Difference]: Start difference. First operand 5327 states and 14023 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:49,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:49,615 INFO L93 Difference]: Finished difference Result 10482 states and 27675 transitions. [2022-01-18 01:04:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:04:49,616 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:49,630 INFO L225 Difference]: With dead ends: 10482 [2022-01-18 01:04:49,630 INFO L226 Difference]: Without dead ends: 10185 [2022-01-18 01:04:49,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=926, Invalid=3364, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:04:49,631 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 977 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 7418 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:49,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [977 Valid, 7418 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:49,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10185 states. [2022-01-18 01:04:49,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10185 to 5331. [2022-01-18 01:04:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6322701688555346) internal successors, (14030), 5330 states have internal predecessors, (14030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:49,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 14030 transitions. [2022-01-18 01:04:49,710 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 14030 transitions. Word has length 135 [2022-01-18 01:04:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:49,710 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 14030 transitions. [2022-01-18 01:04:49,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 14030 transitions. [2022-01-18 01:04:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:49,715 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:49,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:49,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 01:04:49,716 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:49,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:49,716 INFO L85 PathProgramCache]: Analyzing trace with hash 754995457, now seen corresponding path program 41 times [2022-01-18 01:04:49,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:49,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517901368] [2022-01-18 01:04:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:49,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:50,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:50,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517901368] [2022-01-18 01:04:50,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517901368] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:50,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:50,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:50,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282089833] [2022-01-18 01:04:50,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:50,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:50,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:50,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:50,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:50,136 INFO L87 Difference]: Start difference. First operand 5331 states and 14030 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:52,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:52,184 INFO L93 Difference]: Finished difference Result 10366 states and 27377 transitions. [2022-01-18 01:04:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:04:52,184 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:52,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:52,196 INFO L225 Difference]: With dead ends: 10366 [2022-01-18 01:04:52,196 INFO L226 Difference]: Without dead ends: 10100 [2022-01-18 01:04:52,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=784, Invalid=2876, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:04:52,197 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 917 mSDsluCounter, 7042 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 7314 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:52,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [917 Valid, 7314 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:52,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10100 states. [2022-01-18 01:04:52,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10100 to 5335. [2022-01-18 01:04:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6316085489313834) internal successors, (14037), 5334 states have internal predecessors, (14037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14037 transitions. [2022-01-18 01:04:52,271 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14037 transitions. Word has length 135 [2022-01-18 01:04:52,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:52,271 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14037 transitions. [2022-01-18 01:04:52,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14037 transitions. [2022-01-18 01:04:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:52,276 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:52,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:52,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 01:04:52,276 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:52,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1413853015, now seen corresponding path program 42 times [2022-01-18 01:04:52,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:52,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238292125] [2022-01-18 01:04:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:52,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:52,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:52,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238292125] [2022-01-18 01:04:52,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238292125] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:52,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:52,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:52,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564623884] [2022-01-18 01:04:52,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:52,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:52,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:52,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:52,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:52,647 INFO L87 Difference]: Start difference. First operand 5335 states and 14037 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:54,651 INFO L93 Difference]: Finished difference Result 10312 states and 27233 transitions. [2022-01-18 01:04:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:04:54,652 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:54,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:54,665 INFO L225 Difference]: With dead ends: 10312 [2022-01-18 01:04:54,665 INFO L226 Difference]: Without dead ends: 10037 [2022-01-18 01:04:54,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=795, Invalid=2745, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:04:54,666 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 912 mSDsluCounter, 6909 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 7189 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:54,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [912 Valid, 7189 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:54,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2022-01-18 01:04:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 5323. [2022-01-18 01:04:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6328447951897784) internal successors, (14012), 5322 states have internal predecessors, (14012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 14012 transitions. [2022-01-18 01:04:54,749 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 14012 transitions. Word has length 135 [2022-01-18 01:04:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:54,749 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 14012 transitions. [2022-01-18 01:04:54,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 14012 transitions. [2022-01-18 01:04:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:54,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:54,754 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:54,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 01:04:54,754 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:54,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:54,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2033159067, now seen corresponding path program 43 times [2022-01-18 01:04:54,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:54,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582263864] [2022-01-18 01:04:54,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:54,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:55,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:55,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582263864] [2022-01-18 01:04:55,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582263864] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:55,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:55,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:55,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660282760] [2022-01-18 01:04:55,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:55,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:55,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:55,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:55,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:55,116 INFO L87 Difference]: Start difference. First operand 5323 states and 14012 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:57,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:57,660 INFO L93 Difference]: Finished difference Result 10649 states and 28103 transitions. [2022-01-18 01:04:57,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:04:57,660 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:04:57,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:57,671 INFO L225 Difference]: With dead ends: 10649 [2022-01-18 01:04:57,671 INFO L226 Difference]: Without dead ends: 10259 [2022-01-18 01:04:57,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1120, Invalid=3992, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:04:57,672 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 1045 mSDsluCounter, 7288 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 7542 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:57,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1045 Valid, 7542 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10259 states. [2022-01-18 01:04:57,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10259 to 5335. [2022-01-18 01:04:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6308586426696663) internal successors, (14033), 5334 states have internal predecessors, (14033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14033 transitions. [2022-01-18 01:04:57,743 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14033 transitions. Word has length 135 [2022-01-18 01:04:57,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:57,744 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14033 transitions. [2022-01-18 01:04:57,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14033 transitions. [2022-01-18 01:04:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:04:57,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:57,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:57,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 01:04:57,749 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:57,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1868343193, now seen corresponding path program 44 times [2022-01-18 01:04:57,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:57,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935609375] [2022-01-18 01:04:57,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:57,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:04:58,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:58,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935609375] [2022-01-18 01:04:58,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935609375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:58,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:58,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:04:58,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018597473] [2022-01-18 01:04:58,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:58,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:04:58,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:58,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:04:58,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:04:58,100 INFO L87 Difference]: Start difference. First operand 5335 states and 14033 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:00,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:00,404 INFO L93 Difference]: Finished difference Result 10498 states and 27707 transitions. [2022-01-18 01:05:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:05:00,405 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:00,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:00,418 INFO L225 Difference]: With dead ends: 10498 [2022-01-18 01:05:00,418 INFO L226 Difference]: Without dead ends: 10201 [2022-01-18 01:05:00,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=950, Invalid=3472, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:05:00,419 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 985 mSDsluCounter, 7172 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 7435 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:00,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [985 Valid, 7435 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:00,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10201 states. [2022-01-18 01:05:00,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10201 to 5339. [2022-01-18 01:05:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.630198576245785) internal successors, (14040), 5338 states have internal predecessors, (14040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 14040 transitions. [2022-01-18 01:05:00,496 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 14040 transitions. Word has length 135 [2022-01-18 01:05:00,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:00,496 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 14040 transitions. [2022-01-18 01:05:00,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:00,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 14040 transitions. [2022-01-18 01:05:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:00,501 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:00,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:00,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 01:05:00,501 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:00,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash -548234587, now seen corresponding path program 45 times [2022-01-18 01:05:00,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:00,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043164643] [2022-01-18 01:05:00,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:00,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:00,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:00,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043164643] [2022-01-18 01:05:00,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043164643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:00,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:00,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:00,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793766916] [2022-01-18 01:05:00,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:00,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:00,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:00,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:00,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:00,875 INFO L87 Difference]: Start difference. First operand 5339 states and 14040 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:02,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:02,875 INFO L93 Difference]: Finished difference Result 10382 states and 27409 transitions. [2022-01-18 01:05:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:05:02,875 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:02,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:02,889 INFO L225 Difference]: With dead ends: 10382 [2022-01-18 01:05:02,889 INFO L226 Difference]: Without dead ends: 10116 [2022-01-18 01:05:02,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=780, Invalid=2880, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:05:02,890 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 903 mSDsluCounter, 7423 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:02,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 7685 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10116 states. [2022-01-18 01:05:02,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10116 to 5343. [2022-01-18 01:05:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.629539498315238) internal successors, (14047), 5342 states have internal predecessors, (14047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 14047 transitions. [2022-01-18 01:05:02,975 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 14047 transitions. Word has length 135 [2022-01-18 01:05:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:02,975 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 14047 transitions. [2022-01-18 01:05:02,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 14047 transitions. [2022-01-18 01:05:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:02,980 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:02,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:02,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 01:05:02,980 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:02,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:02,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1577884237, now seen corresponding path program 46 times [2022-01-18 01:05:02,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:02,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943483545] [2022-01-18 01:05:02,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:02,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:03,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:03,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943483545] [2022-01-18 01:05:03,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943483545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:03,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:03,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:03,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469754493] [2022-01-18 01:05:03,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:03,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:03,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:03,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:03,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:03,340 INFO L87 Difference]: Start difference. First operand 5343 states and 14047 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:05,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:05,233 INFO L93 Difference]: Finished difference Result 10320 states and 27243 transitions. [2022-01-18 01:05:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:05:05,233 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:05,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:05,246 INFO L225 Difference]: With dead ends: 10320 [2022-01-18 01:05:05,246 INFO L226 Difference]: Without dead ends: 10025 [2022-01-18 01:05:05,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=769, Invalid=2653, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:05:05,247 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 882 mSDsluCounter, 6926 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 7202 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:05,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 7202 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:05,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10025 states. [2022-01-18 01:05:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10025 to 5311. [2022-01-18 01:05:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.632580037664783) internal successors, (13979), 5310 states have internal predecessors, (13979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13979 transitions. [2022-01-18 01:05:05,324 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13979 transitions. Word has length 135 [2022-01-18 01:05:05,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:05,324 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13979 transitions. [2022-01-18 01:05:05,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13979 transitions. [2022-01-18 01:05:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:05,329 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:05,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:05,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 01:05:05,329 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:05,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1233478637, now seen corresponding path program 47 times [2022-01-18 01:05:05,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:05,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033336707] [2022-01-18 01:05:05,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:05,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:05,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:05,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033336707] [2022-01-18 01:05:05,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033336707] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:05,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:05,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:05,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949069911] [2022-01-18 01:05:05,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:05,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:05,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:05,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:05,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:05,694 INFO L87 Difference]: Start difference. First operand 5311 states and 13979 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:08,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:08,520 INFO L93 Difference]: Finished difference Result 10891 states and 28653 transitions. [2022-01-18 01:05:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:05:08,520 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:08,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:08,533 INFO L225 Difference]: With dead ends: 10891 [2022-01-18 01:05:08,533 INFO L226 Difference]: Without dead ends: 10470 [2022-01-18 01:05:08,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1296, Invalid=4404, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:05:08,534 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1275 mSDsluCounter, 7435 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 7684 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:08,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1275 Valid, 7684 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:08,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10470 states. [2022-01-18 01:05:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10470 to 5315. [2022-01-18 01:05:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5315 states, 5314 states have (on average 2.6319156943921715) internal successors, (13986), 5314 states have internal predecessors, (13986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 13986 transitions. [2022-01-18 01:05:08,614 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 13986 transitions. Word has length 135 [2022-01-18 01:05:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:08,614 INFO L470 AbstractCegarLoop]: Abstraction has 5315 states and 13986 transitions. [2022-01-18 01:05:08,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 13986 transitions. [2022-01-18 01:05:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:08,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:08,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:08,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 01:05:08,619 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:08,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:08,619 INFO L85 PathProgramCache]: Analyzing trace with hash -136258499, now seen corresponding path program 48 times [2022-01-18 01:05:08,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:08,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841508345] [2022-01-18 01:05:08,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:08,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:09,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:09,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841508345] [2022-01-18 01:05:09,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841508345] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:09,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:09,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:09,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996966910] [2022-01-18 01:05:09,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:09,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:09,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:09,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:09,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:09,005 INFO L87 Difference]: Start difference. First operand 5315 states and 13986 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:11,631 INFO L93 Difference]: Finished difference Result 10665 states and 28135 transitions. [2022-01-18 01:05:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:05:11,631 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:11,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:11,642 INFO L225 Difference]: With dead ends: 10665 [2022-01-18 01:05:11,642 INFO L226 Difference]: Without dead ends: 10275 [2022-01-18 01:05:11,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1137, Invalid=4119, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:05:11,642 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 1045 mSDsluCounter, 7327 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 7583 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:11,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1045 Valid, 7583 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10275 states. [2022-01-18 01:05:11,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10275 to 5327. [2022-01-18 01:05:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6299286518963574) internal successors, (14007), 5326 states have internal predecessors, (14007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 14007 transitions. [2022-01-18 01:05:11,711 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 14007 transitions. Word has length 135 [2022-01-18 01:05:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:11,711 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 14007 transitions. [2022-01-18 01:05:11,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 14007 transitions. [2022-01-18 01:05:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:11,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:11,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:11,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 01:05:11,716 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:11,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:11,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1281354703, now seen corresponding path program 49 times [2022-01-18 01:05:11,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:11,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119055327] [2022-01-18 01:05:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:11,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:12,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:12,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119055327] [2022-01-18 01:05:12,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119055327] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:12,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:12,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:12,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225031381] [2022-01-18 01:05:12,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:12,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:12,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:12,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:12,075 INFO L87 Difference]: Start difference. First operand 5327 states and 14007 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:14,310 INFO L93 Difference]: Finished difference Result 10514 states and 27739 transitions. [2022-01-18 01:05:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:05:14,310 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:14,323 INFO L225 Difference]: With dead ends: 10514 [2022-01-18 01:05:14,323 INFO L226 Difference]: Without dead ends: 10217 [2022-01-18 01:05:14,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=940, Invalid=3482, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:05:14,324 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 975 mSDsluCounter, 7202 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 7461 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:14,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 7461 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:14,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10217 states. [2022-01-18 01:05:14,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10217 to 5331. [2022-01-18 01:05:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.629268292682927) internal successors, (14014), 5330 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 14014 transitions. [2022-01-18 01:05:14,401 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 14014 transitions. Word has length 135 [2022-01-18 01:05:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:14,401 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 14014 transitions. [2022-01-18 01:05:14,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 14014 transitions. [2022-01-18 01:05:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:14,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:14,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:14,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 01:05:14,406 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:14,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:14,406 INFO L85 PathProgramCache]: Analyzing trace with hash 597034813, now seen corresponding path program 50 times [2022-01-18 01:05:14,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:14,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927839698] [2022-01-18 01:05:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:14,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:14,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:14,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927839698] [2022-01-18 01:05:14,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927839698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:14,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:14,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:14,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445260164] [2022-01-18 01:05:14,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:14,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:14,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:14,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:14,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:14,823 INFO L87 Difference]: Start difference. First operand 5331 states and 14014 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:16,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:16,870 INFO L93 Difference]: Finished difference Result 10398 states and 27441 transitions. [2022-01-18 01:05:16,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:05:16,870 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:16,881 INFO L225 Difference]: With dead ends: 10398 [2022-01-18 01:05:16,882 INFO L226 Difference]: Without dead ends: 10132 [2022-01-18 01:05:16,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=774, Invalid=2886, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:05:16,882 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 903 mSDsluCounter, 7823 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 8075 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:16,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 8075 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:16,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10132 states. [2022-01-18 01:05:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10132 to 5335. [2022-01-18 01:05:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6286089238845145) internal successors, (14021), 5334 states have internal predecessors, (14021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 14021 transitions. [2022-01-18 01:05:16,949 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 14021 transitions. Word has length 135 [2022-01-18 01:05:16,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:16,949 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 14021 transitions. [2022-01-18 01:05:16,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 14021 transitions. [2022-01-18 01:05:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:16,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:16,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:16,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 01:05:16,954 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:16,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:16,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1571813659, now seen corresponding path program 51 times [2022-01-18 01:05:16,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:16,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349488546] [2022-01-18 01:05:16,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:16,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:17,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:17,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349488546] [2022-01-18 01:05:17,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349488546] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:17,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:17,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:17,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569099979] [2022-01-18 01:05:17,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:17,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:17,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:17,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:17,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:17,295 INFO L87 Difference]: Start difference. First operand 5335 states and 14021 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:19,202 INFO L93 Difference]: Finished difference Result 10312 states and 27217 transitions. [2022-01-18 01:05:19,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:05:19,202 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:19,215 INFO L225 Difference]: With dead ends: 10312 [2022-01-18 01:05:19,215 INFO L226 Difference]: Without dead ends: 10021 [2022-01-18 01:05:19,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=741, Invalid=2565, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:05:19,215 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 914 mSDsluCounter, 6898 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 7174 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:19,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 7174 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:19,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10021 states. [2022-01-18 01:05:19,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10021 to 5307. [2022-01-18 01:05:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 5306 states have (on average 2.632491519035055) internal successors, (13968), 5306 states have internal predecessors, (13968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:19,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 13968 transitions. [2022-01-18 01:05:19,290 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 13968 transitions. Word has length 135 [2022-01-18 01:05:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:19,291 INFO L470 AbstractCegarLoop]: Abstraction has 5307 states and 13968 transitions. [2022-01-18 01:05:19,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 13968 transitions. [2022-01-18 01:05:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:19,295 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:19,295 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:19,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 01:05:19,296 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:19,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:19,296 INFO L85 PathProgramCache]: Analyzing trace with hash -232723257, now seen corresponding path program 52 times [2022-01-18 01:05:19,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:19,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252182320] [2022-01-18 01:05:19,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:19,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:19,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:19,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252182320] [2022-01-18 01:05:19,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252182320] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:19,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:19,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:19,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126920921] [2022-01-18 01:05:19,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:19,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:19,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:19,671 INFO L87 Difference]: Start difference. First operand 5307 states and 13968 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:22,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:22,773 INFO L93 Difference]: Finished difference Result 11373 states and 29891 transitions. [2022-01-18 01:05:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:05:22,773 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:22,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:22,785 INFO L225 Difference]: With dead ends: 11373 [2022-01-18 01:05:22,785 INFO L226 Difference]: Without dead ends: 10549 [2022-01-18 01:05:22,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1446, Invalid=4716, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:05:22,786 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 1391 mSDsluCounter, 8250 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 8500 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:22,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1391 Valid, 8500 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:05:22,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10549 states. [2022-01-18 01:05:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10549 to 5359. [2022-01-18 01:05:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5359 states, 5358 states have (on average 2.623926838372527) internal successors, (14059), 5358 states have internal predecessors, (14059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 5359 states and 14059 transitions. [2022-01-18 01:05:22,855 INFO L78 Accepts]: Start accepts. Automaton has 5359 states and 14059 transitions. Word has length 135 [2022-01-18 01:05:22,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:22,855 INFO L470 AbstractCegarLoop]: Abstraction has 5359 states and 14059 transitions. [2022-01-18 01:05:22,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 14059 transitions. [2022-01-18 01:05:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:22,860 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:22,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:22,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 01:05:22,860 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:22,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:22,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1549326399, now seen corresponding path program 53 times [2022-01-18 01:05:22,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:22,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598371859] [2022-01-18 01:05:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:22,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:23,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:23,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598371859] [2022-01-18 01:05:23,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598371859] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:23,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:23,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:23,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100732245] [2022-01-18 01:05:23,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:23,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:23,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:23,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:23,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:23,241 INFO L87 Difference]: Start difference. First operand 5359 states and 14059 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:26,056 INFO L93 Difference]: Finished difference Result 10939 states and 28733 transitions. [2022-01-18 01:05:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:05:26,056 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:26,070 INFO L225 Difference]: With dead ends: 10939 [2022-01-18 01:05:26,070 INFO L226 Difference]: Without dead ends: 10518 [2022-01-18 01:05:26,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1280, Invalid=4420, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:05:26,071 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 1246 mSDsluCounter, 8004 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 8252 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:26,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1246 Valid, 8252 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10518 states. [2022-01-18 01:05:26,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10518 to 5363. [2022-01-18 01:05:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5363 states, 5362 states have (on average 2.6232748974263336) internal successors, (14066), 5362 states have internal predecessors, (14066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5363 states to 5363 states and 14066 transitions. [2022-01-18 01:05:26,158 INFO L78 Accepts]: Start accepts. Automaton has 5363 states and 14066 transitions. Word has length 135 [2022-01-18 01:05:26,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:26,158 INFO L470 AbstractCegarLoop]: Abstraction has 5363 states and 14066 transitions. [2022-01-18 01:05:26,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5363 states and 14066 transitions. [2022-01-18 01:05:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:26,163 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:26,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:26,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 01:05:26,163 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:26,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1648420759, now seen corresponding path program 54 times [2022-01-18 01:05:26,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:26,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420823786] [2022-01-18 01:05:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:26,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:26,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:26,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420823786] [2022-01-18 01:05:26,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420823786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:26,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:26,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:26,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131597120] [2022-01-18 01:05:26,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:26,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:26,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:26,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:26,572 INFO L87 Difference]: Start difference. First operand 5363 states and 14066 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:29,116 INFO L93 Difference]: Finished difference Result 10713 states and 28215 transitions. [2022-01-18 01:05:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:05:29,116 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:29,130 INFO L225 Difference]: With dead ends: 10713 [2022-01-18 01:05:29,130 INFO L226 Difference]: Without dead ends: 10323 [2022-01-18 01:05:29,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1124, Invalid=4132, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:05:29,131 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1023 mSDsluCounter, 7851 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 8103 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:29,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 8103 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:29,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10323 states. [2022-01-18 01:05:29,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10323 to 5375. [2022-01-18 01:05:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5375 states, 5374 states have (on average 2.6213248976553776) internal successors, (14087), 5374 states have internal predecessors, (14087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 5375 states and 14087 transitions. [2022-01-18 01:05:29,211 INFO L78 Accepts]: Start accepts. Automaton has 5375 states and 14087 transitions. Word has length 135 [2022-01-18 01:05:29,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:29,211 INFO L470 AbstractCegarLoop]: Abstraction has 5375 states and 14087 transitions. [2022-01-18 01:05:29,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 14087 transitions. [2022-01-18 01:05:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:29,216 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:29,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:29,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 01:05:29,216 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:29,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1501450333, now seen corresponding path program 55 times [2022-01-18 01:05:29,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:29,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731212411] [2022-01-18 01:05:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:29,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:29,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:29,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731212411] [2022-01-18 01:05:29,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731212411] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:29,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:29,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:29,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957148625] [2022-01-18 01:05:29,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:29,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:29,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:29,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:29,574 INFO L87 Difference]: Start difference. First operand 5375 states and 14087 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:31,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:31,821 INFO L93 Difference]: Finished difference Result 10562 states and 27819 transitions. [2022-01-18 01:05:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:05:31,821 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:31,834 INFO L225 Difference]: With dead ends: 10562 [2022-01-18 01:05:31,835 INFO L226 Difference]: Without dead ends: 10265 [2022-01-18 01:05:31,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=930, Invalid=3492, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:05:31,835 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 990 mSDsluCounter, 7278 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 7545 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:31,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [990 Valid, 7545 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:31,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10265 states. [2022-01-18 01:05:31,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10265 to 5379. [2022-01-18 01:05:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5379 states, 5378 states have (on average 2.620676831535887) internal successors, (14094), 5378 states have internal predecessors, (14094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 14094 transitions. [2022-01-18 01:05:31,933 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 14094 transitions. Word has length 135 [2022-01-18 01:05:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:31,933 INFO L470 AbstractCegarLoop]: Abstraction has 5379 states and 14094 transitions. [2022-01-18 01:05:31,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 14094 transitions. [2022-01-18 01:05:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:31,939 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:31,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:31,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 01:05:31,939 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:31,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:31,939 INFO L85 PathProgramCache]: Analyzing trace with hash -915127447, now seen corresponding path program 56 times [2022-01-18 01:05:31,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:31,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397743148] [2022-01-18 01:05:31,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:31,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:32,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:32,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397743148] [2022-01-18 01:05:32,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397743148] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:32,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:32,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:32,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588077831] [2022-01-18 01:05:32,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:32,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:32,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:32,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:32,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:32,298 INFO L87 Difference]: Start difference. First operand 5379 states and 14094 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:34,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:34,259 INFO L93 Difference]: Finished difference Result 10446 states and 27521 transitions. [2022-01-18 01:05:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:05:34,259 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:34,272 INFO L225 Difference]: With dead ends: 10446 [2022-01-18 01:05:34,272 INFO L226 Difference]: Without dead ends: 10180 [2022-01-18 01:05:34,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=769, Invalid=2891, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:05:34,273 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 919 mSDsluCounter, 7132 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:34,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 7406 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:34,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10180 states. [2022-01-18 01:05:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10180 to 5383. [2022-01-18 01:05:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5383 states, 5382 states have (on average 2.620029728725381) internal successors, (14101), 5382 states have internal predecessors, (14101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 14101 transitions. [2022-01-18 01:05:34,377 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 14101 transitions. Word has length 135 [2022-01-18 01:05:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:34,377 INFO L470 AbstractCegarLoop]: Abstraction has 5383 states and 14101 transitions. [2022-01-18 01:05:34,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 14101 transitions. [2022-01-18 01:05:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:34,382 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:34,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:34,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 01:05:34,382 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:34,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1210991377, now seen corresponding path program 57 times [2022-01-18 01:05:34,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:34,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601383797] [2022-01-18 01:05:34,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:34,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:34,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:34,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601383797] [2022-01-18 01:05:34,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601383797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:34,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:34,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:34,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185816865] [2022-01-18 01:05:34,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:34,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:34,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:34,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:34,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:34,731 INFO L87 Difference]: Start difference. First operand 5383 states and 14101 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:36,628 INFO L93 Difference]: Finished difference Result 10360 states and 27297 transitions. [2022-01-18 01:05:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:05:36,629 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:36,642 INFO L225 Difference]: With dead ends: 10360 [2022-01-18 01:05:36,642 INFO L226 Difference]: Without dead ends: 9969 [2022-01-18 01:05:36,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=739, Invalid=2567, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:05:36,643 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 897 mSDsluCounter, 6995 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 7277 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:36,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [897 Valid, 7277 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2022-01-18 01:05:36,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 5255. [2022-01-18 01:05:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5255 states, 5254 states have (on average 2.6313285116102016) internal successors, (13825), 5254 states have internal predecessors, (13825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 5255 states and 13825 transitions. [2022-01-18 01:05:36,718 INFO L78 Accepts]: Start accepts. Automaton has 5255 states and 13825 transitions. Word has length 135 [2022-01-18 01:05:36,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:36,718 INFO L470 AbstractCegarLoop]: Abstraction has 5255 states and 13825 transitions. [2022-01-18 01:05:36,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5255 states and 13825 transitions. [2022-01-18 01:05:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:36,735 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:36,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:36,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 01:05:36,736 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:36,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash -25589833, now seen corresponding path program 58 times [2022-01-18 01:05:36,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:36,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855232328] [2022-01-18 01:05:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:36,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:37,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:37,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855232328] [2022-01-18 01:05:37,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855232328] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:37,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:37,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:37,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211175952] [2022-01-18 01:05:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:37,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:37,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:37,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:37,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:37,091 INFO L87 Difference]: Start difference. First operand 5255 states and 13825 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:40,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:40,418 INFO L93 Difference]: Finished difference Result 10803 states and 28272 transitions. [2022-01-18 01:05:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-18 01:05:40,418 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:40,431 INFO L225 Difference]: With dead ends: 10803 [2022-01-18 01:05:40,431 INFO L226 Difference]: Without dead ends: 9948 [2022-01-18 01:05:40,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1604, Invalid=5038, Unknown=0, NotChecked=0, Total=6642 [2022-01-18 01:05:40,432 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 1509 mSDsluCounter, 8225 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 8479 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:40,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1509 Valid, 8479 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:05:40,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9948 states. [2022-01-18 01:05:40,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9948 to 5259. [2022-01-18 01:05:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5259 states, 5258 states have (on average 2.6306580448839862) internal successors, (13832), 5258 states have internal predecessors, (13832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 5259 states and 13832 transitions. [2022-01-18 01:05:40,508 INFO L78 Accepts]: Start accepts. Automaton has 5259 states and 13832 transitions. Word has length 135 [2022-01-18 01:05:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:40,508 INFO L470 AbstractCegarLoop]: Abstraction has 5259 states and 13832 transitions. [2022-01-18 01:05:40,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 13832 transitions. [2022-01-18 01:05:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:40,513 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:40,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:40,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 01:05:40,513 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1716407771, now seen corresponding path program 59 times [2022-01-18 01:05:40,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:40,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197800679] [2022-01-18 01:05:40,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:40,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:40,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:40,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197800679] [2022-01-18 01:05:40,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197800679] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:40,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:40,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:40,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653886910] [2022-01-18 01:05:40,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:40,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:40,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:40,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:40,870 INFO L87 Difference]: Start difference. First operand 5259 states and 13832 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:43,953 INFO L93 Difference]: Finished difference Result 10889 states and 28572 transitions. [2022-01-18 01:05:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:05:43,954 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:43,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:43,965 INFO L225 Difference]: With dead ends: 10889 [2022-01-18 01:05:43,965 INFO L226 Difference]: Without dead ends: 10065 [2022-01-18 01:05:43,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1427, Invalid=4735, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:05:43,966 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 1331 mSDsluCounter, 8276 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 8526 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:43,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1331 Valid, 8526 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:05:43,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10065 states. [2022-01-18 01:05:44,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10065 to 5311. [2022-01-18 01:05:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.6220338983050846) internal successors, (13923), 5310 states have internal predecessors, (13923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13923 transitions. [2022-01-18 01:05:44,036 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13923 transitions. Word has length 135 [2022-01-18 01:05:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:44,036 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13923 transitions. [2022-01-18 01:05:44,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13923 transitions. [2022-01-18 01:05:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:44,041 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:44,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:44,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 01:05:44,041 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:44,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:44,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1119777187, now seen corresponding path program 60 times [2022-01-18 01:05:44,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:44,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586103936] [2022-01-18 01:05:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:44,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:44,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:44,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586103936] [2022-01-18 01:05:44,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586103936] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:44,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:44,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:44,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667949404] [2022-01-18 01:05:44,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:44,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:44,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:44,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:44,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:44,384 INFO L87 Difference]: Start difference. First operand 5311 states and 13923 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:47,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:47,137 INFO L93 Difference]: Finished difference Result 10455 states and 27414 transitions. [2022-01-18 01:05:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:05:47,138 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:47,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:47,150 INFO L225 Difference]: With dead ends: 10455 [2022-01-18 01:05:47,151 INFO L226 Difference]: Without dead ends: 10034 [2022-01-18 01:05:47,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1264, Invalid=4436, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:05:47,152 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 1241 mSDsluCounter, 7604 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 7863 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:47,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1241 Valid, 7863 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:47,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10034 states. [2022-01-18 01:05:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10034 to 5315. [2022-01-18 01:05:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5315 states, 5314 states have (on average 2.6213774934136245) internal successors, (13930), 5314 states have internal predecessors, (13930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 5315 states and 13930 transitions. [2022-01-18 01:05:47,258 INFO L78 Accepts]: Start accepts. Automaton has 5315 states and 13930 transitions. Word has length 135 [2022-01-18 01:05:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:47,259 INFO L470 AbstractCegarLoop]: Abstraction has 5315 states and 13930 transitions. [2022-01-18 01:05:47,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 13930 transitions. [2022-01-18 01:05:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:47,263 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:47,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:47,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 01:05:47,264 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:47,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:47,264 INFO L85 PathProgramCache]: Analyzing trace with hash -22557049, now seen corresponding path program 61 times [2022-01-18 01:05:47,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:47,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243684232] [2022-01-18 01:05:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:47,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:47,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:47,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243684232] [2022-01-18 01:05:47,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243684232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:47,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:47,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:47,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44613249] [2022-01-18 01:05:47,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:47,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:47,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:47,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:47,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:47,629 INFO L87 Difference]: Start difference. First operand 5315 states and 13930 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:50,137 INFO L93 Difference]: Finished difference Result 10229 states and 26896 transitions. [2022-01-18 01:05:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:05:50,141 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:50,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:50,153 INFO L225 Difference]: With dead ends: 10229 [2022-01-18 01:05:50,153 INFO L226 Difference]: Without dead ends: 9839 [2022-01-18 01:05:50,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1110, Invalid=4146, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:05:50,154 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1021 mSDsluCounter, 7457 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 7719 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:50,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1021 Valid, 7719 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:50,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9839 states. [2022-01-18 01:05:50,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9839 to 5327. [2022-01-18 01:05:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6194141945174616) internal successors, (13951), 5326 states have internal predecessors, (13951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 13951 transitions. [2022-01-18 01:05:50,229 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 13951 transitions. Word has length 135 [2022-01-18 01:05:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:50,229 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 13951 transitions. [2022-01-18 01:05:50,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 13951 transitions. [2022-01-18 01:05:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:50,233 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:50,234 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:50,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 01:05:50,234 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:50,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:50,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1167653253, now seen corresponding path program 62 times [2022-01-18 01:05:50,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:50,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648050124] [2022-01-18 01:05:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:50,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:50,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:50,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648050124] [2022-01-18 01:05:50,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648050124] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:50,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:50,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:50,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653257916] [2022-01-18 01:05:50,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:50,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:50,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:50,579 INFO L87 Difference]: Start difference. First operand 5327 states and 13951 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:52,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:52,808 INFO L93 Difference]: Finished difference Result 10078 states and 26500 transitions. [2022-01-18 01:05:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:05:52,808 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:52,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:52,819 INFO L225 Difference]: With dead ends: 10078 [2022-01-18 01:05:52,820 INFO L226 Difference]: Without dead ends: 9781 [2022-01-18 01:05:52,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=920, Invalid=3502, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:05:52,820 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 946 mSDsluCounter, 7309 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 7576 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:52,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [946 Valid, 7576 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:52,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2022-01-18 01:05:52,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 5331. [2022-01-18 01:05:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6187617260787994) internal successors, (13958), 5330 states have internal predecessors, (13958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:52,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13958 transitions. [2022-01-18 01:05:52,887 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13958 transitions. Word has length 135 [2022-01-18 01:05:52,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:52,887 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13958 transitions. [2022-01-18 01:05:52,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13958 transitions. [2022-01-18 01:05:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:52,892 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:52,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:52,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 01:05:52,892 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash 710736263, now seen corresponding path program 63 times [2022-01-18 01:05:52,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:52,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156715156] [2022-01-18 01:05:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:52,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:53,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:53,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156715156] [2022-01-18 01:05:53,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156715156] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:53,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:53,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:53,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134010460] [2022-01-18 01:05:53,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:53,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:53,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:53,287 INFO L87 Difference]: Start difference. First operand 5331 states and 13958 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:55,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:55,212 INFO L93 Difference]: Finished difference Result 9962 states and 26202 transitions. [2022-01-18 01:05:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:05:55,212 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:55,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:55,225 INFO L225 Difference]: With dead ends: 9962 [2022-01-18 01:05:55,225 INFO L226 Difference]: Without dead ends: 9696 [2022-01-18 01:05:55,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=763, Invalid=2897, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:05:55,225 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 884 mSDsluCounter, 7163 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 7437 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:55,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [884 Valid, 7437 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:55,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9696 states. [2022-01-18 01:05:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9696 to 5335. [2022-01-18 01:05:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6181102362204722) internal successors, (13965), 5334 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13965 transitions. [2022-01-18 01:05:55,300 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13965 transitions. Word has length 135 [2022-01-18 01:05:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:55,300 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13965 transitions. [2022-01-18 01:05:55,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13965 transitions. [2022-01-18 01:05:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:55,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:55,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:55,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 01:05:55,305 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:55,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:55,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1458112209, now seen corresponding path program 64 times [2022-01-18 01:05:55,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:55,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276522984] [2022-01-18 01:05:55,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:55,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:55,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:55,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276522984] [2022-01-18 01:05:55,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276522984] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:55,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:55,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:55,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32911178] [2022-01-18 01:05:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:55,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:55,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:55,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:55,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:55,680 INFO L87 Difference]: Start difference. First operand 5335 states and 13965 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:57,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:57,592 INFO L93 Difference]: Finished difference Result 9876 states and 25978 transitions. [2022-01-18 01:05:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:05:57,592 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:05:57,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:57,604 INFO L225 Difference]: With dead ends: 9876 [2022-01-18 01:05:57,604 INFO L226 Difference]: Without dead ends: 9529 [2022-01-18 01:05:57,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=737, Invalid=2569, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:05:57,605 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 859 mSDsluCounter, 7414 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 7689 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:57,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 7689 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9529 states. [2022-01-18 01:05:57,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9529 to 5251. [2022-01-18 01:05:57,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 5250 states have (on average 2.6312380952380954) internal successors, (13814), 5250 states have internal predecessors, (13814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 13814 transitions. [2022-01-18 01:05:57,688 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 13814 transitions. Word has length 135 [2022-01-18 01:05:57,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:57,689 INFO L470 AbstractCegarLoop]: Abstraction has 5251 states and 13814 transitions. [2022-01-18 01:05:57,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 13814 transitions. [2022-01-18 01:05:57,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:05:57,693 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:57,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:57,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 01:05:57,693 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:57,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash 150088893, now seen corresponding path program 65 times [2022-01-18 01:05:57,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:57,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458845994] [2022-01-18 01:05:57,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:57,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:05:58,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:58,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458845994] [2022-01-18 01:05:58,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458845994] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:58,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:58,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:05:58,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920892536] [2022-01-18 01:05:58,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:58,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:05:58,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:58,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:05:58,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:05:58,096 INFO L87 Difference]: Start difference. First operand 5251 states and 13814 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:00,416 INFO L93 Difference]: Finished difference Result 10052 states and 26522 transitions. [2022-01-18 01:06:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:06:00,416 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:00,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:00,429 INFO L225 Difference]: With dead ends: 10052 [2022-01-18 01:06:00,429 INFO L226 Difference]: Without dead ends: 9761 [2022-01-18 01:06:00,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=942, Invalid=3090, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:06:00,430 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 888 mSDsluCounter, 7352 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 7629 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:00,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [888 Valid, 7629 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:00,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9761 states. [2022-01-18 01:06:00,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9761 to 5483. [2022-01-18 01:06:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6355344764684423) internal successors, (14448), 5482 states have internal predecessors, (14448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14448 transitions. [2022-01-18 01:06:00,509 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14448 transitions. Word has length 135 [2022-01-18 01:06:00,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:00,509 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14448 transitions. [2022-01-18 01:06:00,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14448 transitions. [2022-01-18 01:06:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:00,514 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:00,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:00,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 01:06:00,514 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:00,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:00,515 INFO L85 PathProgramCache]: Analyzing trace with hash -141617135, now seen corresponding path program 66 times [2022-01-18 01:06:00,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:00,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877113968] [2022-01-18 01:06:00,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:00,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:00,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:00,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877113968] [2022-01-18 01:06:00,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877113968] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:00,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:00,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:00,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656607556] [2022-01-18 01:06:00,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:00,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:00,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:00,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:00,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:00,898 INFO L87 Difference]: Start difference. First operand 5483 states and 14448 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:02,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:02,924 INFO L93 Difference]: Finished difference Result 10066 states and 26552 transitions. [2022-01-18 01:06:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:06:02,925 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:02,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:02,935 INFO L225 Difference]: With dead ends: 10066 [2022-01-18 01:06:02,935 INFO L226 Difference]: Without dead ends: 9800 [2022-01-18 01:06:02,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=761, Invalid=2779, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:06:02,935 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 846 mSDsluCounter, 7451 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 7717 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:02,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 7717 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9800 states. [2022-01-18 01:06:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9800 to 5487. [2022-01-18 01:06:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.63488880787459) internal successors, (14455), 5486 states have internal predecessors, (14455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14455 transitions. [2022-01-18 01:06:03,003 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14455 transitions. Word has length 135 [2022-01-18 01:06:03,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:03,003 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14455 transitions. [2022-01-18 01:06:03,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14455 transitions. [2022-01-18 01:06:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:03,008 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:03,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:03,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 01:06:03,008 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:03,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1984501689, now seen corresponding path program 67 times [2022-01-18 01:06:03,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:03,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875339899] [2022-01-18 01:06:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:03,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:03,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:03,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875339899] [2022-01-18 01:06:03,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875339899] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:03,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:03,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:03,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873498649] [2022-01-18 01:06:03,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:03,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:03,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:03,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:03,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:03,418 INFO L87 Difference]: Start difference. First operand 5487 states and 14455 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:05,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:05,549 INFO L93 Difference]: Finished difference Result 10028 states and 26452 transitions. [2022-01-18 01:06:05,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:06:05,549 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:05,562 INFO L225 Difference]: With dead ends: 10028 [2022-01-18 01:06:05,562 INFO L226 Difference]: Without dead ends: 9757 [2022-01-18 01:06:05,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=826, Invalid=2834, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:06:05,563 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 846 mSDsluCounter, 7338 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 7617 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:05,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 7617 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9757 states. [2022-01-18 01:06:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9757 to 5479. [2022-01-18 01:06:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.635450894487039) internal successors, (14437), 5478 states have internal predecessors, (14437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14437 transitions. [2022-01-18 01:06:05,647 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14437 transitions. Word has length 135 [2022-01-18 01:06:05,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:05,647 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14437 transitions. [2022-01-18 01:06:05,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14437 transitions. [2022-01-18 01:06:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:05,653 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:05,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:05,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 01:06:05,653 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:05,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:05,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1937685441, now seen corresponding path program 68 times [2022-01-18 01:06:05,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:05,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275976394] [2022-01-18 01:06:05,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:05,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:05,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:05,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275976394] [2022-01-18 01:06:05,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275976394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:05,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:05,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:05,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612069861] [2022-01-18 01:06:05,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:05,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:05,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:05,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:05,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:05,996 INFO L87 Difference]: Start difference. First operand 5479 states and 14437 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:08,269 INFO L93 Difference]: Finished difference Result 10198 states and 26890 transitions. [2022-01-18 01:06:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:06:08,269 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:08,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:08,280 INFO L225 Difference]: With dead ends: 10198 [2022-01-18 01:06:08,280 INFO L226 Difference]: Without dead ends: 9901 [2022-01-18 01:06:08,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=936, Invalid=3354, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:06:08,280 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 934 mSDsluCounter, 7171 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 7435 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:08,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [934 Valid, 7435 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:08,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9901 states. [2022-01-18 01:06:08,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9901 to 5483. [2022-01-18 01:06:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6348048157606714) internal successors, (14444), 5482 states have internal predecessors, (14444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14444 transitions. [2022-01-18 01:06:08,352 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14444 transitions. Word has length 135 [2022-01-18 01:06:08,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:08,352 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14444 transitions. [2022-01-18 01:06:08,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14444 transitions. [2022-01-18 01:06:08,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:08,357 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:08,357 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:08,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 01:06:08,357 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:08,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:08,357 INFO L85 PathProgramCache]: Analyzing trace with hash -59295925, now seen corresponding path program 69 times [2022-01-18 01:06:08,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:08,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981672403] [2022-01-18 01:06:08,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:08,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:08,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:08,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981672403] [2022-01-18 01:06:08,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981672403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:08,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:08,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:08,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658414342] [2022-01-18 01:06:08,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:08,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:08,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:08,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:08,706 INFO L87 Difference]: Start difference. First operand 5483 states and 14444 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:10,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:10,727 INFO L93 Difference]: Finished difference Result 10082 states and 26592 transitions. [2022-01-18 01:06:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:06:10,727 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:10,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:10,740 INFO L225 Difference]: With dead ends: 10082 [2022-01-18 01:06:10,740 INFO L226 Difference]: Without dead ends: 9816 [2022-01-18 01:06:10,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=791, Invalid=2869, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:06:10,741 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 865 mSDsluCounter, 7056 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 7331 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:10,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 7331 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9816 states. [2022-01-18 01:06:10,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9816 to 5487. [2022-01-18 01:06:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.6341596791833757) internal successors, (14451), 5486 states have internal predecessors, (14451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14451 transitions. [2022-01-18 01:06:10,821 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14451 transitions. Word has length 135 [2022-01-18 01:06:10,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:10,821 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14451 transitions. [2022-01-18 01:06:10,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14451 transitions. [2022-01-18 01:06:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:10,826 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:10,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:10,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 01:06:10,826 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:10,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:10,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2066822899, now seen corresponding path program 70 times [2022-01-18 01:06:10,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:10,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823738365] [2022-01-18 01:06:10,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:10,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:11,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:11,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823738365] [2022-01-18 01:06:11,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823738365] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:11,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:11,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:11,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226237959] [2022-01-18 01:06:11,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:11,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:11,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:11,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:11,233 INFO L87 Difference]: Start difference. First operand 5487 states and 14451 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:13,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:13,313 INFO L93 Difference]: Finished difference Result 10028 states and 26448 transitions. [2022-01-18 01:06:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:06:13,314 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:13,324 INFO L225 Difference]: With dead ends: 10028 [2022-01-18 01:06:13,324 INFO L226 Difference]: Without dead ends: 9753 [2022-01-18 01:06:13,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=796, Invalid=2744, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:06:13,324 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 851 mSDsluCounter, 6926 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 7209 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:13,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [851 Valid, 7209 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:13,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9753 states. [2022-01-18 01:06:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9753 to 5475. [2022-01-18 01:06:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6353671903544025) internal successors, (14426), 5474 states have internal predecessors, (14426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14426 transitions. [2022-01-18 01:06:13,398 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14426 transitions. Word has length 135 [2022-01-18 01:06:13,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:13,398 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14426 transitions. [2022-01-18 01:06:13,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14426 transitions. [2022-01-18 01:06:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:13,403 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:13,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:13,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 01:06:13,404 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:13,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:13,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1447516847, now seen corresponding path program 71 times [2022-01-18 01:06:13,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:13,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942640386] [2022-01-18 01:06:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:13,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:13,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942640386] [2022-01-18 01:06:13,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942640386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:13,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:13,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:13,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748516140] [2022-01-18 01:06:13,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:13,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:13,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:13,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:13,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:13,752 INFO L87 Difference]: Start difference. First operand 5475 states and 14426 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:16,313 INFO L93 Difference]: Finished difference Result 10365 states and 27318 transitions. [2022-01-18 01:06:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:06:16,313 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:16,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:16,326 INFO L225 Difference]: With dead ends: 10365 [2022-01-18 01:06:16,326 INFO L226 Difference]: Without dead ends: 9975 [2022-01-18 01:06:16,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1134, Invalid=3978, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:06:16,327 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 991 mSDsluCounter, 7302 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 7559 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:16,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [991 Valid, 7559 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states. [2022-01-18 01:06:16,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 5487. [2022-01-18 01:06:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.633430550492162) internal successors, (14447), 5486 states have internal predecessors, (14447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14447 transitions. [2022-01-18 01:06:16,407 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14447 transitions. Word has length 135 [2022-01-18 01:06:16,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:16,407 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14447 transitions. [2022-01-18 01:06:16,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14447 transitions. [2022-01-18 01:06:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:16,412 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:16,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:16,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 01:06:16,412 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:16,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1054051811, now seen corresponding path program 72 times [2022-01-18 01:06:16,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:16,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905120234] [2022-01-18 01:06:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:16,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:16,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:16,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905120234] [2022-01-18 01:06:16,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905120234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:16,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:16,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:16,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176334963] [2022-01-18 01:06:16,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:16,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:16,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:16,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:16,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:16,802 INFO L87 Difference]: Start difference. First operand 5487 states and 14447 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:19,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:19,175 INFO L93 Difference]: Finished difference Result 10214 states and 26922 transitions. [2022-01-18 01:06:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:06:19,175 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:19,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:19,185 INFO L225 Difference]: With dead ends: 10214 [2022-01-18 01:06:19,185 INFO L226 Difference]: Without dead ends: 9917 [2022-01-18 01:06:19,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=959, Invalid=3463, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:06:19,186 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 934 mSDsluCounter, 7185 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 7451 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:19,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [934 Valid, 7451 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:19,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9917 states. [2022-01-18 01:06:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9917 to 5491. [2022-01-18 01:06:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5490 states have (on average 2.6327868852459018) internal successors, (14454), 5490 states have internal predecessors, (14454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 14454 transitions. [2022-01-18 01:06:19,255 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 14454 transitions. Word has length 135 [2022-01-18 01:06:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:19,255 INFO L470 AbstractCegarLoop]: Abstraction has 5491 states and 14454 transitions. [2022-01-18 01:06:19,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 14454 transitions. [2022-01-18 01:06:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:19,260 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:19,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:19,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 01:06:19,260 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:19,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:19,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1362525969, now seen corresponding path program 73 times [2022-01-18 01:06:19,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:19,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986564581] [2022-01-18 01:06:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:19,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:19,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:19,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986564581] [2022-01-18 01:06:19,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986564581] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:19,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:19,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:19,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665958001] [2022-01-18 01:06:19,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:19,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:19,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:19,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:19,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:19,625 INFO L87 Difference]: Start difference. First operand 5491 states and 14454 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:21,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:21,641 INFO L93 Difference]: Finished difference Result 10098 states and 26624 transitions. [2022-01-18 01:06:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:06:21,642 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:21,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:21,655 INFO L225 Difference]: With dead ends: 10098 [2022-01-18 01:06:21,655 INFO L226 Difference]: Without dead ends: 9832 [2022-01-18 01:06:21,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=786, Invalid=2874, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:06:21,656 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 849 mSDsluCounter, 7440 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 7705 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:21,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [849 Valid, 7705 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:21,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9832 states. [2022-01-18 01:06:21,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9832 to 5495. [2022-01-18 01:06:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.632144157262468) internal successors, (14461), 5494 states have internal predecessors, (14461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14461 transitions. [2022-01-18 01:06:21,738 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14461 transitions. Word has length 135 [2022-01-18 01:06:21,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:21,738 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14461 transitions. [2022-01-18 01:06:21,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14461 transitions. [2022-01-18 01:06:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:21,744 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:21,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:21,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 01:06:21,744 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash 763592855, now seen corresponding path program 74 times [2022-01-18 01:06:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355197177] [2022-01-18 01:06:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:21,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:22,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:22,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355197177] [2022-01-18 01:06:22,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355197177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:22,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:22,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:22,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675039145] [2022-01-18 01:06:22,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:22,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:22,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:22,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:22,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:22,114 INFO L87 Difference]: Start difference. First operand 5495 states and 14461 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:24,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:24,073 INFO L93 Difference]: Finished difference Result 10036 states and 26458 transitions. [2022-01-18 01:06:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:06:24,073 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:24,083 INFO L225 Difference]: With dead ends: 10036 [2022-01-18 01:06:24,084 INFO L226 Difference]: Without dead ends: 9741 [2022-01-18 01:06:24,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=769, Invalid=2653, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:06:24,084 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 842 mSDsluCounter, 6912 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 7193 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:24,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 7193 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9741 states. [2022-01-18 01:06:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9741 to 5463. [2022-01-18 01:06:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5463 states, 5462 states have (on average 2.635115342365434) internal successors, (14393), 5462 states have internal predecessors, (14393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5463 states to 5463 states and 14393 transitions. [2022-01-18 01:06:24,153 INFO L78 Accepts]: Start accepts. Automaton has 5463 states and 14393 transitions. Word has length 135 [2022-01-18 01:06:24,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:24,153 INFO L470 AbstractCegarLoop]: Abstraction has 5463 states and 14393 transitions. [2022-01-18 01:06:24,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 5463 states and 14393 transitions. [2022-01-18 01:06:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:24,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:24,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:24,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 01:06:24,159 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:24,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2047770019, now seen corresponding path program 75 times [2022-01-18 01:06:24,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:24,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984151592] [2022-01-18 01:06:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:24,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:24,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:24,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984151592] [2022-01-18 01:06:24,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984151592] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:24,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:24,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:24,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995615011] [2022-01-18 01:06:24,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:24,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:24,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:24,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:24,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:24,533 INFO L87 Difference]: Start difference. First operand 5463 states and 14393 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:27,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:27,381 INFO L93 Difference]: Finished difference Result 10607 states and 27868 transitions. [2022-01-18 01:06:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:06:27,382 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:27,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:27,395 INFO L225 Difference]: With dead ends: 10607 [2022-01-18 01:06:27,395 INFO L226 Difference]: Without dead ends: 10186 [2022-01-18 01:06:27,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1312, Invalid=4388, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:06:27,396 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 1216 mSDsluCounter, 7448 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 7700 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:27,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1216 Valid, 7700 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:27,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10186 states. [2022-01-18 01:06:27,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10186 to 5467. [2022-01-18 01:06:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5467 states, 5466 states have (on average 2.6344676180021955) internal successors, (14400), 5466 states have internal predecessors, (14400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 5467 states and 14400 transitions. [2022-01-18 01:06:27,476 INFO L78 Accepts]: Start accepts. Automaton has 5467 states and 14400 transitions. Word has length 135 [2022-01-18 01:06:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:27,476 INFO L470 AbstractCegarLoop]: Abstraction has 5467 states and 14400 transitions. [2022-01-18 01:06:27,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 14400 transitions. [2022-01-18 01:06:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:27,481 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:27,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:27,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 01:06:27,481 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:27,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash -950549881, now seen corresponding path program 76 times [2022-01-18 01:06:27,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:27,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069047706] [2022-01-18 01:06:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:27,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:27,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:27,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069047706] [2022-01-18 01:06:27,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069047706] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:27,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:27,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:27,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183495817] [2022-01-18 01:06:27,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:27,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:27,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:27,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:27,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:27,830 INFO L87 Difference]: Start difference. First operand 5467 states and 14400 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:30,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:30,447 INFO L93 Difference]: Finished difference Result 10381 states and 27350 transitions. [2022-01-18 01:06:30,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:06:30,447 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:30,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:30,460 INFO L225 Difference]: With dead ends: 10381 [2022-01-18 01:06:30,460 INFO L226 Difference]: Without dead ends: 9991 [2022-01-18 01:06:30,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1152, Invalid=4104, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:06:30,461 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 971 mSDsluCounter, 7759 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 8008 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:30,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [971 Valid, 8008 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:30,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9991 states. [2022-01-18 01:06:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9991 to 5479. [2022-01-18 01:06:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6325301204819276) internal successors, (14421), 5478 states have internal predecessors, (14421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14421 transitions. [2022-01-18 01:06:30,540 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14421 transitions. Word has length 135 [2022-01-18 01:06:30,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:30,540 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14421 transitions. [2022-01-18 01:06:30,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14421 transitions. [2022-01-18 01:06:30,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:30,546 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:30,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:30,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 01:06:30,547 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:30,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:30,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2095646085, now seen corresponding path program 77 times [2022-01-18 01:06:30,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:30,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396225471] [2022-01-18 01:06:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:30,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:30,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:30,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396225471] [2022-01-18 01:06:30,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396225471] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:30,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:30,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:30,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017987501] [2022-01-18 01:06:30,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:30,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:30,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:30,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:30,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:30,883 INFO L87 Difference]: Start difference. First operand 5479 states and 14421 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:33,204 INFO L93 Difference]: Finished difference Result 10230 states and 26954 transitions. [2022-01-18 01:06:33,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:06:33,205 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:33,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:33,218 INFO L225 Difference]: With dead ends: 10230 [2022-01-18 01:06:33,218 INFO L226 Difference]: Without dead ends: 9933 [2022-01-18 01:06:33,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=950, Invalid=3472, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:06:33,219 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 916 mSDsluCounter, 7198 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 7462 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:33,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [916 Valid, 7462 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9933 states. [2022-01-18 01:06:33,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9933 to 5483. [2022-01-18 01:06:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6318861729295877) internal successors, (14428), 5482 states have internal predecessors, (14428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14428 transitions. [2022-01-18 01:06:33,320 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14428 transitions. Word has length 135 [2022-01-18 01:06:33,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:33,320 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14428 transitions. [2022-01-18 01:06:33,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14428 transitions. [2022-01-18 01:06:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:33,327 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:33,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:33,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 01:06:33,327 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:33,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:33,328 INFO L85 PathProgramCache]: Analyzing trace with hash -217256569, now seen corresponding path program 78 times [2022-01-18 01:06:33,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:33,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246198948] [2022-01-18 01:06:33,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:33,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:33,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:33,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246198948] [2022-01-18 01:06:33,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246198948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:33,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:33,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:33,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710263801] [2022-01-18 01:06:33,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:33,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:33,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:33,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:33,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:33,686 INFO L87 Difference]: Start difference. First operand 5483 states and 14428 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:35,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:35,651 INFO L93 Difference]: Finished difference Result 10114 states and 26656 transitions. [2022-01-18 01:06:35,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:06:35,651 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:35,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:35,664 INFO L225 Difference]: With dead ends: 10114 [2022-01-18 01:06:35,664 INFO L226 Difference]: Without dead ends: 9848 [2022-01-18 01:06:35,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=781, Invalid=2879, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:06:35,665 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 859 mSDsluCounter, 7049 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 7320 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:35,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 7320 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:35,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9848 states. [2022-01-18 01:06:35,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9848 to 5487. [2022-01-18 01:06:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.6312431644185197) internal successors, (14435), 5486 states have internal predecessors, (14435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14435 transitions. [2022-01-18 01:06:35,741 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14435 transitions. Word has length 135 [2022-01-18 01:06:35,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:35,742 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14435 transitions. [2022-01-18 01:06:35,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14435 transitions. [2022-01-18 01:06:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:35,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:35,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:35,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 01:06:35,749 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:35,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:35,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1908862255, now seen corresponding path program 79 times [2022-01-18 01:06:35,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:35,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898931058] [2022-01-18 01:06:35,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:35,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:36,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:36,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898931058] [2022-01-18 01:06:36,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898931058] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:36,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:36,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:36,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904989579] [2022-01-18 01:06:36,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:36,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:36,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:36,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:36,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:36,084 INFO L87 Difference]: Start difference. First operand 5487 states and 14435 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:37,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:37,890 INFO L93 Difference]: Finished difference Result 10028 states and 26432 transitions. [2022-01-18 01:06:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:06:37,890 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:37,904 INFO L225 Difference]: With dead ends: 10028 [2022-01-18 01:06:37,904 INFO L226 Difference]: Without dead ends: 9737 [2022-01-18 01:06:37,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=745, Invalid=2561, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:06:37,904 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 834 mSDsluCounter, 6573 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 6855 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:37,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [834 Valid, 6855 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:06:37,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2022-01-18 01:06:37,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 5459. [2022-01-18 01:06:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5459 states, 5458 states have (on average 2.635031146940271) internal successors, (14382), 5458 states have internal predecessors, (14382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5459 states to 5459 states and 14382 transitions. [2022-01-18 01:06:37,979 INFO L78 Accepts]: Start accepts. Automaton has 5459 states and 14382 transitions. Word has length 135 [2022-01-18 01:06:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:37,979 INFO L470 AbstractCegarLoop]: Abstraction has 5459 states and 14382 transitions. [2022-01-18 01:06:37,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5459 states and 14382 transitions. [2022-01-18 01:06:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:37,984 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:37,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:37,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 01:06:37,984 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:37,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:37,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1047014639, now seen corresponding path program 80 times [2022-01-18 01:06:37,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:37,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169461533] [2022-01-18 01:06:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:38,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:38,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169461533] [2022-01-18 01:06:38,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169461533] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:38,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:38,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:38,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538089688] [2022-01-18 01:06:38,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:38,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:38,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:38,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:38,360 INFO L87 Difference]: Start difference. First operand 5459 states and 14382 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:41,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:41,486 INFO L93 Difference]: Finished difference Result 10361 states and 27140 transitions. [2022-01-18 01:06:41,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:06:41,486 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:41,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:41,499 INFO L225 Difference]: With dead ends: 10361 [2022-01-18 01:06:41,499 INFO L226 Difference]: Without dead ends: 9537 [2022-01-18 01:06:41,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1464, Invalid=4698, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:06:41,500 INFO L933 BasicCegarLoop]: 449 mSDtfsCounter, 1327 mSDsluCounter, 7790 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 8054 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:41,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1327 Valid, 8054 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:06:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9537 states. [2022-01-18 01:06:41,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9537 to 5511. [2022-01-18 01:06:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5511 states, 5510 states have (on average 2.626678765880218) internal successors, (14473), 5510 states have internal predecessors, (14473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5511 states to 5511 states and 14473 transitions. [2022-01-18 01:06:41,587 INFO L78 Accepts]: Start accepts. Automaton has 5511 states and 14473 transitions. Word has length 135 [2022-01-18 01:06:41,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:41,587 INFO L470 AbstractCegarLoop]: Abstraction has 5511 states and 14473 transitions. [2022-01-18 01:06:41,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5511 states and 14473 transitions. [2022-01-18 01:06:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:41,592 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:41,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:41,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 01:06:41,592 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:41,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:41,593 INFO L85 PathProgramCache]: Analyzing trace with hash 735035017, now seen corresponding path program 81 times [2022-01-18 01:06:41,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:41,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313542919] [2022-01-18 01:06:41,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:41,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:41,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:41,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313542919] [2022-01-18 01:06:41,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313542919] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:41,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:41,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:41,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699205004] [2022-01-18 01:06:41,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:41,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:41,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:41,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:41,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:41,975 INFO L87 Difference]: Start difference. First operand 5511 states and 14473 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:44,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:44,881 INFO L93 Difference]: Finished difference Result 10187 states and 26677 transitions. [2022-01-18 01:06:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:06:44,881 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:44,892 INFO L225 Difference]: With dead ends: 10187 [2022-01-18 01:06:44,893 INFO L226 Difference]: Without dead ends: 9766 [2022-01-18 01:06:44,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1295, Invalid=4405, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:06:44,893 INFO L933 BasicCegarLoop]: 430 mSDtfsCounter, 1238 mSDsluCounter, 7522 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 7779 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:44,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1238 Valid, 7779 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:44,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2022-01-18 01:06:44,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 5515. [2022-01-18 01:06:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5515 states, 5514 states have (on average 2.6260428001450853) internal successors, (14480), 5514 states have internal predecessors, (14480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 5515 states and 14480 transitions. [2022-01-18 01:06:44,976 INFO L78 Accepts]: Start accepts. Automaton has 5515 states and 14480 transitions. Word has length 135 [2022-01-18 01:06:44,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:44,976 INFO L470 AbstractCegarLoop]: Abstraction has 5515 states and 14480 transitions. [2022-01-18 01:06:44,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 14480 transitions. [2022-01-18 01:06:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:44,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:44,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:44,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 01:06:44,981 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:44,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1832255155, now seen corresponding path program 82 times [2022-01-18 01:06:44,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:44,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134752765] [2022-01-18 01:06:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:44,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:45,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:45,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134752765] [2022-01-18 01:06:45,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134752765] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:45,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:45,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:45,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405346450] [2022-01-18 01:06:45,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:45,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:45,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:45,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:45,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:45,368 INFO L87 Difference]: Start difference. First operand 5515 states and 14480 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:48,033 INFO L93 Difference]: Finished difference Result 9961 states and 26159 transitions. [2022-01-18 01:06:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:06:48,033 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:48,046 INFO L225 Difference]: With dead ends: 9961 [2022-01-18 01:06:48,046 INFO L226 Difference]: Without dead ends: 9571 [2022-01-18 01:06:48,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1137, Invalid=4119, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:06:48,047 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 990 mSDsluCounter, 7851 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 8105 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:48,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [990 Valid, 8105 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:06:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9571 states. [2022-01-18 01:06:48,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9571 to 5527. [2022-01-18 01:06:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5527 states, 5526 states have (on average 2.624140427072023) internal successors, (14501), 5526 states have internal predecessors, (14501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 14501 transitions. [2022-01-18 01:06:48,139 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 14501 transitions. Word has length 135 [2022-01-18 01:06:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:48,139 INFO L470 AbstractCegarLoop]: Abstraction has 5527 states and 14501 transitions. [2022-01-18 01:06:48,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 14501 transitions. [2022-01-18 01:06:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:48,144 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:48,145 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:48,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 01:06:48,145 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash 687158951, now seen corresponding path program 83 times [2022-01-18 01:06:48,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:48,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137627730] [2022-01-18 01:06:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:48,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:48,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:48,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137627730] [2022-01-18 01:06:48,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137627730] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:48,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:48,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:48,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495749509] [2022-01-18 01:06:48,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:48,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:48,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:48,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:48,532 INFO L87 Difference]: Start difference. First operand 5527 states and 14501 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:50,851 INFO L93 Difference]: Finished difference Result 9810 states and 25763 transitions. [2022-01-18 01:06:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:06:50,851 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:50,864 INFO L225 Difference]: With dead ends: 9810 [2022-01-18 01:06:50,864 INFO L226 Difference]: Without dead ends: 9513 [2022-01-18 01:06:50,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=939, Invalid=3483, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:06:50,865 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 932 mSDsluCounter, 7281 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 7550 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:50,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [932 Valid, 7550 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:50,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9513 states. [2022-01-18 01:06:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9513 to 5531. [2022-01-18 01:06:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5531 states, 5530 states have (on average 2.623508137432188) internal successors, (14508), 5530 states have internal predecessors, (14508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5531 states to 5531 states and 14508 transitions. [2022-01-18 01:06:50,955 INFO L78 Accepts]: Start accepts. Automaton has 5531 states and 14508 transitions. Word has length 135 [2022-01-18 01:06:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:50,955 INFO L470 AbstractCegarLoop]: Abstraction has 5531 states and 14508 transitions. [2022-01-18 01:06:50,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5531 states and 14508 transitions. [2022-01-18 01:06:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:50,960 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:50,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:50,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 01:06:50,961 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1729418829, now seen corresponding path program 84 times [2022-01-18 01:06:50,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:50,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043210645] [2022-01-18 01:06:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:50,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:51,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:51,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043210645] [2022-01-18 01:06:51,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043210645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:51,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:51,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:51,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326446153] [2022-01-18 01:06:51,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:51,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:51,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:51,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:51,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:51,322 INFO L87 Difference]: Start difference. First operand 5531 states and 14508 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:53,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:53,299 INFO L93 Difference]: Finished difference Result 9694 states and 25465 transitions. [2022-01-18 01:06:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:06:53,300 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:53,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:53,313 INFO L225 Difference]: With dead ends: 9694 [2022-01-18 01:06:53,313 INFO L226 Difference]: Without dead ends: 9428 [2022-01-18 01:06:53,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=775, Invalid=2885, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:06:53,314 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 860 mSDsluCounter, 7134 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 7410 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:53,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 7410 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:53,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9428 states. [2022-01-18 01:06:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9428 to 5535. [2022-01-18 01:06:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5535 states, 5534 states have (on average 2.6228767618359234) internal successors, (14515), 5534 states have internal predecessors, (14515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5535 states to 5535 states and 14515 transitions. [2022-01-18 01:06:53,401 INFO L78 Accepts]: Start accepts. Automaton has 5535 states and 14515 transitions. Word has length 135 [2022-01-18 01:06:53,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:53,402 INFO L470 AbstractCegarLoop]: Abstraction has 5535 states and 14515 transitions. [2022-01-18 01:06:53,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5535 states and 14515 transitions. [2022-01-18 01:06:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:53,407 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:53,407 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:53,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 01:06:53,407 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:53,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash 396699995, now seen corresponding path program 85 times [2022-01-18 01:06:53,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:53,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093246232] [2022-01-18 01:06:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:53,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:53,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:53,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093246232] [2022-01-18 01:06:53,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093246232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:53,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:53,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:53,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557870850] [2022-01-18 01:06:53,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:53,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:53,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:53,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:53,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:53,805 INFO L87 Difference]: Start difference. First operand 5535 states and 14515 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:55,799 INFO L93 Difference]: Finished difference Result 9608 states and 25241 transitions. [2022-01-18 01:06:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:06:55,799 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:55,811 INFO L225 Difference]: With dead ends: 9608 [2022-01-18 01:06:55,812 INFO L226 Difference]: Without dead ends: 9217 [2022-01-18 01:06:55,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=740, Invalid=2566, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:06:55,812 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 838 mSDsluCounter, 7784 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 8054 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:55,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [838 Valid, 8054 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9217 states. [2022-01-18 01:06:55,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9217 to 5407. [2022-01-18 01:06:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5407 states, 5406 states have (on average 2.6250462449130594) internal successors, (14191), 5406 states have internal predecessors, (14191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 5407 states and 14191 transitions. [2022-01-18 01:06:55,894 INFO L78 Accepts]: Start accepts. Automaton has 5407 states and 14191 transitions. Word has length 135 [2022-01-18 01:06:55,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:55,894 INFO L470 AbstractCegarLoop]: Abstraction has 5407 states and 14191 transitions. [2022-01-18 01:06:55,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5407 states and 14191 transitions. [2022-01-18 01:06:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:55,900 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:55,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:55,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 01:06:55,900 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:55,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:55,900 INFO L85 PathProgramCache]: Analyzing trace with hash 783129917, now seen corresponding path program 86 times [2022-01-18 01:06:55,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:55,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971220347] [2022-01-18 01:06:55,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:55,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:56,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:56,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971220347] [2022-01-18 01:06:56,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971220347] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:56,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:56,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:56,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756804855] [2022-01-18 01:06:56,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:56,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:56,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:56,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:56,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:56,257 INFO L87 Difference]: Start difference. First operand 5407 states and 14191 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:58,550 INFO L93 Difference]: Finished difference Result 9720 states and 25557 transitions. [2022-01-18 01:06:58,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:06:58,551 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:06:58,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:58,564 INFO L225 Difference]: With dead ends: 9720 [2022-01-18 01:06:58,564 INFO L226 Difference]: Without dead ends: 9429 [2022-01-18 01:06:58,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=945, Invalid=3087, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:06:58,565 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 890 mSDsluCounter, 6780 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 7050 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:58,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [890 Valid, 7050 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:58,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9429 states. [2022-01-18 01:06:58,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9429 to 5443. [2022-01-18 01:06:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5442 states have (on average 2.625137816979052) internal successors, (14286), 5442 states have internal predecessors, (14286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 14286 transitions. [2022-01-18 01:06:58,651 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 14286 transitions. Word has length 135 [2022-01-18 01:06:58,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:58,651 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 14286 transitions. [2022-01-18 01:06:58,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 14286 transitions. [2022-01-18 01:06:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:06:58,657 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:58,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:58,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 01:06:58,657 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:58,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:58,657 INFO L85 PathProgramCache]: Analyzing trace with hash 491423889, now seen corresponding path program 87 times [2022-01-18 01:06:58,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:58,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317474171] [2022-01-18 01:06:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:58,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:06:59,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:59,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317474171] [2022-01-18 01:06:59,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317474171] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:59,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:59,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:06:59,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023739934] [2022-01-18 01:06:59,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:59,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:06:59,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:59,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:06:59,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:06:59,019 INFO L87 Difference]: Start difference. First operand 5443 states and 14286 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:01,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:01,007 INFO L93 Difference]: Finished difference Result 9686 states and 25471 transitions. [2022-01-18 01:07:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:07:01,007 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:01,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:01,020 INFO L225 Difference]: With dead ends: 9686 [2022-01-18 01:07:01,020 INFO L226 Difference]: Without dead ends: 9420 [2022-01-18 01:07:01,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=767, Invalid=2773, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:07:01,021 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 840 mSDsluCounter, 7233 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 7483 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:01,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [840 Valid, 7483 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:01,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9420 states. [2022-01-18 01:07:01,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9420 to 5447. [2022-01-18 01:07:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.6244950422328315) internal successors, (14293), 5446 states have internal predecessors, (14293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14293 transitions. [2022-01-18 01:07:01,112 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14293 transitions. Word has length 135 [2022-01-18 01:07:01,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:01,112 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14293 transitions. [2022-01-18 01:07:01,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14293 transitions. [2022-01-18 01:07:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:01,118 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:01,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:01,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 01:07:01,118 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:01,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1677424583, now seen corresponding path program 88 times [2022-01-18 01:07:01,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:01,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18761865] [2022-01-18 01:07:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:01,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:01,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:01,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18761865] [2022-01-18 01:07:01,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18761865] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:01,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:01,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:01,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961082727] [2022-01-18 01:07:01,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:01,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:01,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:01,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:01,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:01,475 INFO L87 Difference]: Start difference. First operand 5447 states and 14293 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:03,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:03,568 INFO L93 Difference]: Finished difference Result 9648 states and 25371 transitions. [2022-01-18 01:07:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:03,568 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:03,581 INFO L225 Difference]: With dead ends: 9648 [2022-01-18 01:07:03,581 INFO L226 Difference]: Without dead ends: 9377 [2022-01-18 01:07:03,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=829, Invalid=2831, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:03,582 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 832 mSDsluCounter, 6770 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 7042 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:03,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [832 Valid, 7042 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9377 states. [2022-01-18 01:07:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9377 to 5439. [2022-01-18 01:07:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5438 states have (on average 2.625045972784112) internal successors, (14275), 5438 states have internal predecessors, (14275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 14275 transitions. [2022-01-18 01:07:03,667 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 14275 transitions. Word has length 135 [2022-01-18 01:07:03,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:03,667 INFO L470 AbstractCegarLoop]: Abstraction has 5439 states and 14275 transitions. [2022-01-18 01:07:03,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 14275 transitions. [2022-01-18 01:07:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:03,673 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:03,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:03,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 01:07:03,673 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:03,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1304644417, now seen corresponding path program 89 times [2022-01-18 01:07:03,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:03,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157015462] [2022-01-18 01:07:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:03,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:04,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:04,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157015462] [2022-01-18 01:07:04,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157015462] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:04,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:04,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:04,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038425365] [2022-01-18 01:07:04,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:04,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:04,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:04,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:04,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:04,034 INFO L87 Difference]: Start difference. First operand 5439 states and 14275 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:06,286 INFO L93 Difference]: Finished difference Result 9818 states and 25809 transitions. [2022-01-18 01:07:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:07:06,286 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:06,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:06,299 INFO L225 Difference]: With dead ends: 9818 [2022-01-18 01:07:06,299 INFO L226 Difference]: Without dead ends: 9521 [2022-01-18 01:07:06,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=946, Invalid=3344, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:07:06,300 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 910 mSDsluCounter, 6969 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 7217 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:06,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [910 Valid, 7217 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9521 states. [2022-01-18 01:07:06,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9521 to 5443. [2022-01-18 01:07:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5442 states have (on average 2.6244027930907756) internal successors, (14282), 5442 states have internal predecessors, (14282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 14282 transitions. [2022-01-18 01:07:06,384 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 14282 transitions. Word has length 135 [2022-01-18 01:07:06,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:06,384 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 14282 transitions. [2022-01-18 01:07:06,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 14282 transitions. [2022-01-18 01:07:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:06,389 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:06,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:06,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 01:07:06,389 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:06,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash 573745099, now seen corresponding path program 90 times [2022-01-18 01:07:06,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:06,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275240736] [2022-01-18 01:07:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:06,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:06,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:06,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275240736] [2022-01-18 01:07:06,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275240736] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:06,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:06,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:06,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053397968] [2022-01-18 01:07:06,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:06,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:06,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:06,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:06,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:06,745 INFO L87 Difference]: Start difference. First operand 5443 states and 14282 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:08,791 INFO L93 Difference]: Finished difference Result 9702 states and 25511 transitions. [2022-01-18 01:07:08,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:08,792 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:08,805 INFO L225 Difference]: With dead ends: 9702 [2022-01-18 01:07:08,805 INFO L226 Difference]: Without dead ends: 9436 [2022-01-18 01:07:08,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=797, Invalid=2863, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:08,806 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 835 mSDsluCounter, 7243 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 7494 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:08,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [835 Valid, 7494 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:08,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9436 states. [2022-01-18 01:07:08,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9436 to 5447. [2022-01-18 01:07:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.623760558207859) internal successors, (14289), 5446 states have internal predecessors, (14289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14289 transitions. [2022-01-18 01:07:08,892 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14289 transitions. Word has length 135 [2022-01-18 01:07:08,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:08,892 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14289 transitions. [2022-01-18 01:07:08,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14289 transitions. [2022-01-18 01:07:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:08,897 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:08,898 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:08,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 01:07:08,898 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:08,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1595103373, now seen corresponding path program 91 times [2022-01-18 01:07:08,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:08,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291671508] [2022-01-18 01:07:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:08,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:09,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:09,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291671508] [2022-01-18 01:07:09,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291671508] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:09,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:09,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:09,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426789845] [2022-01-18 01:07:09,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:09,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:09,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:09,256 INFO L87 Difference]: Start difference. First operand 5447 states and 14289 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:11,261 INFO L93 Difference]: Finished difference Result 9648 states and 25367 transitions. [2022-01-18 01:07:11,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:07:11,262 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:11,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:11,274 INFO L225 Difference]: With dead ends: 9648 [2022-01-18 01:07:11,274 INFO L226 Difference]: Without dead ends: 9373 [2022-01-18 01:07:11,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=799, Invalid=2741, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:07:11,275 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 818 mSDsluCounter, 7125 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 7387 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:11,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [818 Valid, 7387 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9373 states. [2022-01-18 01:07:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9373 to 5435. [2022-01-18 01:07:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5435 states, 5434 states have (on average 2.624953993375046) internal successors, (14264), 5434 states have internal predecessors, (14264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 14264 transitions. [2022-01-18 01:07:11,367 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 14264 transitions. Word has length 135 [2022-01-18 01:07:11,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:11,367 INFO L470 AbstractCegarLoop]: Abstraction has 5435 states and 14264 transitions. [2022-01-18 01:07:11,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 14264 transitions. [2022-01-18 01:07:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:11,373 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:11,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:11,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 01:07:11,373 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:11,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2080557871, now seen corresponding path program 92 times [2022-01-18 01:07:11,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:11,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791868547] [2022-01-18 01:07:11,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:11,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:11,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:11,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791868547] [2022-01-18 01:07:11,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791868547] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:11,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:11,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:11,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58162194] [2022-01-18 01:07:11,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:11,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:11,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:11,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:11,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:11,715 INFO L87 Difference]: Start difference. First operand 5435 states and 14264 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:14,316 INFO L93 Difference]: Finished difference Result 9985 states and 26237 transitions. [2022-01-18 01:07:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:07:14,316 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:14,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:14,329 INFO L225 Difference]: With dead ends: 9985 [2022-01-18 01:07:14,329 INFO L226 Difference]: Without dead ends: 9595 [2022-01-18 01:07:14,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1148, Invalid=3964, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:07:14,330 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 977 mSDsluCounter, 7105 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 7346 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:14,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [977 Valid, 7346 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:14,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9595 states. [2022-01-18 01:07:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9595 to 5447. [2022-01-18 01:07:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.6230260741828864) internal successors, (14285), 5446 states have internal predecessors, (14285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14285 transitions. [2022-01-18 01:07:14,412 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14285 transitions. Word has length 135 [2022-01-18 01:07:14,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:14,412 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14285 transitions. [2022-01-18 01:07:14,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14285 transitions. [2022-01-18 01:07:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:14,417 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:14,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:14,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 01:07:14,417 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:14,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1687092835, now seen corresponding path program 93 times [2022-01-18 01:07:14,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:14,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742787844] [2022-01-18 01:07:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:14,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:14,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:14,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742787844] [2022-01-18 01:07:14,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742787844] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:14,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:14,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:14,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685417075] [2022-01-18 01:07:14,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:14,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:14,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:14,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:14,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:14,786 INFO L87 Difference]: Start difference. First operand 5447 states and 14285 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:17,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:17,119 INFO L93 Difference]: Finished difference Result 9834 states and 25841 transitions. [2022-01-18 01:07:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:07:17,120 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:17,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:17,133 INFO L225 Difference]: With dead ends: 9834 [2022-01-18 01:07:17,133 INFO L226 Difference]: Without dead ends: 9537 [2022-01-18 01:07:17,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=970, Invalid=3452, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:07:17,134 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 890 mSDsluCounter, 7769 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 8001 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:17,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [890 Valid, 8001 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9537 states. [2022-01-18 01:07:17,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9537 to 5451. [2022-01-18 01:07:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 2.6223853211009174) internal successors, (14292), 5450 states have internal predecessors, (14292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 14292 transitions. [2022-01-18 01:07:17,226 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 14292 transitions. Word has length 135 [2022-01-18 01:07:17,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:17,226 INFO L470 AbstractCegarLoop]: Abstraction has 5451 states and 14292 transitions. [2022-01-18 01:07:17,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 14292 transitions. [2022-01-18 01:07:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:17,232 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:17,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:17,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 01:07:17,232 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:17,233 INFO L85 PathProgramCache]: Analyzing trace with hash -729484945, now seen corresponding path program 94 times [2022-01-18 01:07:17,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:17,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895724032] [2022-01-18 01:07:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:17,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:17,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:17,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895724032] [2022-01-18 01:07:17,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895724032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:17,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:17,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:17,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943853435] [2022-01-18 01:07:17,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:17,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:17,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:17,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:17,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:17,613 INFO L87 Difference]: Start difference. First operand 5451 states and 14292 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:19,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:19,648 INFO L93 Difference]: Finished difference Result 9718 states and 25543 transitions. [2022-01-18 01:07:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:19,648 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:19,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:19,661 INFO L225 Difference]: With dead ends: 9718 [2022-01-18 01:07:19,661 INFO L226 Difference]: Without dead ends: 9452 [2022-01-18 01:07:19,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=791, Invalid=2869, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:19,662 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 853 mSDsluCounter, 6846 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 7103 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:19,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 7103 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:19,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2022-01-18 01:07:19,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 5455. [2022-01-18 01:07:19,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.6217455078841216) internal successors, (14299), 5454 states have internal predecessors, (14299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14299 transitions. [2022-01-18 01:07:19,744 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14299 transitions. Word has length 135 [2022-01-18 01:07:19,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:19,744 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14299 transitions. [2022-01-18 01:07:19,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14299 transitions. [2022-01-18 01:07:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:19,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:19,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:19,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 01:07:19,749 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:19,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:19,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1396633879, now seen corresponding path program 95 times [2022-01-18 01:07:19,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:19,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087245035] [2022-01-18 01:07:19,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:19,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:20,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:20,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087245035] [2022-01-18 01:07:20,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087245035] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:20,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:20,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:20,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467152228] [2022-01-18 01:07:20,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:20,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:20,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:20,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:20,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:20,127 INFO L87 Difference]: Start difference. First operand 5455 states and 14299 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:22,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:22,080 INFO L93 Difference]: Finished difference Result 9656 states and 25377 transitions. [2022-01-18 01:07:22,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:07:22,080 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:22,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:22,093 INFO L225 Difference]: With dead ends: 9656 [2022-01-18 01:07:22,093 INFO L226 Difference]: Without dead ends: 9361 [2022-01-18 01:07:22,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=771, Invalid=2651, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:07:22,094 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 817 mSDsluCounter, 6740 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 7007 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:22,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [817 Valid, 7007 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:22,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9361 states. [2022-01-18 01:07:22,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9361 to 5423. [2022-01-18 01:07:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5423 states, 5422 states have (on average 2.6246772408705277) internal successors, (14231), 5422 states have internal predecessors, (14231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 14231 transitions. [2022-01-18 01:07:22,173 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 14231 transitions. Word has length 135 [2022-01-18 01:07:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:22,173 INFO L470 AbstractCegarLoop]: Abstraction has 5423 states and 14231 transitions. [2022-01-18 01:07:22,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 14231 transitions. [2022-01-18 01:07:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:22,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:22,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:22,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 01:07:22,178 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:22,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:22,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1414728995, now seen corresponding path program 96 times [2022-01-18 01:07:22,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:22,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23351575] [2022-01-18 01:07:22,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:22,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:22,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:22,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23351575] [2022-01-18 01:07:22,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23351575] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:22,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:22,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:22,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55077042] [2022-01-18 01:07:22,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:22,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:22,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:22,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:22,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:22,520 INFO L87 Difference]: Start difference. First operand 5423 states and 14231 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:25,446 INFO L93 Difference]: Finished difference Result 9823 states and 25696 transitions. [2022-01-18 01:07:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:07:25,446 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:25,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:25,456 INFO L225 Difference]: With dead ends: 9823 [2022-01-18 01:07:25,456 INFO L226 Difference]: Without dead ends: 9402 [2022-01-18 01:07:25,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1328, Invalid=4372, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:07:25,457 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 1178 mSDsluCounter, 7645 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 7870 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:25,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1178 Valid, 7870 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2022-01-18 01:07:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 5427. [2022-01-18 01:07:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5427 states, 5426 states have (on average 2.6240324364172505) internal successors, (14238), 5426 states have internal predecessors, (14238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5427 states to 5427 states and 14238 transitions. [2022-01-18 01:07:25,527 INFO L78 Accepts]: Start accepts. Automaton has 5427 states and 14238 transitions. Word has length 135 [2022-01-18 01:07:25,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:25,527 INFO L470 AbstractCegarLoop]: Abstraction has 5427 states and 14238 transitions. [2022-01-18 01:07:25,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5427 states and 14238 transitions. [2022-01-18 01:07:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:25,532 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:25,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:25,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 01:07:25,533 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:25,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:25,533 INFO L85 PathProgramCache]: Analyzing trace with hash -317508857, now seen corresponding path program 97 times [2022-01-18 01:07:25,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:25,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027797094] [2022-01-18 01:07:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:25,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:25,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:25,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027797094] [2022-01-18 01:07:25,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027797094] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:25,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:25,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:25,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068368317] [2022-01-18 01:07:25,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:25,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:25,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:25,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:25,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:25,869 INFO L87 Difference]: Start difference. First operand 5427 states and 14238 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:28,452 INFO L93 Difference]: Finished difference Result 9813 states and 25760 transitions. [2022-01-18 01:07:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:07:28,453 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:28,466 INFO L225 Difference]: With dead ends: 9813 [2022-01-18 01:07:28,466 INFO L226 Difference]: Without dead ends: 9423 [2022-01-18 01:07:28,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1166, Invalid=4090, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:07:28,467 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 989 mSDsluCounter, 7125 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 7362 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:28,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [989 Valid, 7362 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:28,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2022-01-18 01:07:28,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 5439. [2022-01-18 01:07:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5438 states have (on average 2.6221037146009563) internal successors, (14259), 5438 states have internal predecessors, (14259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 14259 transitions. [2022-01-18 01:07:28,554 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 14259 transitions. Word has length 135 [2022-01-18 01:07:28,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:28,554 INFO L470 AbstractCegarLoop]: Abstraction has 5439 states and 14259 transitions. [2022-01-18 01:07:28,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 14259 transitions. [2022-01-18 01:07:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:28,560 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:28,560 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:28,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 01:07:28,560 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:28,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1462605061, now seen corresponding path program 98 times [2022-01-18 01:07:28,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:28,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861261346] [2022-01-18 01:07:28,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:28,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:28,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:28,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861261346] [2022-01-18 01:07:28,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861261346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:28,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:28,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:28,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217680884] [2022-01-18 01:07:28,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:28,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:28,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:28,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:28,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:28,926 INFO L87 Difference]: Start difference. First operand 5439 states and 14259 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:31,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:31,229 INFO L93 Difference]: Finished difference Result 9662 states and 25364 transitions. [2022-01-18 01:07:31,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:07:31,229 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:31,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:31,240 INFO L225 Difference]: With dead ends: 9662 [2022-01-18 01:07:31,240 INFO L226 Difference]: Without dead ends: 9365 [2022-01-18 01:07:31,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=960, Invalid=3462, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:07:31,240 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 899 mSDsluCounter, 7388 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 7627 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:31,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [899 Valid, 7627 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9365 states. [2022-01-18 01:07:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9365 to 5443. [2022-01-18 01:07:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5442 states have (on average 2.62146269753767) internal successors, (14266), 5442 states have internal predecessors, (14266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 14266 transitions. [2022-01-18 01:07:31,311 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 14266 transitions. Word has length 135 [2022-01-18 01:07:31,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:31,311 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 14266 transitions. [2022-01-18 01:07:31,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 14266 transitions. [2022-01-18 01:07:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:31,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:31,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:31,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 01:07:31,316 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:31,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash 415784455, now seen corresponding path program 99 times [2022-01-18 01:07:31,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:31,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859409569] [2022-01-18 01:07:31,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:31,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:31,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:31,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859409569] [2022-01-18 01:07:31,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859409569] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:31,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:31,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:31,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973685432] [2022-01-18 01:07:31,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:31,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:31,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:31,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:31,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:31,671 INFO L87 Difference]: Start difference. First operand 5443 states and 14266 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:33,661 INFO L93 Difference]: Finished difference Result 9546 states and 25066 transitions. [2022-01-18 01:07:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:33,662 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:33,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:33,674 INFO L225 Difference]: With dead ends: 9546 [2022-01-18 01:07:33,675 INFO L226 Difference]: Without dead ends: 9280 [2022-01-18 01:07:33,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=787, Invalid=2873, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:33,675 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 838 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 7109 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:33,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [838 Valid, 7109 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9280 states. [2022-01-18 01:07:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9280 to 5447. [2022-01-18 01:07:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.620822622107969) internal successors, (14273), 5446 states have internal predecessors, (14273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14273 transitions. [2022-01-18 01:07:33,762 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14273 transitions. Word has length 135 [2022-01-18 01:07:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:33,762 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14273 transitions. [2022-01-18 01:07:33,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14273 transitions. [2022-01-18 01:07:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:33,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:33,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:33,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 01:07:33,768 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:33,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1753064017, now seen corresponding path program 100 times [2022-01-18 01:07:33,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:33,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729077573] [2022-01-18 01:07:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:33,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:34,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:34,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729077573] [2022-01-18 01:07:34,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729077573] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:34,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:34,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:34,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45700365] [2022-01-18 01:07:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:34,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:34,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:34,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:34,173 INFO L87 Difference]: Start difference. First operand 5447 states and 14273 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:36,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:36,132 INFO L93 Difference]: Finished difference Result 9484 states and 24900 transitions. [2022-01-18 01:07:36,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:07:36,133 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:36,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:36,143 INFO L225 Difference]: With dead ends: 9484 [2022-01-18 01:07:36,143 INFO L226 Difference]: Without dead ends: 9193 [2022-01-18 01:07:36,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=744, Invalid=2562, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:07:36,143 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 833 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 6981 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:36,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 6981 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9193 states. [2022-01-18 01:07:36,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9193 to 5419. [2022-01-18 01:07:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5419 states, 5418 states have (on average 2.6245847176079735) internal successors, (14220), 5418 states have internal predecessors, (14220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5419 states to 5419 states and 14220 transitions. [2022-01-18 01:07:36,211 INFO L78 Accepts]: Start accepts. Automaton has 5419 states and 14220 transitions. Word has length 135 [2022-01-18 01:07:36,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:36,211 INFO L470 AbstractCegarLoop]: Abstraction has 5419 states and 14220 transitions. [2022-01-18 01:07:36,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5419 states and 14220 transitions. [2022-01-18 01:07:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:36,216 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:36,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:36,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 01:07:36,216 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:36,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:36,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1841021743, now seen corresponding path program 101 times [2022-01-18 01:07:36,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:36,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544309928] [2022-01-18 01:07:36,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:36,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:36,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:36,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544309928] [2022-01-18 01:07:36,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544309928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:36,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:36,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:36,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431229082] [2022-01-18 01:07:36,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:36,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:36,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:36,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:36,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:36,562 INFO L87 Difference]: Start difference. First operand 5419 states and 14220 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:38,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:38,886 INFO L93 Difference]: Finished difference Result 9636 states and 25322 transitions. [2022-01-18 01:07:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:07:38,886 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:38,899 INFO L225 Difference]: With dead ends: 9636 [2022-01-18 01:07:38,899 INFO L226 Difference]: Without dead ends: 9345 [2022-01-18 01:07:38,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=967, Invalid=3193, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:07:38,900 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 917 mSDsluCounter, 7106 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 7364 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:38,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [917 Valid, 7364 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:38,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9345 states. [2022-01-18 01:07:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9345 to 5475. [2022-01-18 01:07:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6251370113262698) internal successors, (14370), 5474 states have internal predecessors, (14370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14370 transitions. [2022-01-18 01:07:38,983 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14370 transitions. Word has length 135 [2022-01-18 01:07:38,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:38,983 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14370 transitions. [2022-01-18 01:07:38,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14370 transitions. [2022-01-18 01:07:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:38,988 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:38,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:38,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 01:07:38,988 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:38,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:38,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2132727771, now seen corresponding path program 102 times [2022-01-18 01:07:38,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:38,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934570771] [2022-01-18 01:07:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:38,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:39,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:39,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934570771] [2022-01-18 01:07:39,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934570771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:39,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:39,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:39,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550450951] [2022-01-18 01:07:39,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:39,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:39,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:39,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:39,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:39,356 INFO L87 Difference]: Start difference. First operand 5475 states and 14370 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:41,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:41,380 INFO L93 Difference]: Finished difference Result 9586 states and 25192 transitions. [2022-01-18 01:07:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:07:41,380 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:41,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:41,391 INFO L225 Difference]: With dead ends: 9586 [2022-01-18 01:07:41,391 INFO L226 Difference]: Without dead ends: 9320 [2022-01-18 01:07:41,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=772, Invalid=2768, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:07:41,391 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 869 mSDsluCounter, 6783 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 7031 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:41,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [869 Valid, 7031 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:41,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9320 states. [2022-01-18 01:07:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9320 to 5479. [2022-01-18 01:07:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6244979919678717) internal successors, (14377), 5478 states have internal predecessors, (14377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14377 transitions. [2022-01-18 01:07:41,465 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14377 transitions. Word has length 135 [2022-01-18 01:07:41,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:41,465 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14377 transitions. [2022-01-18 01:07:41,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14377 transitions. [2022-01-18 01:07:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:41,470 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:41,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:41,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 01:07:41,470 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:41,471 INFO L85 PathProgramCache]: Analyzing trace with hash -6608947, now seen corresponding path program 103 times [2022-01-18 01:07:41,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:41,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501358134] [2022-01-18 01:07:41,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:41,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:41,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:41,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501358134] [2022-01-18 01:07:41,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501358134] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:41,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:41,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:41,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815515761] [2022-01-18 01:07:41,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:41,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:41,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:41,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:41,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:41,855 INFO L87 Difference]: Start difference. First operand 5479 states and 14377 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:43,914 INFO L93 Difference]: Finished difference Result 9548 states and 25092 transitions. [2022-01-18 01:07:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:43,914 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:43,925 INFO L225 Difference]: With dead ends: 9548 [2022-01-18 01:07:43,926 INFO L226 Difference]: Without dead ends: 9277 [2022-01-18 01:07:43,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=824, Invalid=2836, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:43,926 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 855 mSDsluCounter, 6692 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 6957 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:43,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 6957 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:43,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9277 states. [2022-01-18 01:07:43,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9277 to 5471. [2022-01-18 01:07:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5471 states, 5470 states have (on average 2.6250457038391226) internal successors, (14359), 5470 states have internal predecessors, (14359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 14359 transitions. [2022-01-18 01:07:43,999 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 14359 transitions. Word has length 135 [2022-01-18 01:07:43,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:43,999 INFO L470 AbstractCegarLoop]: Abstraction has 5471 states and 14359 transitions. [2022-01-18 01:07:43,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 14359 transitions. [2022-01-18 01:07:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:44,004 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:44,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:44,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 01:07:44,004 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:44,004 INFO L85 PathProgramCache]: Analyzing trace with hash 366171219, now seen corresponding path program 104 times [2022-01-18 01:07:44,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910110191] [2022-01-18 01:07:44,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:44,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:44,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:44,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910110191] [2022-01-18 01:07:44,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910110191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:44,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:44,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:44,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672818182] [2022-01-18 01:07:44,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:44,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:44,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:44,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:44,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:44,346 INFO L87 Difference]: Start difference. First operand 5471 states and 14359 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:46,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:46,633 INFO L93 Difference]: Finished difference Result 9718 states and 25530 transitions. [2022-01-18 01:07:46,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:07:46,633 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:46,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:46,644 INFO L225 Difference]: With dead ends: 9718 [2022-01-18 01:07:46,644 INFO L226 Difference]: Without dead ends: 9421 [2022-01-18 01:07:46,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=956, Invalid=3334, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:07:46,645 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 945 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 7119 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:46,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [945 Valid, 7119 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:46,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9421 states. [2022-01-18 01:07:46,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9421 to 5475. [2022-01-18 01:07:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6244062842528315) internal successors, (14366), 5474 states have internal predecessors, (14366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14366 transitions. [2022-01-18 01:07:46,720 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14366 transitions. Word has length 135 [2022-01-18 01:07:46,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:46,720 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14366 transitions. [2022-01-18 01:07:46,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14366 transitions. [2022-01-18 01:07:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:46,725 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:46,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:46,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 01:07:46,726 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:46,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2050406561, now seen corresponding path program 105 times [2022-01-18 01:07:46,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:46,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661716704] [2022-01-18 01:07:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:46,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:47,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:47,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661716704] [2022-01-18 01:07:47,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661716704] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:47,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:47,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:47,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686620653] [2022-01-18 01:07:47,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:47,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:47,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:47,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:47,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:47,080 INFO L87 Difference]: Start difference. First operand 5475 states and 14366 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:49,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:49,083 INFO L93 Difference]: Finished difference Result 9602 states and 25232 transitions. [2022-01-18 01:07:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:49,083 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:49,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:49,095 INFO L225 Difference]: With dead ends: 9602 [2022-01-18 01:07:49,095 INFO L226 Difference]: Without dead ends: 9336 [2022-01-18 01:07:49,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=802, Invalid=2858, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:49,095 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 873 mSDsluCounter, 6788 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 7037 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:49,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [873 Valid, 7037 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:49,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9336 states. [2022-01-18 01:07:49,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9336 to 5479. [2022-01-18 01:07:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6237677984665937) internal successors, (14373), 5478 states have internal predecessors, (14373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14373 transitions. [2022-01-18 01:07:49,161 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14373 transitions. Word has length 135 [2022-01-18 01:07:49,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:49,161 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14373 transitions. [2022-01-18 01:07:49,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14373 transitions. [2022-01-18 01:07:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:49,165 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:49,165 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:49,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 01:07:49,165 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:49,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:49,166 INFO L85 PathProgramCache]: Analyzing trace with hash 75712263, now seen corresponding path program 106 times [2022-01-18 01:07:49,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:49,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724227492] [2022-01-18 01:07:49,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:49,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:49,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:49,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724227492] [2022-01-18 01:07:49,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724227492] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:49,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:49,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:49,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018105628] [2022-01-18 01:07:49,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:49,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:49,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:49,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:49,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:49,525 INFO L87 Difference]: Start difference. First operand 5479 states and 14373 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:51,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:51,537 INFO L93 Difference]: Finished difference Result 9548 states and 25088 transitions. [2022-01-18 01:07:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:07:51,538 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:51,547 INFO L225 Difference]: With dead ends: 9548 [2022-01-18 01:07:51,548 INFO L226 Difference]: Without dead ends: 9273 [2022-01-18 01:07:51,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=794, Invalid=2746, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:07:51,548 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 852 mSDsluCounter, 6674 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 6936 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:51,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [852 Valid, 6936 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:51,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9273 states. [2022-01-18 01:07:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9273 to 5467. [2022-01-18 01:07:51,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5467 states, 5466 states have (on average 2.624954262714965) internal successors, (14348), 5466 states have internal predecessors, (14348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 5467 states and 14348 transitions. [2022-01-18 01:07:51,621 INFO L78 Accepts]: Start accepts. Automaton has 5467 states and 14348 transitions. Word has length 135 [2022-01-18 01:07:51,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:51,621 INFO L470 AbstractCegarLoop]: Abstraction has 5467 states and 14348 transitions. [2022-01-18 01:07:51,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 14348 transitions. [2022-01-18 01:07:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:51,626 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:51,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:51,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 01:07:51,627 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:51,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:51,627 INFO L85 PathProgramCache]: Analyzing trace with hash -543593789, now seen corresponding path program 107 times [2022-01-18 01:07:51,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:51,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794530727] [2022-01-18 01:07:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:51,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:51,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:51,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794530727] [2022-01-18 01:07:51,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794530727] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:51,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:51,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:51,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114911802] [2022-01-18 01:07:51,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:51,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:51,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:51,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:51,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:51,969 INFO L87 Difference]: Start difference. First operand 5467 states and 14348 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:54,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:54,521 INFO L93 Difference]: Finished difference Result 9625 states and 25243 transitions. [2022-01-18 01:07:54,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 01:07:54,521 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:54,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:54,533 INFO L225 Difference]: With dead ends: 9625 [2022-01-18 01:07:54,534 INFO L226 Difference]: Without dead ends: 9235 [2022-01-18 01:07:54,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1130, Invalid=3840, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 01:07:54,534 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 994 mSDsluCounter, 6998 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 7230 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:54,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 7230 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:54,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9235 states. [2022-01-18 01:07:54,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9235 to 5479. [2022-01-18 01:07:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6230376049653157) internal successors, (14369), 5478 states have internal predecessors, (14369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14369 transitions. [2022-01-18 01:07:54,616 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14369 transitions. Word has length 135 [2022-01-18 01:07:54,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:54,617 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14369 transitions. [2022-01-18 01:07:54,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14369 transitions. [2022-01-18 01:07:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:54,622 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:54,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:54,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 01:07:54,622 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:54,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:54,622 INFO L85 PathProgramCache]: Analyzing trace with hash -937058825, now seen corresponding path program 108 times [2022-01-18 01:07:54,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:54,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318980848] [2022-01-18 01:07:54,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:54,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:54,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:54,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318980848] [2022-01-18 01:07:54,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318980848] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:54,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:54,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:54,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830978513] [2022-01-18 01:07:54,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:54,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:54,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:54,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:54,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:54,970 INFO L87 Difference]: Start difference. First operand 5479 states and 14369 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:57,289 INFO L93 Difference]: Finished difference Result 9586 states and 25155 transitions. [2022-01-18 01:07:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:07:57,289 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:57,300 INFO L225 Difference]: With dead ends: 9586 [2022-01-18 01:07:57,300 INFO L226 Difference]: Without dead ends: 9289 [2022-01-18 01:07:57,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=980, Invalid=3442, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:07:57,300 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 952 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 7114 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:57,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [952 Valid, 7114 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9289 states. [2022-01-18 01:07:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9289 to 5483. [2022-01-18 01:07:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.622400583728566) internal successors, (14376), 5482 states have internal predecessors, (14376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14376 transitions. [2022-01-18 01:07:57,374 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14376 transitions. Word has length 135 [2022-01-18 01:07:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:57,374 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14376 transitions. [2022-01-18 01:07:57,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14376 transitions. [2022-01-18 01:07:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:57,380 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:57,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:57,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 01:07:57,380 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:57,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash 941330691, now seen corresponding path program 109 times [2022-01-18 01:07:57,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:57,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700476875] [2022-01-18 01:07:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:57,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:07:57,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:57,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700476875] [2022-01-18 01:07:57,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700476875] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:57,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:57,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:07:57,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509524233] [2022-01-18 01:07:57,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:57,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:07:57,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:57,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:07:57,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:07:57,735 INFO L87 Difference]: Start difference. First operand 5483 states and 14376 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:59,744 INFO L93 Difference]: Finished difference Result 9470 states and 24857 transitions. [2022-01-18 01:07:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:07:59,745 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:07:59,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:59,757 INFO L225 Difference]: With dead ends: 9470 [2022-01-18 01:07:59,757 INFO L226 Difference]: Without dead ends: 9204 [2022-01-18 01:07:59,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=797, Invalid=2863, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:07:59,758 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 879 mSDsluCounter, 6752 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 7000 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:59,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [879 Valid, 7000 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9204 states. [2022-01-18 01:07:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9204 to 5487. [2022-01-18 01:07:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.621764491432738) internal successors, (14383), 5486 states have internal predecessors, (14383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14383 transitions. [2022-01-18 01:07:59,835 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14383 transitions. Word has length 135 [2022-01-18 01:07:59,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:59,835 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14383 transitions. [2022-01-18 01:07:59,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14383 transitions. [2022-01-18 01:07:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:07:59,840 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:59,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:59,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 01:07:59,840 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:59,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:59,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1227517781, now seen corresponding path program 110 times [2022-01-18 01:07:59,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:59,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984863766] [2022-01-18 01:07:59,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:59,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:00,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:00,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984863766] [2022-01-18 01:08:00,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984863766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:00,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:00,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:00,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3425501] [2022-01-18 01:08:00,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:00,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:00,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:00,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:00,183 INFO L87 Difference]: Start difference. First operand 5487 states and 14383 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:02,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:02,122 INFO L93 Difference]: Finished difference Result 9416 states and 24713 transitions. [2022-01-18 01:08:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:08:02,123 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:02,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:02,133 INFO L225 Difference]: With dead ends: 9416 [2022-01-18 01:08:02,133 INFO L226 Difference]: Without dead ends: 9121 [2022-01-18 01:08:02,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=766, Invalid=2656, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:08:02,134 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 848 mSDsluCounter, 6673 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 6929 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:02,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [848 Valid, 6929 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:02,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9121 states. [2022-01-18 01:08:02,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9121 to 5455. [2022-01-18 01:08:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.6232123212321232) internal successors, (14307), 5454 states have internal predecessors, (14307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:02,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14307 transitions. [2022-01-18 01:08:02,209 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14307 transitions. Word has length 135 [2022-01-18 01:08:02,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:02,209 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14307 transitions. [2022-01-18 01:08:02,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14307 transitions. [2022-01-18 01:08:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:02,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:02,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:02,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 01:08:02,214 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:02,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2072443783, now seen corresponding path program 111 times [2022-01-18 01:08:02,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:02,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957715585] [2022-01-18 01:08:02,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:02,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:02,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:02,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957715585] [2022-01-18 01:08:02,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957715585] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:02,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:02,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:02,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684713575] [2022-01-18 01:08:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:02,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:02,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:02,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:02,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:02,560 INFO L87 Difference]: Start difference. First operand 5455 states and 14307 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:04,886 INFO L93 Difference]: Finished difference Result 9544 states and 25057 transitions. [2022-01-18 01:08:04,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:08:04,887 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:04,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:04,899 INFO L225 Difference]: With dead ends: 9544 [2022-01-18 01:08:04,899 INFO L226 Difference]: Without dead ends: 9253 [2022-01-18 01:08:04,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=990, Invalid=3300, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:08:04,900 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 984 mSDsluCounter, 6694 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 6954 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:04,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [984 Valid, 6954 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-01-18 01:08:04,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 5475. [2022-01-18 01:08:04,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6229448301059555) internal successors, (14358), 5474 states have internal predecessors, (14358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14358 transitions. [2022-01-18 01:08:04,979 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14358 transitions. Word has length 135 [2022-01-18 01:08:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:04,979 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14358 transitions. [2022-01-18 01:08:04,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14358 transitions. [2022-01-18 01:08:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:04,984 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:04,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:04,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 01:08:04,985 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:04,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1930817485, now seen corresponding path program 112 times [2022-01-18 01:08:04,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:04,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429364666] [2022-01-18 01:08:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:04,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:05,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:05,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429364666] [2022-01-18 01:08:05,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429364666] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:05,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:05,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:05,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866742627] [2022-01-18 01:08:05,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:05,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:05,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:05,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:05,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:05,347 INFO L87 Difference]: Start difference. First operand 5475 states and 14358 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:07,329 INFO L93 Difference]: Finished difference Result 9462 states and 24839 transitions. [2022-01-18 01:08:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:08:07,329 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:07,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:07,339 INFO L225 Difference]: With dead ends: 9462 [2022-01-18 01:08:07,339 INFO L226 Difference]: Without dead ends: 9196 [2022-01-18 01:08:07,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=777, Invalid=2763, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:08:07,339 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 918 mSDsluCounter, 6690 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 6932 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:07,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 6932 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:07,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9196 states. [2022-01-18 01:08:07,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9196 to 5479. [2022-01-18 01:08:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.622307411464038) internal successors, (14365), 5478 states have internal predecessors, (14365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14365 transitions. [2022-01-18 01:08:07,411 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14365 transitions. Word has length 135 [2022-01-18 01:08:07,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:07,412 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14365 transitions. [2022-01-18 01:08:07,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14365 transitions. [2022-01-18 01:08:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:07,417 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:07,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:07,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 01:08:07,417 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash -238030987, now seen corresponding path program 113 times [2022-01-18 01:08:07,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:07,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977210751] [2022-01-18 01:08:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:07,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:07,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:07,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977210751] [2022-01-18 01:08:07,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977210751] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:07,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:07,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:07,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410561729] [2022-01-18 01:08:07,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:07,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:07,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:07,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:07,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:07,813 INFO L87 Difference]: Start difference. First operand 5479 states and 14365 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:09,863 INFO L93 Difference]: Finished difference Result 9424 states and 24739 transitions. [2022-01-18 01:08:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:09,863 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:09,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:09,876 INFO L225 Difference]: With dead ends: 9424 [2022-01-18 01:08:09,876 INFO L226 Difference]: Without dead ends: 9153 [2022-01-18 01:08:09,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=818, Invalid=2842, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:08:09,876 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 900 mSDsluCounter, 6642 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 6901 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:09,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 6901 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:09,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9153 states. [2022-01-18 01:08:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9153 to 5471. [2022-01-18 01:08:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5471 states, 5470 states have (on average 2.622851919561243) internal successors, (14347), 5470 states have internal predecessors, (14347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 14347 transitions. [2022-01-18 01:08:09,955 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 14347 transitions. Word has length 135 [2022-01-18 01:08:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:09,955 INFO L470 AbstractCegarLoop]: Abstraction has 5471 states and 14347 transitions. [2022-01-18 01:08:09,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 14347 transitions. [2022-01-18 01:08:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:09,960 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:09,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:09,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-18 01:08:09,960 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:09,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:09,961 INFO L85 PathProgramCache]: Analyzing trace with hash 134749179, now seen corresponding path program 114 times [2022-01-18 01:08:09,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:09,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151195330] [2022-01-18 01:08:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:09,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:10,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:10,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151195330] [2022-01-18 01:08:10,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151195330] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:10,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:10,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:10,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804378731] [2022-01-18 01:08:10,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:10,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:10,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:10,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:10,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:10,302 INFO L87 Difference]: Start difference. First operand 5471 states and 14347 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:12,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:12,546 INFO L93 Difference]: Finished difference Result 9462 states and 24814 transitions. [2022-01-18 01:08:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:08:12,546 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:12,556 INFO L225 Difference]: With dead ends: 9462 [2022-01-18 01:08:12,557 INFO L226 Difference]: Without dead ends: 9165 [2022-01-18 01:08:12,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=933, Invalid=3227, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:08:12,557 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 951 mSDsluCounter, 6805 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 7037 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:12,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [951 Valid, 7037 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9165 states. [2022-01-18 01:08:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9165 to 5475. [2022-01-18 01:08:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6222141030325172) internal successors, (14354), 5474 states have internal predecessors, (14354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14354 transitions. [2022-01-18 01:08:12,630 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14354 transitions. Word has length 135 [2022-01-18 01:08:12,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:12,630 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14354 transitions. [2022-01-18 01:08:12,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14354 transitions. [2022-01-18 01:08:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:12,635 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:12,635 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:12,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-18 01:08:12,635 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:12,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:12,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2013138695, now seen corresponding path program 115 times [2022-01-18 01:08:12,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:12,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464911967] [2022-01-18 01:08:12,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:12,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:13,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:13,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464911967] [2022-01-18 01:08:13,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464911967] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:13,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:13,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:13,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473345398] [2022-01-18 01:08:13,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:13,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:13,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:13,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:13,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:13,003 INFO L87 Difference]: Start difference. First operand 5475 states and 14354 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:15,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:15,009 INFO L93 Difference]: Finished difference Result 9410 states and 24692 transitions. [2022-01-18 01:08:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:15,023 INFO L225 Difference]: With dead ends: 9410 [2022-01-18 01:08:15,023 INFO L226 Difference]: Without dead ends: 9144 [2022-01-18 01:08:15,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=807, Invalid=2853, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:08:15,024 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 928 mSDsluCounter, 6670 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 6909 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:15,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [928 Valid, 6909 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9144 states. [2022-01-18 01:08:15,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9144 to 5479. [2022-01-18 01:08:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.62157721796276) internal successors, (14361), 5478 states have internal predecessors, (14361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14361 transitions. [2022-01-18 01:08:15,108 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14361 transitions. Word has length 135 [2022-01-18 01:08:15,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:15,108 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14361 transitions. [2022-01-18 01:08:15,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14361 transitions. [2022-01-18 01:08:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:15,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:15,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:15,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-18 01:08:15,114 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:15,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:15,114 INFO L85 PathProgramCache]: Analyzing trace with hash -155709777, now seen corresponding path program 116 times [2022-01-18 01:08:15,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:15,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886360240] [2022-01-18 01:08:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:15,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:15,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:15,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886360240] [2022-01-18 01:08:15,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886360240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:15,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:15,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:15,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743033328] [2022-01-18 01:08:15,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:15,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:15,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:15,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:15,473 INFO L87 Difference]: Start difference. First operand 5479 states and 14361 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:17,483 INFO L93 Difference]: Finished difference Result 9372 states and 24592 transitions. [2022-01-18 01:08:17,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:08:17,483 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:17,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:17,494 INFO L225 Difference]: With dead ends: 9372 [2022-01-18 01:08:17,494 INFO L226 Difference]: Without dead ends: 9097 [2022-01-18 01:08:17,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=789, Invalid=2751, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:08:17,495 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 887 mSDsluCounter, 6977 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 7224 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:17,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 7224 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:17,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9097 states. [2022-01-18 01:08:17,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9097 to 5467. [2022-01-18 01:08:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5467 states, 5466 states have (on average 2.622758873033297) internal successors, (14336), 5466 states have internal predecessors, (14336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 5467 states and 14336 transitions. [2022-01-18 01:08:17,568 INFO L78 Accepts]: Start accepts. Automaton has 5467 states and 14336 transitions. Word has length 135 [2022-01-18 01:08:17,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:17,568 INFO L470 AbstractCegarLoop]: Abstraction has 5467 states and 14336 transitions. [2022-01-18 01:08:17,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 14336 transitions. [2022-01-18 01:08:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:17,574 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:17,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:17,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-18 01:08:17,574 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:17,574 INFO L85 PathProgramCache]: Analyzing trace with hash 110345745, now seen corresponding path program 117 times [2022-01-18 01:08:17,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:17,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854195613] [2022-01-18 01:08:17,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:17,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:17,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:17,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854195613] [2022-01-18 01:08:17,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854195613] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:17,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:17,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:17,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180753287] [2022-01-18 01:08:17,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:17,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:17,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:17,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:17,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:17,920 INFO L87 Difference]: Start difference. First operand 5467 states and 14336 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:20,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:20,277 INFO L93 Difference]: Finished difference Result 9500 states and 24932 transitions. [2022-01-18 01:08:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:08:20,277 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:20,290 INFO L225 Difference]: With dead ends: 9500 [2022-01-18 01:08:20,290 INFO L226 Difference]: Without dead ends: 9209 [2022-01-18 01:08:20,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1014, Invalid=3408, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:08:20,291 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1063 mSDsluCounter, 6669 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 6925 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:20,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 6925 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9209 states. [2022-01-18 01:08:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9209 to 5483. [2022-01-18 01:08:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.622400583728566) internal successors, (14376), 5482 states have internal predecessors, (14376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14376 transitions. [2022-01-18 01:08:20,380 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14376 transitions. Word has length 135 [2022-01-18 01:08:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:20,380 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14376 transitions. [2022-01-18 01:08:20,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14376 transitions. [2022-01-18 01:08:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:20,386 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:20,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:20,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-18 01:08:20,386 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:20,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:20,386 INFO L85 PathProgramCache]: Analyzing trace with hash -181360283, now seen corresponding path program 118 times [2022-01-18 01:08:20,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:20,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662627544] [2022-01-18 01:08:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:20,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:20,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:20,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662627544] [2022-01-18 01:08:20,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662627544] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:20,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:20,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:20,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632149496] [2022-01-18 01:08:20,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:20,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:20,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:20,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:20,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:20,748 INFO L87 Difference]: Start difference. First operand 5483 states and 14376 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:22,678 INFO L93 Difference]: Finished difference Result 9362 states and 24560 transitions. [2022-01-18 01:08:22,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:08:22,678 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:22,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:22,689 INFO L225 Difference]: With dead ends: 9362 [2022-01-18 01:08:22,689 INFO L226 Difference]: Without dead ends: 9096 [2022-01-18 01:08:22,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=749, Invalid=2673, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:08:22,689 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 931 mSDsluCounter, 6999 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 7225 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:22,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 7225 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:22,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9096 states. [2022-01-18 01:08:22,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9096 to 5487. [2022-01-18 01:08:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.621764491432738) internal successors, (14383), 5486 states have internal predecessors, (14383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14383 transitions. [2022-01-18 01:08:22,766 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14383 transitions. Word has length 135 [2022-01-18 01:08:22,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:22,766 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14383 transitions. [2022-01-18 01:08:22,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14383 transitions. [2022-01-18 01:08:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:22,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:22,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:22,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-18 01:08:22,771 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:22,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1944758541, now seen corresponding path program 119 times [2022-01-18 01:08:22,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:22,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572866375] [2022-01-18 01:08:22,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:22,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:23,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:23,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572866375] [2022-01-18 01:08:23,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572866375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:23,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:23,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:23,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323469381] [2022-01-18 01:08:23,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:23,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:23,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:23,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:23,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:23,132 INFO L87 Difference]: Start difference. First operand 5487 states and 14383 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:25,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:25,136 INFO L93 Difference]: Finished difference Result 9344 states and 24515 transitions. [2022-01-18 01:08:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:25,137 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:25,149 INFO L225 Difference]: With dead ends: 9344 [2022-01-18 01:08:25,149 INFO L226 Difference]: Without dead ends: 9073 [2022-01-18 01:08:25,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=814, Invalid=2846, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:08:25,149 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 975 mSDsluCounter, 6566 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 6813 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:25,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 6813 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:08:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9073 states. [2022-01-18 01:08:25,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9073 to 5479. [2022-01-18 01:08:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.622307411464038) internal successors, (14365), 5478 states have internal predecessors, (14365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14365 transitions. [2022-01-18 01:08:25,230 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14365 transitions. Word has length 135 [2022-01-18 01:08:25,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:25,230 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14365 transitions. [2022-01-18 01:08:25,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:25,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14365 transitions. [2022-01-18 01:08:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:25,235 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:25,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:25,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-18 01:08:25,236 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:25,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1192169173, now seen corresponding path program 120 times [2022-01-18 01:08:25,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:25,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566904735] [2022-01-18 01:08:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:25,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:25,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:25,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566904735] [2022-01-18 01:08:25,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566904735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:25,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:25,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:25,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215536533] [2022-01-18 01:08:25,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:25,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:25,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:25,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:25,629 INFO L87 Difference]: Start difference. First operand 5479 states and 14365 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:28,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:28,230 INFO L93 Difference]: Finished difference Result 9196 states and 24132 transitions. [2022-01-18 01:08:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:08:28,230 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:28,239 INFO L225 Difference]: With dead ends: 9196 [2022-01-18 01:08:28,239 INFO L226 Difference]: Without dead ends: 8545 [2022-01-18 01:08:28,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1147, Invalid=3683, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 01:08:28,240 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 988 mSDsluCounter, 6640 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 6891 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:28,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [988 Valid, 6891 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:08:28,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8545 states. [2022-01-18 01:08:28,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8545 to 5203. [2022-01-18 01:08:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 5202 states have (on average 2.6309111880046134) internal successors, (13686), 5202 states have internal predecessors, (13686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 13686 transitions. [2022-01-18 01:08:28,305 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 13686 transitions. Word has length 135 [2022-01-18 01:08:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:28,305 INFO L470 AbstractCegarLoop]: Abstraction has 5203 states and 13686 transitions. [2022-01-18 01:08:28,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 13686 transitions. [2022-01-18 01:08:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:28,309 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:28,309 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:28,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-01-18 01:08:28,310 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:28,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1597839895, now seen corresponding path program 121 times [2022-01-18 01:08:28,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:28,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116633349] [2022-01-18 01:08:28,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:28,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:28,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:28,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116633349] [2022-01-18 01:08:28,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116633349] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:28,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:28,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:28,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782815789] [2022-01-18 01:08:28,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:28,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:28,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:28,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:28,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:28,683 INFO L87 Difference]: Start difference. First operand 5203 states and 13686 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:31,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:31,400 INFO L93 Difference]: Finished difference Result 11746 states and 30904 transitions. [2022-01-18 01:08:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:08:31,401 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:31,417 INFO L225 Difference]: With dead ends: 11746 [2022-01-18 01:08:31,417 INFO L226 Difference]: Without dead ends: 11371 [2022-01-18 01:08:31,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1192, Invalid=3638, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 01:08:31,418 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1191 mSDsluCounter, 6564 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 6841 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:31,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1191 Valid, 6841 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:31,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11371 states. [2022-01-18 01:08:31,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11371 to 5487. [2022-01-18 01:08:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.63488880787459) internal successors, (14455), 5486 states have internal predecessors, (14455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14455 transitions. [2022-01-18 01:08:31,513 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14455 transitions. Word has length 135 [2022-01-18 01:08:31,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:31,513 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14455 transitions. [2022-01-18 01:08:31,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14455 transitions. [2022-01-18 01:08:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:31,518 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:31,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:31,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-01-18 01:08:31,519 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:31,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash 196167733, now seen corresponding path program 122 times [2022-01-18 01:08:31,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:31,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924468847] [2022-01-18 01:08:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:31,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:31,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:31,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924468847] [2022-01-18 01:08:31,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924468847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:31,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:31,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:31,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62404636] [2022-01-18 01:08:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:31,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:31,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:31,951 INFO L87 Difference]: Start difference. First operand 5487 states and 14455 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:34,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:34,449 INFO L93 Difference]: Finished difference Result 11794 states and 31020 transitions. [2022-01-18 01:08:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:08:34,449 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:34,465 INFO L225 Difference]: With dead ends: 11794 [2022-01-18 01:08:34,465 INFO L226 Difference]: Without dead ends: 11503 [2022-01-18 01:08:34,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1058, Invalid=3364, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:08:34,466 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1148 mSDsluCounter, 6923 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 7194 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:34,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1148 Valid, 7194 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:34,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11503 states. [2022-01-18 01:08:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11503 to 5491. [2022-01-18 01:08:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5490 states have (on average 2.6342440801457196) internal successors, (14462), 5490 states have internal predecessors, (14462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 14462 transitions. [2022-01-18 01:08:34,565 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 14462 transitions. Word has length 135 [2022-01-18 01:08:34,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:34,565 INFO L470 AbstractCegarLoop]: Abstraction has 5491 states and 14462 transitions. [2022-01-18 01:08:34,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 14462 transitions. [2022-01-18 01:08:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:34,570 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:34,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:34,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-01-18 01:08:34,571 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash -95538295, now seen corresponding path program 123 times [2022-01-18 01:08:34,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116810689] [2022-01-18 01:08:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:34,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:34,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:34,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116810689] [2022-01-18 01:08:34,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116810689] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:34,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:34,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:34,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124525045] [2022-01-18 01:08:34,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:34,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:34,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:34,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:34,918 INFO L87 Difference]: Start difference. First operand 5491 states and 14462 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:37,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:37,015 INFO L93 Difference]: Finished difference Result 11680 states and 30714 transitions. [2022-01-18 01:08:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:08:37,015 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:37,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:37,032 INFO L225 Difference]: With dead ends: 11680 [2022-01-18 01:08:37,032 INFO L226 Difference]: Without dead ends: 11414 [2022-01-18 01:08:37,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=793, Invalid=2629, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:08:37,033 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1095 mSDsluCounter, 7315 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 7562 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:37,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1095 Valid, 7562 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:37,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11414 states. [2022-01-18 01:08:37,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11414 to 5495. [2022-01-18 01:08:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.633600291226793) internal successors, (14469), 5494 states have internal predecessors, (14469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14469 transitions. [2022-01-18 01:08:37,153 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14469 transitions. Word has length 135 [2022-01-18 01:08:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:37,153 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14469 transitions. [2022-01-18 01:08:37,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:37,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14469 transitions. [2022-01-18 01:08:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:37,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:37,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:37,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-01-18 01:08:37,159 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:37,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2030580529, now seen corresponding path program 124 times [2022-01-18 01:08:37,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:37,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578581607] [2022-01-18 01:08:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:37,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:37,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:37,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578581607] [2022-01-18 01:08:37,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578581607] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:37,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:37,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:37,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043123412] [2022-01-18 01:08:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:37,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:37,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:37,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:37,518 INFO L87 Difference]: Start difference. First operand 5495 states and 14469 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:39,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:39,560 INFO L93 Difference]: Finished difference Result 11642 states and 30614 transitions. [2022-01-18 01:08:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:39,560 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:39,575 INFO L225 Difference]: With dead ends: 11642 [2022-01-18 01:08:39,575 INFO L226 Difference]: Without dead ends: 11359 [2022-01-18 01:08:39,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=852, Invalid=2808, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:08:39,576 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1071 mSDsluCounter, 6553 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:39,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 6829 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:39,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11359 states. [2022-01-18 01:08:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11359 to 5475. [2022-01-18 01:08:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6346364632809647) internal successors, (14422), 5474 states have internal predecessors, (14422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14422 transitions. [2022-01-18 01:08:39,671 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14422 transitions. Word has length 135 [2022-01-18 01:08:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:39,671 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14422 transitions. [2022-01-18 01:08:39,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14422 transitions. [2022-01-18 01:08:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:39,676 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:39,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:39,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-01-18 01:08:39,677 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:39,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:39,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1301613335, now seen corresponding path program 125 times [2022-01-18 01:08:39,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:39,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421247100] [2022-01-18 01:08:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:39,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:40,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:40,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421247100] [2022-01-18 01:08:40,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421247100] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:40,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:40,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:40,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317838677] [2022-01-18 01:08:40,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:40,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:40,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:40,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:40,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:40,071 INFO L87 Difference]: Start difference. First operand 5475 states and 14422 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:42,482 INFO L93 Difference]: Finished difference Result 11802 states and 31042 transitions. [2022-01-18 01:08:42,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:08:42,482 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:42,497 INFO L225 Difference]: With dead ends: 11802 [2022-01-18 01:08:42,497 INFO L226 Difference]: Without dead ends: 11511 [2022-01-18 01:08:42,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1028, Invalid=3262, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:08:42,497 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1152 mSDsluCounter, 6569 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 6840 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:42,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1152 Valid, 6840 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11511 states. [2022-01-18 01:08:42,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11511 to 5483. [2022-01-18 01:08:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6340751550529005) internal successors, (14440), 5482 states have internal predecessors, (14440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14440 transitions. [2022-01-18 01:08:42,579 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14440 transitions. Word has length 135 [2022-01-18 01:08:42,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:42,579 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14440 transitions. [2022-01-18 01:08:42,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:42,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14440 transitions. [2022-01-18 01:08:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:42,584 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:42,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:42,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-01-18 01:08:42,585 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:42,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1009907307, now seen corresponding path program 126 times [2022-01-18 01:08:42,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:42,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702515808] [2022-01-18 01:08:42,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:42,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:42,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:42,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702515808] [2022-01-18 01:08:42,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702515808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:42,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:42,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:42,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339303458] [2022-01-18 01:08:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:42,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:42,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:42,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:42,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:42,930 INFO L87 Difference]: Start difference. First operand 5483 states and 14440 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:45,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:45,056 INFO L93 Difference]: Finished difference Result 11752 states and 30912 transitions. [2022-01-18 01:08:45,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:08:45,056 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:45,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:45,072 INFO L225 Difference]: With dead ends: 11752 [2022-01-18 01:08:45,072 INFO L226 Difference]: Without dead ends: 11486 [2022-01-18 01:08:45,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=821, Invalid=2719, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:08:45,073 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1122 mSDsluCounter, 6926 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 7184 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:45,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1122 Valid, 7184 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11486 states. [2022-01-18 01:08:45,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11486 to 5487. [2022-01-18 01:08:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.633430550492162) internal successors, (14447), 5486 states have internal predecessors, (14447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14447 transitions. [2022-01-18 01:08:45,168 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14447 transitions. Word has length 135 [2022-01-18 01:08:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:45,168 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14447 transitions. [2022-01-18 01:08:45,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14447 transitions. [2022-01-18 01:08:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:45,173 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:45,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:45,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-01-18 01:08:45,174 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:45,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:45,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1158941165, now seen corresponding path program 127 times [2022-01-18 01:08:45,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:45,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22902307] [2022-01-18 01:08:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:45,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:45,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:45,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22902307] [2022-01-18 01:08:45,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22902307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:45,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:45,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:45,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152586083] [2022-01-18 01:08:45,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:45,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:45,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:45,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:45,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:45,528 INFO L87 Difference]: Start difference. First operand 5487 states and 14447 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:47,740 INFO L93 Difference]: Finished difference Result 11714 states and 30812 transitions. [2022-01-18 01:08:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:47,740 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:47,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:47,753 INFO L225 Difference]: With dead ends: 11714 [2022-01-18 01:08:47,753 INFO L226 Difference]: Without dead ends: 11443 [2022-01-18 01:08:47,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=855, Invalid=2805, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:08:47,753 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 1101 mSDsluCounter, 6876 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 7147 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:47,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1101 Valid, 7147 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:47,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11443 states. [2022-01-18 01:08:47,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11443 to 5479. [2022-01-18 01:08:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6339905074844836) internal successors, (14429), 5478 states have internal predecessors, (14429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14429 transitions. [2022-01-18 01:08:47,839 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14429 transitions. Word has length 135 [2022-01-18 01:08:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:47,839 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14429 transitions. [2022-01-18 01:08:47,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14429 transitions. [2022-01-18 01:08:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:47,845 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:47,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:47,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-01-18 01:08:47,845 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash -786160999, now seen corresponding path program 128 times [2022-01-18 01:08:47,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:47,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370942025] [2022-01-18 01:08:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:47,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:48,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:48,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370942025] [2022-01-18 01:08:48,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370942025] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:48,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:48,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:48,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316602271] [2022-01-18 01:08:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:48,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:48,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:48,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:48,224 INFO L87 Difference]: Start difference. First operand 5479 states and 14429 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:50,711 INFO L93 Difference]: Finished difference Result 11804 states and 31030 transitions. [2022-01-18 01:08:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:08:50,712 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:50,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:50,728 INFO L225 Difference]: With dead ends: 11804 [2022-01-18 01:08:50,728 INFO L226 Difference]: Without dead ends: 11507 [2022-01-18 01:08:50,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=984, Invalid=3176, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:08:50,729 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1165 mSDsluCounter, 7412 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 7650 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:50,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1165 Valid, 7650 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11507 states. [2022-01-18 01:08:50,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11507 to 5483. [2022-01-18 01:08:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6333454943451295) internal successors, (14436), 5482 states have internal predecessors, (14436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14436 transitions. [2022-01-18 01:08:50,828 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14436 transitions. Word has length 135 [2022-01-18 01:08:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:50,829 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14436 transitions. [2022-01-18 01:08:50,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14436 transitions. [2022-01-18 01:08:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:50,834 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:50,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:50,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-01-18 01:08:50,834 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:50,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:50,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1092228517, now seen corresponding path program 129 times [2022-01-18 01:08:50,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:50,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611136354] [2022-01-18 01:08:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:50,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:51,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:51,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611136354] [2022-01-18 01:08:51,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611136354] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:51,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:51,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:51,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325277505] [2022-01-18 01:08:51,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:51,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:51,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:51,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:51,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:51,206 INFO L87 Difference]: Start difference. First operand 5483 states and 14436 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:53,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:53,436 INFO L93 Difference]: Finished difference Result 11704 states and 30776 transitions. [2022-01-18 01:08:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:53,436 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:53,448 INFO L225 Difference]: With dead ends: 11704 [2022-01-18 01:08:53,449 INFO L226 Difference]: Without dead ends: 11438 [2022-01-18 01:08:53,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=850, Invalid=2810, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:08:53,449 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1120 mSDsluCounter, 6921 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 7179 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:53,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1120 Valid, 7179 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11438 states. [2022-01-18 01:08:53,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11438 to 5487. [2022-01-18 01:08:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.632701421800948) internal successors, (14443), 5486 states have internal predecessors, (14443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14443 transitions. [2022-01-18 01:08:53,533 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14443 transitions. Word has length 135 [2022-01-18 01:08:53,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:53,533 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14443 transitions. [2022-01-18 01:08:53,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14443 transitions. [2022-01-18 01:08:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:53,538 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:53,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:53,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-01-18 01:08:53,538 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:53,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1076619955, now seen corresponding path program 130 times [2022-01-18 01:08:53,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:53,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628978164] [2022-01-18 01:08:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:53,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:53,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:53,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628978164] [2022-01-18 01:08:53,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628978164] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:53,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:53,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:53,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114655426] [2022-01-18 01:08:53,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:53,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:53,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:53,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:53,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:53,907 INFO L87 Difference]: Start difference. First operand 5487 states and 14443 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:55,977 INFO L93 Difference]: Finished difference Result 11634 states and 30588 transitions. [2022-01-18 01:08:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:08:55,977 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:55,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:55,993 INFO L225 Difference]: With dead ends: 11634 [2022-01-18 01:08:55,993 INFO L226 Difference]: Without dead ends: 11347 [2022-01-18 01:08:55,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=833, Invalid=2707, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:08:55,994 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 1086 mSDsluCounter, 6077 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 6360 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:55,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1086 Valid, 6360 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:56,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11347 states. [2022-01-18 01:08:56,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11347 to 5463. [2022-01-18 01:08:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5463 states, 5462 states have (on average 2.6343830098864887) internal successors, (14389), 5462 states have internal predecessors, (14389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5463 states to 5463 states and 14389 transitions. [2022-01-18 01:08:56,090 INFO L78 Accepts]: Start accepts. Automaton has 5463 states and 14389 transitions. Word has length 135 [2022-01-18 01:08:56,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:56,090 INFO L470 AbstractCegarLoop]: Abstraction has 5463 states and 14389 transitions. [2022-01-18 01:08:56,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 5463 states and 14389 transitions. [2022-01-18 01:08:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:56,096 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:56,096 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:56,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-01-18 01:08:56,096 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:56,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash -614471499, now seen corresponding path program 131 times [2022-01-18 01:08:56,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:56,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473180629] [2022-01-18 01:08:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:56,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:56,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:56,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473180629] [2022-01-18 01:08:56,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473180629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:56,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:56,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:56,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891148578] [2022-01-18 01:08:56,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:56,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:56,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:56,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:56,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:56,497 INFO L87 Difference]: Start difference. First operand 5463 states and 14389 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:58,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:58,972 INFO L93 Difference]: Finished difference Result 11850 states and 31174 transitions. [2022-01-18 01:08:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:08:58,972 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:08:58,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:58,985 INFO L225 Difference]: With dead ends: 11850 [2022-01-18 01:08:58,985 INFO L226 Difference]: Without dead ends: 11559 [2022-01-18 01:08:58,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1002, Invalid=3158, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:08:58,986 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1158 mSDsluCounter, 7265 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 7525 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:58,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 7525 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11559 states. [2022-01-18 01:08:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11559 to 5483. [2022-01-18 01:08:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6340751550529005) internal successors, (14440), 5482 states have internal predecessors, (14440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14440 transitions. [2022-01-18 01:08:59,068 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14440 transitions. Word has length 135 [2022-01-18 01:08:59,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:59,068 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14440 transitions. [2022-01-18 01:08:59,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14440 transitions. [2022-01-18 01:08:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:08:59,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:59,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:59,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-01-18 01:08:59,073 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:59,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash -906177527, now seen corresponding path program 132 times [2022-01-18 01:08:59,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:59,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169004223] [2022-01-18 01:08:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:59,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:08:59,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:59,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169004223] [2022-01-18 01:08:59,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169004223] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:59,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:59,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:08:59,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881271383] [2022-01-18 01:08:59,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:59,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:08:59,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:59,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:08:59,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:08:59,416 INFO L87 Difference]: Start difference. First operand 5483 states and 14440 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:01,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:01,515 INFO L93 Difference]: Finished difference Result 11816 states and 31088 transitions. [2022-01-18 01:09:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:09:01,516 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:01,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:01,532 INFO L225 Difference]: With dead ends: 11816 [2022-01-18 01:09:01,532 INFO L226 Difference]: Without dead ends: 11550 [2022-01-18 01:09:01,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=816, Invalid=2724, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:09:01,533 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1126 mSDsluCounter, 6925 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 7183 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:01,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 7183 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:01,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11550 states. [2022-01-18 01:09:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11550 to 5487. [2022-01-18 01:09:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.633430550492162) internal successors, (14447), 5486 states have internal predecessors, (14447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14447 transitions. [2022-01-18 01:09:01,639 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14447 transitions. Word has length 135 [2022-01-18 01:09:01,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:01,639 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14447 transitions. [2022-01-18 01:09:01,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14447 transitions. [2022-01-18 01:09:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:01,645 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:01,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:01,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-01-18 01:09:01,645 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:01,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:01,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1219941297, now seen corresponding path program 133 times [2022-01-18 01:09:01,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:01,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871901139] [2022-01-18 01:09:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:01,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:02,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:02,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871901139] [2022-01-18 01:09:02,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871901139] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:02,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:02,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:02,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849829548] [2022-01-18 01:09:02,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:02,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:02,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:02,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:02,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:02,024 INFO L87 Difference]: Start difference. First operand 5487 states and 14447 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:04,175 INFO L93 Difference]: Finished difference Result 11778 states and 30988 transitions. [2022-01-18 01:09:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:09:04,175 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:04,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:04,191 INFO L225 Difference]: With dead ends: 11778 [2022-01-18 01:09:04,191 INFO L226 Difference]: Without dead ends: 11507 [2022-01-18 01:09:04,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=868, Invalid=2792, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:09:04,192 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1082 mSDsluCounter, 6482 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 6760 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:04,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1082 Valid, 6760 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:04,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11507 states. [2022-01-18 01:09:04,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11507 to 5479. [2022-01-18 01:09:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5478 states have (on average 2.6339905074844836) internal successors, (14429), 5478 states have internal predecessors, (14429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:04,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 14429 transitions. [2022-01-18 01:09:04,291 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 14429 transitions. Word has length 135 [2022-01-18 01:09:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:04,291 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 14429 transitions. [2022-01-18 01:09:04,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 14429 transitions. [2022-01-18 01:09:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:04,297 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:04,297 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:04,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-01-18 01:09:04,297 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1592721463, now seen corresponding path program 134 times [2022-01-18 01:09:04,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:04,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663582702] [2022-01-18 01:09:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:04,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:04,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:04,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663582702] [2022-01-18 01:09:04,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663582702] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:04,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:04,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:04,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321875837] [2022-01-18 01:09:04,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:04,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:04,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:04,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:04,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:04,638 INFO L87 Difference]: Start difference. First operand 5479 states and 14429 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:07,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:07,081 INFO L93 Difference]: Finished difference Result 11948 states and 31426 transitions. [2022-01-18 01:09:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:09:07,081 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:07,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:07,096 INFO L225 Difference]: With dead ends: 11948 [2022-01-18 01:09:07,096 INFO L226 Difference]: Without dead ends: 11651 [2022-01-18 01:09:07,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1008, Invalid=3282, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:09:07,097 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1165 mSDsluCounter, 7431 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 7671 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:07,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1165 Valid, 7671 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:07,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11651 states. [2022-01-18 01:09:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11651 to 5483. [2022-01-18 01:09:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6333454943451295) internal successors, (14436), 5482 states have internal predecessors, (14436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14436 transitions. [2022-01-18 01:09:07,183 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14436 transitions. Word has length 135 [2022-01-18 01:09:07,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:07,183 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14436 transitions. [2022-01-18 01:09:07,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14436 transitions. [2022-01-18 01:09:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:07,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:07,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:07,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-01-18 01:09:07,188 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash -823856317, now seen corresponding path program 135 times [2022-01-18 01:09:07,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:07,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864920698] [2022-01-18 01:09:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:07,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:07,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:07,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864920698] [2022-01-18 01:09:07,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864920698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:07,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:07,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:07,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552260146] [2022-01-18 01:09:07,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:07,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:07,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:07,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:07,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:07,541 INFO L87 Difference]: Start difference. First operand 5483 states and 14436 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:09,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:09,693 INFO L93 Difference]: Finished difference Result 11832 states and 31128 transitions. [2022-01-18 01:09:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:09:09,693 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:09,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:09,708 INFO L225 Difference]: With dead ends: 11832 [2022-01-18 01:09:09,708 INFO L226 Difference]: Without dead ends: 11566 [2022-01-18 01:09:09,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=846, Invalid=2814, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:09:09,709 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1111 mSDsluCounter, 7325 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 7575 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:09,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1111 Valid, 7575 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2022-01-18 01:09:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 5487. [2022-01-18 01:09:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.632701421800948) internal successors, (14443), 5486 states have internal predecessors, (14443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14443 transitions. [2022-01-18 01:09:09,801 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14443 transitions. Word has length 135 [2022-01-18 01:09:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:09,801 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14443 transitions. [2022-01-18 01:09:09,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14443 transitions. [2022-01-18 01:09:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:09,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:09,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:09,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-01-18 01:09:09,806 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1302262507, now seen corresponding path program 136 times [2022-01-18 01:09:09,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:09,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081926053] [2022-01-18 01:09:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:09,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:10,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:10,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081926053] [2022-01-18 01:09:10,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081926053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:10,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:10,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:10,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468372594] [2022-01-18 01:09:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:10,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:10,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:10,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:10,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:10,146 INFO L87 Difference]: Start difference. First operand 5487 states and 14443 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:12,129 INFO L93 Difference]: Finished difference Result 11778 states and 30984 transitions. [2022-01-18 01:09:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:09:12,130 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:12,145 INFO L225 Difference]: With dead ends: 11778 [2022-01-18 01:09:12,145 INFO L226 Difference]: Without dead ends: 11503 [2022-01-18 01:09:12,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=832, Invalid=2708, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:09:12,145 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 1093 mSDsluCounter, 6474 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 6747 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:12,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1093 Valid, 6747 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11503 states. [2022-01-18 01:09:12,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11503 to 5475. [2022-01-18 01:09:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6339057362075264) internal successors, (14418), 5474 states have internal predecessors, (14418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14418 transitions. [2022-01-18 01:09:12,231 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14418 transitions. Word has length 135 [2022-01-18 01:09:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:12,231 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14418 transitions. [2022-01-18 01:09:12,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14418 transitions. [2022-01-18 01:09:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:12,236 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:12,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:12,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-01-18 01:09:12,236 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:12,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash 682956455, now seen corresponding path program 137 times [2022-01-18 01:09:12,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:12,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650020820] [2022-01-18 01:09:12,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:12,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:12,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:12,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650020820] [2022-01-18 01:09:12,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650020820] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:12,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:12,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:12,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030483524] [2022-01-18 01:09:12,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:12,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:12,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:12,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:12,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:12,608 INFO L87 Difference]: Start difference. First operand 5475 states and 14418 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:15,312 INFO L93 Difference]: Finished difference Result 11971 states and 31458 transitions. [2022-01-18 01:09:15,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 01:09:15,313 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:15,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:15,327 INFO L225 Difference]: With dead ends: 11971 [2022-01-18 01:09:15,328 INFO L226 Difference]: Without dead ends: 11581 [2022-01-18 01:09:15,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1190, Invalid=3780, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 01:09:15,328 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 1244 mSDsluCounter, 7123 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 7366 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:15,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 7366 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:15,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11581 states. [2022-01-18 01:09:15,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11581 to 5487. [2022-01-18 01:09:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.631972293109734) internal successors, (14439), 5486 states have internal predecessors, (14439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14439 transitions. [2022-01-18 01:09:15,421 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14439 transitions. Word has length 135 [2022-01-18 01:09:15,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:15,421 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14439 transitions. [2022-01-18 01:09:15,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14439 transitions. [2022-01-18 01:09:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:15,426 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:15,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:15,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-01-18 01:09:15,426 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash 289491419, now seen corresponding path program 138 times [2022-01-18 01:09:15,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:15,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757781920] [2022-01-18 01:09:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:15,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:15,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:15,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757781920] [2022-01-18 01:09:15,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757781920] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:15,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:15,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:15,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291195061] [2022-01-18 01:09:15,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:15,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:15,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:15,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:15,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:15,765 INFO L87 Difference]: Start difference. First operand 5487 states and 14439 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:18,254 INFO L93 Difference]: Finished difference Result 11828 states and 31084 transitions. [2022-01-18 01:09:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:09:18,254 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:18,267 INFO L225 Difference]: With dead ends: 11828 [2022-01-18 01:09:18,267 INFO L226 Difference]: Without dead ends: 11531 [2022-01-18 01:09:18,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1032, Invalid=3390, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:09:18,268 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 1166 mSDsluCounter, 7433 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 7674 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:18,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 7674 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11531 states. [2022-01-18 01:09:18,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11531 to 5491. [2022-01-18 01:09:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5490 states have (on average 2.631329690346084) internal successors, (14446), 5490 states have internal predecessors, (14446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 14446 transitions. [2022-01-18 01:09:18,346 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 14446 transitions. Word has length 135 [2022-01-18 01:09:18,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:18,346 INFO L470 AbstractCegarLoop]: Abstraction has 5491 states and 14446 transitions. [2022-01-18 01:09:18,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 14446 transitions. [2022-01-18 01:09:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:18,351 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:18,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:18,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-01-18 01:09:18,351 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:18,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:18,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2127086361, now seen corresponding path program 139 times [2022-01-18 01:09:18,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:18,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810190558] [2022-01-18 01:09:18,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:18,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:18,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:18,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810190558] [2022-01-18 01:09:18,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810190558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:18,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:18,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:18,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582064496] [2022-01-18 01:09:18,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:18,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:18,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:18,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:18,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:18,693 INFO L87 Difference]: Start difference. First operand 5491 states and 14446 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:20,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:20,813 INFO L93 Difference]: Finished difference Result 11728 states and 30830 transitions. [2022-01-18 01:09:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:09:20,814 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:20,829 INFO L225 Difference]: With dead ends: 11728 [2022-01-18 01:09:20,829 INFO L226 Difference]: Without dead ends: 11462 [2022-01-18 01:09:20,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=841, Invalid=2819, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:09:20,829 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1130 mSDsluCounter, 6901 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 7157 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:20,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1130 Valid, 7157 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:20,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11462 states. [2022-01-18 01:09:20,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11462 to 5495. [2022-01-18 01:09:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.6306880232981436) internal successors, (14453), 5494 states have internal predecessors, (14453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14453 transitions. [2022-01-18 01:09:20,913 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14453 transitions. Word has length 135 [2022-01-18 01:09:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:20,913 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14453 transitions. [2022-01-18 01:09:20,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14453 transitions. [2022-01-18 01:09:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:20,918 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:20,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:20,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-01-18 01:09:20,918 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:20,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:20,919 INFO L85 PathProgramCache]: Analyzing trace with hash -967537, now seen corresponding path program 140 times [2022-01-18 01:09:20,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:20,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338547063] [2022-01-18 01:09:20,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:20,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:21,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:21,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338547063] [2022-01-18 01:09:21,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338547063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:21,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:21,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:21,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168436477] [2022-01-18 01:09:21,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:21,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:21,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:21,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:21,281 INFO L87 Difference]: Start difference. First operand 5495 states and 14453 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:23,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:23,337 INFO L93 Difference]: Finished difference Result 11642 states and 30598 transitions. [2022-01-18 01:09:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:09:23,337 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:23,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:23,350 INFO L225 Difference]: With dead ends: 11642 [2022-01-18 01:09:23,350 INFO L226 Difference]: Without dead ends: 11311 [2022-01-18 01:09:23,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=802, Invalid=2620, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:09:23,351 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1097 mSDsluCounter, 6811 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 7075 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:23,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1097 Valid, 7075 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11311 states. [2022-01-18 01:09:23,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11311 to 5427. [2022-01-18 01:09:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5427 states, 5426 states have (on average 2.633615923332105) internal successors, (14290), 5426 states have internal predecessors, (14290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5427 states to 5427 states and 14290 transitions. [2022-01-18 01:09:23,429 INFO L78 Accepts]: Start accepts. Automaton has 5427 states and 14290 transitions. Word has length 135 [2022-01-18 01:09:23,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:23,429 INFO L470 AbstractCegarLoop]: Abstraction has 5427 states and 14290 transitions. [2022-01-18 01:09:23,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 5427 states and 14290 transitions. [2022-01-18 01:09:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:23,434 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:23,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:23,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-01-18 01:09:23,434 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:23,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:23,434 INFO L85 PathProgramCache]: Analyzing trace with hash -501888233, now seen corresponding path program 141 times [2022-01-18 01:09:23,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:23,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434169890] [2022-01-18 01:09:23,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:23,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:23,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:23,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434169890] [2022-01-18 01:09:23,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434169890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:23,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:23,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:23,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615032910] [2022-01-18 01:09:23,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:23,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:23,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:23,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:23,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:23,765 INFO L87 Difference]: Start difference. First operand 5427 states and 14290 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:26,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:26,132 INFO L93 Difference]: Finished difference Result 11834 states and 31130 transitions. [2022-01-18 01:09:26,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:09:26,132 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:26,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:26,148 INFO L225 Difference]: With dead ends: 11834 [2022-01-18 01:09:26,149 INFO L226 Difference]: Without dead ends: 11543 [2022-01-18 01:09:26,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=981, Invalid=3051, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:09:26,149 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1152 mSDsluCounter, 6878 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:26,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1152 Valid, 7145 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:26,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11543 states. [2022-01-18 01:09:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11543 to 5451. [2022-01-18 01:09:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 2.633394495412844) internal successors, (14352), 5450 states have internal predecessors, (14352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 14352 transitions. [2022-01-18 01:09:26,247 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 14352 transitions. Word has length 135 [2022-01-18 01:09:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:26,248 INFO L470 AbstractCegarLoop]: Abstraction has 5451 states and 14352 transitions. [2022-01-18 01:09:26,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 14352 transitions. [2022-01-18 01:09:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:26,253 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:26,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:26,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-01-18 01:09:26,253 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:26,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:26,253 INFO L85 PathProgramCache]: Analyzing trace with hash -793594261, now seen corresponding path program 142 times [2022-01-18 01:09:26,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:26,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014724166] [2022-01-18 01:09:26,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:26,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:26,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:26,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014724166] [2022-01-18 01:09:26,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014724166] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:26,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:26,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:26,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709599715] [2022-01-18 01:09:26,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:26,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:26,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:26,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:26,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:26,603 INFO L87 Difference]: Start difference. First operand 5451 states and 14352 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:28,706 INFO L93 Difference]: Finished difference Result 11848 states and 31160 transitions. [2022-01-18 01:09:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:09:28,706 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:28,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:28,719 INFO L225 Difference]: With dead ends: 11848 [2022-01-18 01:09:28,720 INFO L226 Difference]: Without dead ends: 11582 [2022-01-18 01:09:28,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=811, Invalid=2729, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:09:28,720 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1122 mSDsluCounter, 6955 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 7214 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:28,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1122 Valid, 7214 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:28,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11582 states. [2022-01-18 01:09:28,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11582 to 5455. [2022-01-18 01:09:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.632746607994133) internal successors, (14359), 5454 states have internal predecessors, (14359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14359 transitions. [2022-01-18 01:09:28,805 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14359 transitions. Word has length 135 [2022-01-18 01:09:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:28,805 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14359 transitions. [2022-01-18 01:09:28,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14359 transitions. [2022-01-18 01:09:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:28,810 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:28,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:28,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-01-18 01:09:28,810 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:28,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:28,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1332524563, now seen corresponding path program 143 times [2022-01-18 01:09:28,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:28,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259608781] [2022-01-18 01:09:28,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:28,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:29,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:29,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259608781] [2022-01-18 01:09:29,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259608781] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:29,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:29,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:29,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406674759] [2022-01-18 01:09:29,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:29,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:29,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:29,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:29,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:29,148 INFO L87 Difference]: Start difference. First operand 5455 states and 14359 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:31,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:31,317 INFO L93 Difference]: Finished difference Result 11810 states and 31060 transitions. [2022-01-18 01:09:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:09:31,317 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:31,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:31,333 INFO L225 Difference]: With dead ends: 11810 [2022-01-18 01:09:31,333 INFO L226 Difference]: Without dead ends: 11539 [2022-01-18 01:09:31,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=865, Invalid=2795, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:09:31,334 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1104 mSDsluCounter, 6866 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:31,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1104 Valid, 7135 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:31,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11539 states. [2022-01-18 01:09:31,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11539 to 5447. [2022-01-18 01:09:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.633308850532501) internal successors, (14341), 5446 states have internal predecessors, (14341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14341 transitions. [2022-01-18 01:09:31,423 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14341 transitions. Word has length 135 [2022-01-18 01:09:31,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:31,423 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14341 transitions. [2022-01-18 01:09:31,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14341 transitions. [2022-01-18 01:09:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:31,428 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:31,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:31,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-01-18 01:09:31,429 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:31,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:31,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1705304729, now seen corresponding path program 144 times [2022-01-18 01:09:31,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:31,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946591769] [2022-01-18 01:09:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:31,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:31,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:31,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946591769] [2022-01-18 01:09:31,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946591769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:31,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:31,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:31,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476424849] [2022-01-18 01:09:31,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:31,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:31,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:31,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:31,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:31,803 INFO L87 Difference]: Start difference. First operand 5447 states and 14341 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:34,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:34,261 INFO L93 Difference]: Finished difference Result 11980 states and 31498 transitions. [2022-01-18 01:09:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:09:34,261 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:34,274 INFO L225 Difference]: With dead ends: 11980 [2022-01-18 01:09:34,275 INFO L226 Difference]: Without dead ends: 11683 [2022-01-18 01:09:34,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=997, Invalid=3293, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:09:34,275 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 1180 mSDsluCounter, 7462 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 7703 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:34,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1180 Valid, 7703 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:34,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11683 states. [2022-01-18 01:09:34,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11683 to 5451. [2022-01-18 01:09:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 2.6326605504587155) internal successors, (14348), 5450 states have internal predecessors, (14348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 14348 transitions. [2022-01-18 01:09:34,360 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 14348 transitions. Word has length 135 [2022-01-18 01:09:34,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:34,360 INFO L470 AbstractCegarLoop]: Abstraction has 5451 states and 14348 transitions. [2022-01-18 01:09:34,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 14348 transitions. [2022-01-18 01:09:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:34,365 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:34,365 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:34,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-01-18 01:09:34,366 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:34,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:34,366 INFO L85 PathProgramCache]: Analyzing trace with hash -711273051, now seen corresponding path program 145 times [2022-01-18 01:09:34,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:34,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922808783] [2022-01-18 01:09:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:34,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:34,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:34,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922808783] [2022-01-18 01:09:34,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922808783] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:34,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:34,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:34,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955149346] [2022-01-18 01:09:34,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:34,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:34,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:34,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:34,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:34,715 INFO L87 Difference]: Start difference. First operand 5451 states and 14348 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:36,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:36,834 INFO L93 Difference]: Finished difference Result 11864 states and 31200 transitions. [2022-01-18 01:09:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:09:36,834 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:36,850 INFO L225 Difference]: With dead ends: 11864 [2022-01-18 01:09:36,850 INFO L226 Difference]: Without dead ends: 11598 [2022-01-18 01:09:36,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=841, Invalid=2819, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:09:36,851 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 1117 mSDsluCounter, 6982 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:36,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1117 Valid, 7240 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:36,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11598 states. [2022-01-18 01:09:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11598 to 5455. [2022-01-18 01:09:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.632013201320132) internal successors, (14355), 5454 states have internal predecessors, (14355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14355 transitions. [2022-01-18 01:09:36,941 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14355 transitions. Word has length 135 [2022-01-18 01:09:36,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:36,941 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14355 transitions. [2022-01-18 01:09:36,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:36,941 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14355 transitions. [2022-01-18 01:09:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:36,946 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:36,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:36,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-01-18 01:09:36,946 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:36,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1414845773, now seen corresponding path program 146 times [2022-01-18 01:09:36,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:36,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202154749] [2022-01-18 01:09:36,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:36,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:37,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:37,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202154749] [2022-01-18 01:09:37,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202154749] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:37,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:37,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:37,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918368157] [2022-01-18 01:09:37,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:37,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:37,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:37,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:37,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:37,320 INFO L87 Difference]: Start difference. First operand 5455 states and 14355 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:39,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:39,421 INFO L93 Difference]: Finished difference Result 11810 states and 31056 transitions. [2022-01-18 01:09:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:09:39,421 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:39,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:39,436 INFO L225 Difference]: With dead ends: 11810 [2022-01-18 01:09:39,437 INFO L226 Difference]: Without dead ends: 11535 [2022-01-18 01:09:39,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=843, Invalid=2697, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:09:39,437 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 1091 mSDsluCounter, 6470 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:39,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1091 Valid, 6744 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11535 states. [2022-01-18 01:09:39,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11535 to 5443. [2022-01-18 01:09:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5442 states have (on average 2.633223079750092) internal successors, (14330), 5442 states have internal predecessors, (14330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 14330 transitions. [2022-01-18 01:09:39,530 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 14330 transitions. Word has length 135 [2022-01-18 01:09:39,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:39,530 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 14330 transitions. [2022-01-18 01:09:39,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 14330 transitions. [2022-01-18 01:09:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:39,535 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:39,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:39,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-01-18 01:09:39,535 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:39,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash 795539721, now seen corresponding path program 147 times [2022-01-18 01:09:39,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:39,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026594132] [2022-01-18 01:09:39,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:39,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:39,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:39,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026594132] [2022-01-18 01:09:39,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026594132] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:39,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:39,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:39,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694246341] [2022-01-18 01:09:39,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:39,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:39,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:39,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:39,886 INFO L87 Difference]: Start difference. First operand 5443 states and 14330 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:42,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:42,621 INFO L93 Difference]: Finished difference Result 12147 states and 31926 transitions. [2022-01-18 01:09:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:09:42,622 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:42,637 INFO L225 Difference]: With dead ends: 12147 [2022-01-18 01:09:42,637 INFO L226 Difference]: Without dead ends: 11757 [2022-01-18 01:09:42,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1208, Invalid=3904, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:09:42,638 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 1252 mSDsluCounter, 7174 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 7420 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:42,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1252 Valid, 7420 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:42,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11757 states. [2022-01-18 01:09:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11757 to 5455. [2022-01-18 01:09:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.6312797946461313) internal successors, (14351), 5454 states have internal predecessors, (14351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14351 transitions. [2022-01-18 01:09:42,743 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14351 transitions. Word has length 135 [2022-01-18 01:09:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:42,743 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14351 transitions. [2022-01-18 01:09:42,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14351 transitions. [2022-01-18 01:09:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:42,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:42,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:42,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-01-18 01:09:42,748 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:42,749 INFO L85 PathProgramCache]: Analyzing trace with hash 402074685, now seen corresponding path program 148 times [2022-01-18 01:09:42,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:42,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095228562] [2022-01-18 01:09:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:42,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:43,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:43,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095228562] [2022-01-18 01:09:43,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095228562] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:43,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:43,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:43,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666793893] [2022-01-18 01:09:43,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:43,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:43,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:43,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:43,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:43,084 INFO L87 Difference]: Start difference. First operand 5455 states and 14351 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:45,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:45,549 INFO L93 Difference]: Finished difference Result 11996 states and 31530 transitions. [2022-01-18 01:09:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:09:45,549 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:45,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:45,565 INFO L225 Difference]: With dead ends: 11996 [2022-01-18 01:09:45,565 INFO L226 Difference]: Without dead ends: 11699 [2022-01-18 01:09:45,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1022, Invalid=3400, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:09:45,566 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 1180 mSDsluCounter, 7477 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 7720 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:45,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1180 Valid, 7720 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:45,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11699 states. [2022-01-18 01:09:45,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11699 to 5459. [2022-01-18 01:09:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5459 states, 5458 states have (on average 2.630633931843166) internal successors, (14358), 5458 states have internal predecessors, (14358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5459 states to 5459 states and 14358 transitions. [2022-01-18 01:09:45,657 INFO L78 Accepts]: Start accepts. Automaton has 5459 states and 14358 transitions. Word has length 135 [2022-01-18 01:09:45,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:45,657 INFO L470 AbstractCegarLoop]: Abstraction has 5459 states and 14358 transitions. [2022-01-18 01:09:45,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5459 states and 14358 transitions. [2022-01-18 01:09:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:45,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:45,662 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:45,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-01-18 01:09:45,662 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:45,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:45,663 INFO L85 PathProgramCache]: Analyzing trace with hash -2014503095, now seen corresponding path program 149 times [2022-01-18 01:09:45,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:45,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953412539] [2022-01-18 01:09:45,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:45,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:46,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:46,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953412539] [2022-01-18 01:09:46,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953412539] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:46,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:46,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:46,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066508450] [2022-01-18 01:09:46,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:46,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:46,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:46,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:46,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:46,032 INFO L87 Difference]: Start difference. First operand 5459 states and 14358 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:48,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:48,224 INFO L93 Difference]: Finished difference Result 11880 states and 31232 transitions. [2022-01-18 01:09:48,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:09:48,224 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:48,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:48,237 INFO L225 Difference]: With dead ends: 11880 [2022-01-18 01:09:48,237 INFO L226 Difference]: Without dead ends: 11614 [2022-01-18 01:09:48,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=835, Invalid=2825, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:09:48,237 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1134 mSDsluCounter, 6946 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 7204 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:48,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1134 Valid, 7204 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:48,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11614 states. [2022-01-18 01:09:48,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11614 to 5463. [2022-01-18 01:09:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5463 states, 5462 states have (on average 2.629989015012816) internal successors, (14365), 5462 states have internal predecessors, (14365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5463 states to 5463 states and 14365 transitions. [2022-01-18 01:09:48,321 INFO L78 Accepts]: Start accepts. Automaton has 5463 states and 14365 transitions. Word has length 135 [2022-01-18 01:09:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:48,322 INFO L470 AbstractCegarLoop]: Abstraction has 5463 states and 14365 transitions. [2022-01-18 01:09:48,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5463 states and 14365 transitions. [2022-01-18 01:09:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:48,327 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:48,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:48,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-01-18 01:09:48,327 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash 111615729, now seen corresponding path program 150 times [2022-01-18 01:09:48,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:48,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249324167] [2022-01-18 01:09:48,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:48,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:48,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:48,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249324167] [2022-01-18 01:09:48,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249324167] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:48,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:48,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:48,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39691282] [2022-01-18 01:09:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:48,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:48,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:48,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:48,664 INFO L87 Difference]: Start difference. First operand 5463 states and 14365 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:50,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:50,727 INFO L93 Difference]: Finished difference Result 11818 states and 31066 transitions. [2022-01-18 01:09:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:09:50,727 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:50,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:50,743 INFO L225 Difference]: With dead ends: 11818 [2022-01-18 01:09:50,743 INFO L226 Difference]: Without dead ends: 11523 [2022-01-18 01:09:50,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=807, Invalid=2615, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:09:50,743 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1085 mSDsluCounter, 7218 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 7474 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:50,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1085 Valid, 7474 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:50,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11523 states. [2022-01-18 01:09:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11523 to 5431. [2022-01-18 01:09:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5431 states, 5430 states have (on average 2.632965009208103) internal successors, (14297), 5430 states have internal predecessors, (14297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 14297 transitions. [2022-01-18 01:09:50,837 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 14297 transitions. Word has length 135 [2022-01-18 01:09:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:50,837 INFO L470 AbstractCegarLoop]: Abstraction has 5431 states and 14297 transitions. [2022-01-18 01:09:50,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 14297 transitions. [2022-01-18 01:09:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:50,843 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:50,843 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:50,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-01-18 01:09:50,843 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:50,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:50,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220151, now seen corresponding path program 151 times [2022-01-18 01:09:50,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:50,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474450746] [2022-01-18 01:09:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:50,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:51,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:51,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474450746] [2022-01-18 01:09:51,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474450746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:51,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:51,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:51,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743406103] [2022-01-18 01:09:51,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:51,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:51,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:51,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:51,209 INFO L87 Difference]: Start difference. First operand 5431 states and 14297 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:54,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:54,324 INFO L93 Difference]: Finished difference Result 12181 states and 31920 transitions. [2022-01-18 01:09:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:09:54,324 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:54,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:54,337 INFO L225 Difference]: With dead ends: 12181 [2022-01-18 01:09:54,338 INFO L226 Difference]: Without dead ends: 11760 [2022-01-18 01:09:54,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1391, Invalid=4309, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:09:54,338 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 1509 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 7925 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:54,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1509 Valid, 7925 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:54,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11760 states. [2022-01-18 01:09:54,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11760 to 5435. [2022-01-18 01:09:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5435 states, 5434 states have (on average 2.632315053367685) internal successors, (14304), 5434 states have internal predecessors, (14304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 14304 transitions. [2022-01-18 01:09:54,415 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 14304 transitions. Word has length 135 [2022-01-18 01:09:54,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:54,415 INFO L470 AbstractCegarLoop]: Abstraction has 5435 states and 14304 transitions. [2022-01-18 01:09:54,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 14304 transitions. [2022-01-18 01:09:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:54,419 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:54,420 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:54,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-01-18 01:09:54,420 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1602527007, now seen corresponding path program 152 times [2022-01-18 01:09:54,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:54,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865774519] [2022-01-18 01:09:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:54,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:54,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:54,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865774519] [2022-01-18 01:09:54,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865774519] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:54,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:54,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:54,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882170823] [2022-01-18 01:09:54,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:54,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:54,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:54,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:54,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:54,761 INFO L87 Difference]: Start difference. First operand 5435 states and 14304 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:09:57,505 INFO L93 Difference]: Finished difference Result 11979 states and 31460 transitions. [2022-01-18 01:09:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:09:57,506 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:09:57,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:09:57,522 INFO L225 Difference]: With dead ends: 11979 [2022-01-18 01:09:57,522 INFO L226 Difference]: Without dead ends: 11589 [2022-01-18 01:09:57,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1226, Invalid=4030, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:09:57,523 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 1252 mSDsluCounter, 7189 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 7436 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:09:57,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1252 Valid, 7436 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:09:57,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11589 states. [2022-01-18 01:09:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11589 to 5447. [2022-01-18 01:09:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.630370914432611) internal successors, (14325), 5446 states have internal predecessors, (14325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14325 transitions. [2022-01-18 01:09:57,612 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14325 transitions. Word has length 135 [2022-01-18 01:09:57,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:09:57,612 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14325 transitions. [2022-01-18 01:09:57,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:09:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14325 transitions. [2022-01-18 01:09:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:09:57,616 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:09:57,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:09:57,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-01-18 01:09:57,617 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:09:57,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:09:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1547344085, now seen corresponding path program 153 times [2022-01-18 01:09:57,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:09:57,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33452972] [2022-01-18 01:09:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:09:57,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:09:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:09:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:09:58,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:09:58,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33452972] [2022-01-18 01:09:58,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33452972] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:09:58,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:09:58,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:09:58,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144439466] [2022-01-18 01:09:58,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:09:58,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:09:58,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:09:58,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:09:58,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:09:58,007 INFO L87 Difference]: Start difference. First operand 5447 states and 14325 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:00,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:00,442 INFO L93 Difference]: Finished difference Result 11836 states and 31086 transitions. [2022-01-18 01:10:00,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:10:00,442 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:00,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:00,457 INFO L225 Difference]: With dead ends: 11836 [2022-01-18 01:10:00,457 INFO L226 Difference]: Without dead ends: 11539 [2022-01-18 01:10:00,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1011, Invalid=3411, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:10:00,458 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1181 mSDsluCounter, 7459 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 7699 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:00,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1181 Valid, 7699 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11539 states. [2022-01-18 01:10:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11539 to 5451. [2022-01-18 01:10:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 2.629724770642202) internal successors, (14332), 5450 states have internal predecessors, (14332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 14332 transitions. [2022-01-18 01:10:00,544 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 14332 transitions. Word has length 135 [2022-01-18 01:10:00,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:00,544 INFO L470 AbstractCegarLoop]: Abstraction has 5451 states and 14332 transitions. [2022-01-18 01:10:00,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 14332 transitions. [2022-01-18 01:10:00,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:00,549 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:00,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:00,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-01-18 01:10:00,549 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash -869233695, now seen corresponding path program 154 times [2022-01-18 01:10:00,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:00,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093013434] [2022-01-18 01:10:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:00,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:00,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:00,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093013434] [2022-01-18 01:10:00,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093013434] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:00,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:00,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:00,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877677786] [2022-01-18 01:10:00,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:00,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:00,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:00,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:00,902 INFO L87 Difference]: Start difference. First operand 5451 states and 14332 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:02,986 INFO L93 Difference]: Finished difference Result 11736 states and 30832 transitions. [2022-01-18 01:10:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:10:02,986 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:03,003 INFO L225 Difference]: With dead ends: 11736 [2022-01-18 01:10:03,003 INFO L226 Difference]: Without dead ends: 11470 [2022-01-18 01:10:03,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=831, Invalid=2829, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:10:03,004 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1128 mSDsluCounter, 6928 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 7183 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:03,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1128 Valid, 7183 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11470 states. [2022-01-18 01:10:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11470 to 5455. [2022-01-18 01:10:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.629079574624129) internal successors, (14339), 5454 states have internal predecessors, (14339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14339 transitions. [2022-01-18 01:10:03,107 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14339 transitions. Word has length 135 [2022-01-18 01:10:03,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:03,107 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14339 transitions. [2022-01-18 01:10:03,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14339 transitions. [2022-01-18 01:10:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:03,112 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:03,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:03,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-01-18 01:10:03,113 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:03,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:03,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1256885129, now seen corresponding path program 155 times [2022-01-18 01:10:03,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:03,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009741752] [2022-01-18 01:10:03,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:03,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:03,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:03,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009741752] [2022-01-18 01:10:03,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009741752] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:03,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:03,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:03,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682417447] [2022-01-18 01:10:03,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:03,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:03,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:03,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:03,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:03,479 INFO L87 Difference]: Start difference. First operand 5455 states and 14339 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:05,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:05,492 INFO L93 Difference]: Finished difference Result 11602 states and 30484 transitions. [2022-01-18 01:10:05,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:10:05,492 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:05,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:05,509 INFO L225 Difference]: With dead ends: 11602 [2022-01-18 01:10:05,509 INFO L226 Difference]: Without dead ends: 11299 [2022-01-18 01:10:05,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=781, Invalid=2525, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:10:05,509 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 1082 mSDsluCounter, 7185 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 7438 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:05,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1082 Valid, 7438 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:05,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11299 states. [2022-01-18 01:10:05,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11299 to 5415. [2022-01-18 01:10:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5415 states, 5414 states have (on average 2.6333579608422606) internal successors, (14257), 5414 states have internal predecessors, (14257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5415 states to 5415 states and 14257 transitions. [2022-01-18 01:10:05,605 INFO L78 Accepts]: Start accepts. Automaton has 5415 states and 14257 transitions. Word has length 135 [2022-01-18 01:10:05,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:05,605 INFO L470 AbstractCegarLoop]: Abstraction has 5415 states and 14257 transitions. [2022-01-18 01:10:05,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5415 states and 14257 transitions. [2022-01-18 01:10:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:05,611 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:05,611 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:05,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-01-18 01:10:05,611 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:05,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:05,611 INFO L85 PathProgramCache]: Analyzing trace with hash 423770293, now seen corresponding path program 156 times [2022-01-18 01:10:05,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:05,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86493040] [2022-01-18 01:10:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:05,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:05,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:05,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86493040] [2022-01-18 01:10:05,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86493040] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:05,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:05,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:05,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806503024] [2022-01-18 01:10:05,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:05,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:05,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:05,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:05,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:05,951 INFO L87 Difference]: Start difference. First operand 5415 states and 14257 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:08,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:08,368 INFO L93 Difference]: Finished difference Result 11510 states and 30263 transitions. [2022-01-18 01:10:08,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:10:08,368 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:08,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:08,382 INFO L225 Difference]: With dead ends: 11510 [2022-01-18 01:10:08,382 INFO L226 Difference]: Without dead ends: 11219 [2022-01-18 01:10:08,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=979, Invalid=3053, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:10:08,382 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 1148 mSDsluCounter, 6969 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 7243 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:08,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1148 Valid, 7243 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:08,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11219 states. [2022-01-18 01:10:08,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11219 to 5491. [2022-01-18 01:10:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5490 states have (on average 2.6342440801457196) internal successors, (14462), 5490 states have internal predecessors, (14462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 14462 transitions. [2022-01-18 01:10:08,460 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 14462 transitions. Word has length 135 [2022-01-18 01:10:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:08,460 INFO L470 AbstractCegarLoop]: Abstraction has 5491 states and 14462 transitions. [2022-01-18 01:10:08,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 14462 transitions. [2022-01-18 01:10:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:08,465 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:08,465 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:08,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-01-18 01:10:08,465 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:08,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:08,465 INFO L85 PathProgramCache]: Analyzing trace with hash 132064265, now seen corresponding path program 157 times [2022-01-18 01:10:08,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:08,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165962768] [2022-01-18 01:10:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:08,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:08,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:08,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165962768] [2022-01-18 01:10:08,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165962768] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:08,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:08,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:08,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133787369] [2022-01-18 01:10:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:08,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:08,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:08,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:08,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:08,813 INFO L87 Difference]: Start difference. First operand 5491 states and 14462 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:10,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:10,907 INFO L93 Difference]: Finished difference Result 11524 states and 30293 transitions. [2022-01-18 01:10:10,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:10:10,907 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:10,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:10,923 INFO L225 Difference]: With dead ends: 11524 [2022-01-18 01:10:10,923 INFO L226 Difference]: Without dead ends: 11258 [2022-01-18 01:10:10,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=805, Invalid=2735, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:10:10,924 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 1109 mSDsluCounter, 7452 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 7709 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:10,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1109 Valid, 7709 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11258 states. [2022-01-18 01:10:11,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11258 to 5495. [2022-01-18 01:10:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.633600291226793) internal successors, (14469), 5494 states have internal predecessors, (14469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14469 transitions. [2022-01-18 01:10:11,016 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14469 transitions. Word has length 135 [2022-01-18 01:10:11,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:11,017 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14469 transitions. [2022-01-18 01:10:11,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14469 transitions. [2022-01-18 01:10:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:11,022 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:11,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:11,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-01-18 01:10:11,022 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:11,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:11,022 INFO L85 PathProgramCache]: Analyzing trace with hash -2036784207, now seen corresponding path program 158 times [2022-01-18 01:10:11,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:11,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357222098] [2022-01-18 01:10:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:11,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:11,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:11,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357222098] [2022-01-18 01:10:11,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357222098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:11,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:11,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:11,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154937893] [2022-01-18 01:10:11,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:11,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:11,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:11,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:11,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:11,362 INFO L87 Difference]: Start difference. First operand 5495 states and 14469 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:13,548 INFO L93 Difference]: Finished difference Result 11486 states and 30193 transitions. [2022-01-18 01:10:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:10:13,548 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:13,560 INFO L225 Difference]: With dead ends: 11486 [2022-01-18 01:10:13,560 INFO L226 Difference]: Without dead ends: 11215 [2022-01-18 01:10:13,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=863, Invalid=2797, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:10:13,560 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1121 mSDsluCounter, 6958 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 7234 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:13,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1121 Valid, 7234 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:13,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11215 states. [2022-01-18 01:10:13,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11215 to 5487. [2022-01-18 01:10:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.6341596791833757) internal successors, (14451), 5486 states have internal predecessors, (14451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14451 transitions. [2022-01-18 01:10:13,633 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14451 transitions. Word has length 135 [2022-01-18 01:10:13,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:13,633 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14451 transitions. [2022-01-18 01:10:13,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14451 transitions. [2022-01-18 01:10:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:13,638 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:13,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:13,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-01-18 01:10:13,638 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:13,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:13,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1664004041, now seen corresponding path program 159 times [2022-01-18 01:10:13,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:13,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489222444] [2022-01-18 01:10:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:13,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:13,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:13,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489222444] [2022-01-18 01:10:13,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489222444] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:13,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:13,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:13,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415147260] [2022-01-18 01:10:13,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:13,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:13,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:13,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:13,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:13,974 INFO L87 Difference]: Start difference. First operand 5487 states and 14451 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:16,374 INFO L93 Difference]: Finished difference Result 11656 states and 30631 transitions. [2022-01-18 01:10:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:10:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:16,389 INFO L225 Difference]: With dead ends: 11656 [2022-01-18 01:10:16,389 INFO L226 Difference]: Without dead ends: 11359 [2022-01-18 01:10:16,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=988, Invalid=3302, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:10:16,390 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 1167 mSDsluCounter, 7971 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 8209 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:16,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 8209 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:16,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11359 states. [2022-01-18 01:10:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11359 to 5491. [2022-01-18 01:10:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5490 states have (on average 2.6335154826958105) internal successors, (14458), 5490 states have internal predecessors, (14458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 14458 transitions. [2022-01-18 01:10:16,481 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 14458 transitions. Word has length 135 [2022-01-18 01:10:16,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:16,482 INFO L470 AbstractCegarLoop]: Abstraction has 5491 states and 14458 transitions. [2022-01-18 01:10:16,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:16,482 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 14458 transitions. [2022-01-18 01:10:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:16,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:16,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:16,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-01-18 01:10:16,487 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:16,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash 214385475, now seen corresponding path program 160 times [2022-01-18 01:10:16,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:16,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901469152] [2022-01-18 01:10:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:16,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:16,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:16,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901469152] [2022-01-18 01:10:16,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901469152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:16,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:16,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:16,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115786553] [2022-01-18 01:10:16,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:16,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:16,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:16,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:16,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:16,861 INFO L87 Difference]: Start difference. First operand 5491 states and 14458 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:19,044 INFO L93 Difference]: Finished difference Result 11540 states and 30333 transitions. [2022-01-18 01:10:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:10:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:19,056 INFO L225 Difference]: With dead ends: 11540 [2022-01-18 01:10:19,056 INFO L226 Difference]: Without dead ends: 11274 [2022-01-18 01:10:19,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=834, Invalid=2826, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:10:19,057 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 1119 mSDsluCounter, 7458 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 7716 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:19,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1119 Valid, 7716 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:19,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11274 states. [2022-01-18 01:10:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11274 to 5495. [2022-01-18 01:10:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.6328722242446303) internal successors, (14465), 5494 states have internal predecessors, (14465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14465 transitions. [2022-01-18 01:10:19,131 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14465 transitions. Word has length 135 [2022-01-18 01:10:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:19,131 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14465 transitions. [2022-01-18 01:10:19,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14465 transitions. [2022-01-18 01:10:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:19,136 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:19,136 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:19,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-01-18 01:10:19,136 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:19,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:19,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1954462997, now seen corresponding path program 161 times [2022-01-18 01:10:19,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:19,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216286873] [2022-01-18 01:10:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:19,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:19,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:19,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216286873] [2022-01-18 01:10:19,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216286873] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:19,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:19,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:19,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990294016] [2022-01-18 01:10:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:19,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:19,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:19,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:19,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:19,458 INFO L87 Difference]: Start difference. First operand 5495 states and 14465 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:21,429 INFO L93 Difference]: Finished difference Result 11486 states and 30189 transitions. [2022-01-18 01:10:21,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:10:21,429 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:21,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:21,444 INFO L225 Difference]: With dead ends: 11486 [2022-01-18 01:10:21,444 INFO L226 Difference]: Without dead ends: 11211 [2022-01-18 01:10:21,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=835, Invalid=2705, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:10:21,444 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1117 mSDsluCounter, 6199 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 6484 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:21,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1117 Valid, 6484 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:10:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11211 states. [2022-01-18 01:10:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11211 to 5483. [2022-01-18 01:10:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5482 states have (on average 2.6340751550529005) internal successors, (14440), 5482 states have internal predecessors, (14440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 14440 transitions. [2022-01-18 01:10:21,528 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 14440 transitions. Word has length 135 [2022-01-18 01:10:21,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:21,528 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 14440 transitions. [2022-01-18 01:10:21,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 14440 transitions. [2022-01-18 01:10:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:21,533 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:21,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:21,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-01-18 01:10:21,533 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:21,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:21,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1721198247, now seen corresponding path program 162 times [2022-01-18 01:10:21,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:21,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359603766] [2022-01-18 01:10:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:21,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:21,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:21,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359603766] [2022-01-18 01:10:21,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359603766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:21,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:21,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:21,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136623433] [2022-01-18 01:10:21,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:21,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:21,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:21,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:21,909 INFO L87 Difference]: Start difference. First operand 5483 states and 14440 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:24,689 INFO L93 Difference]: Finished difference Result 11823 states and 31059 transitions. [2022-01-18 01:10:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:10:24,689 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:24,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:24,701 INFO L225 Difference]: With dead ends: 11823 [2022-01-18 01:10:24,702 INFO L226 Difference]: Without dead ends: 11433 [2022-01-18 01:10:24,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1193, Invalid=3919, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:10:24,702 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 1251 mSDsluCounter, 7268 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 7521 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:24,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1251 Valid, 7521 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:24,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11433 states. [2022-01-18 01:10:24,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11433 to 5495. [2022-01-18 01:10:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.632144157262468) internal successors, (14461), 5494 states have internal predecessors, (14461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14461 transitions. [2022-01-18 01:10:24,777 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14461 transitions. Word has length 135 [2022-01-18 01:10:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:24,777 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14461 transitions. [2022-01-18 01:10:24,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14461 transitions. [2022-01-18 01:10:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:24,782 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:24,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:24,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-01-18 01:10:24,782 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:24,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:24,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1327733211, now seen corresponding path program 163 times [2022-01-18 01:10:24,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:24,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11052888] [2022-01-18 01:10:24,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:24,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:25,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:25,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11052888] [2022-01-18 01:10:25,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11052888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:25,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:25,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:25,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778501353] [2022-01-18 01:10:25,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:25,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:25,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:25,115 INFO L87 Difference]: Start difference. First operand 5495 states and 14461 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:27,530 INFO L93 Difference]: Finished difference Result 11672 states and 30663 transitions. [2022-01-18 01:10:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:10:27,531 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:27,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:27,546 INFO L225 Difference]: With dead ends: 11672 [2022-01-18 01:10:27,546 INFO L226 Difference]: Without dead ends: 11375 [2022-01-18 01:10:27,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1012, Invalid=3410, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:10:27,547 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 1182 mSDsluCounter, 7170 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 7430 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:27,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1182 Valid, 7430 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:27,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11375 states. [2022-01-18 01:10:27,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11375 to 5499. [2022-01-18 01:10:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 5498 states have (on average 2.6315023644961806) internal successors, (14468), 5498 states have internal predecessors, (14468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 14468 transitions. [2022-01-18 01:10:27,638 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 14468 transitions. Word has length 135 [2022-01-18 01:10:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:27,638 INFO L470 AbstractCegarLoop]: Abstraction has 5499 states and 14468 transitions. [2022-01-18 01:10:27,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 14468 transitions. [2022-01-18 01:10:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:27,643 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:27,643 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:27,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-01-18 01:10:27,643 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:27,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1088844569, now seen corresponding path program 164 times [2022-01-18 01:10:27,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:27,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904080804] [2022-01-18 01:10:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:27,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:28,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:28,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904080804] [2022-01-18 01:10:28,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904080804] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:28,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:28,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:28,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883810438] [2022-01-18 01:10:28,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:28,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:28,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:28,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:28,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:28,036 INFO L87 Difference]: Start difference. First operand 5499 states and 14468 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:30,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:30,147 INFO L93 Difference]: Finished difference Result 11556 states and 30365 transitions. [2022-01-18 01:10:30,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:10:30,147 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:30,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:30,162 INFO L225 Difference]: With dead ends: 11556 [2022-01-18 01:10:30,163 INFO L226 Difference]: Without dead ends: 11290 [2022-01-18 01:10:30,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=830, Invalid=2830, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:10:30,163 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 1121 mSDsluCounter, 7043 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 7308 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:30,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1121 Valid, 7308 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:30,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11290 states. [2022-01-18 01:10:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11290 to 5503. [2022-01-18 01:10:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5503 states, 5502 states have (on average 2.6308615049073065) internal successors, (14475), 5502 states have internal predecessors, (14475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5503 states to 5503 states and 14475 transitions. [2022-01-18 01:10:30,252 INFO L78 Accepts]: Start accepts. Automaton has 5503 states and 14475 transitions. Word has length 135 [2022-01-18 01:10:30,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:30,252 INFO L470 AbstractCegarLoop]: Abstraction has 5503 states and 14475 transitions. [2022-01-18 01:10:30,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5503 states and 14475 transitions. [2022-01-18 01:10:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:30,257 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:30,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:30,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-01-18 01:10:30,258 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:30,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:30,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1037274255, now seen corresponding path program 165 times [2022-01-18 01:10:30,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:30,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800905037] [2022-01-18 01:10:30,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:30,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:30,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:30,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800905037] [2022-01-18 01:10:30,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800905037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:30,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:30,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:30,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027973432] [2022-01-18 01:10:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:30,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:30,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:30,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:30,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:30,630 INFO L87 Difference]: Start difference. First operand 5503 states and 14475 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:32,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:32,660 INFO L93 Difference]: Finished difference Result 11494 states and 30199 transitions. [2022-01-18 01:10:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:10:32,661 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:32,677 INFO L225 Difference]: With dead ends: 11494 [2022-01-18 01:10:32,677 INFO L226 Difference]: Without dead ends: 11199 [2022-01-18 01:10:32,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=813, Invalid=2609, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:10:32,677 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 1097 mSDsluCounter, 6156 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 6443 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:32,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1097 Valid, 6443 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:10:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11199 states. [2022-01-18 01:10:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11199 to 5471. [2022-01-18 01:10:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5471 states, 5470 states have (on average 2.63382084095064) internal successors, (14407), 5470 states have internal predecessors, (14407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 14407 transitions. [2022-01-18 01:10:32,771 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 14407 transitions. Word has length 135 [2022-01-18 01:10:32,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:32,771 INFO L470 AbstractCegarLoop]: Abstraction has 5471 states and 14407 transitions. [2022-01-18 01:10:32,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 14407 transitions. [2022-01-18 01:10:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:32,777 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:32,777 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:32,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-01-18 01:10:32,777 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:32,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1774088619, now seen corresponding path program 166 times [2022-01-18 01:10:32,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:32,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881749016] [2022-01-18 01:10:32,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:32,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:33,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:33,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881749016] [2022-01-18 01:10:33,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881749016] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:33,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:33,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:33,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71648873] [2022-01-18 01:10:33,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:33,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:33,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:33,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:33,162 INFO L87 Difference]: Start difference. First operand 5471 states and 14407 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:36,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:36,239 INFO L93 Difference]: Finished difference Result 12065 states and 31609 transitions. [2022-01-18 01:10:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:10:36,239 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:36,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:36,255 INFO L225 Difference]: With dead ends: 12065 [2022-01-18 01:10:36,255 INFO L226 Difference]: Without dead ends: 11644 [2022-01-18 01:10:36,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1375, Invalid=4325, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:10:36,256 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 1521 mSDsluCounter, 7403 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:36,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1521 Valid, 7653 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11644 states. [2022-01-18 01:10:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11644 to 5475. [2022-01-18 01:10:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 5474 states have (on average 2.6331750091340886) internal successors, (14414), 5474 states have internal predecessors, (14414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 14414 transitions. [2022-01-18 01:10:36,344 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 14414 transitions. Word has length 135 [2022-01-18 01:10:36,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:36,344 INFO L470 AbstractCegarLoop]: Abstraction has 5475 states and 14414 transitions. [2022-01-18 01:10:36,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 14414 transitions. [2022-01-18 01:10:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:36,349 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:36,349 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:36,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-01-18 01:10:36,349 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash -676868481, now seen corresponding path program 167 times [2022-01-18 01:10:36,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:36,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215576552] [2022-01-18 01:10:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:36,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:36,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215576552] [2022-01-18 01:10:36,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215576552] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:36,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:36,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:36,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549291014] [2022-01-18 01:10:36,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:36,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:36,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:36,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:36,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:36,694 INFO L87 Difference]: Start difference. First operand 5475 states and 14414 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:39,416 INFO L93 Difference]: Finished difference Result 11839 states and 31091 transitions. [2022-01-18 01:10:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:10:39,416 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:39,429 INFO L225 Difference]: With dead ends: 11839 [2022-01-18 01:10:39,429 INFO L226 Difference]: Without dead ends: 11449 [2022-01-18 01:10:39,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1212, Invalid=4044, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:10:39,429 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1258 mSDsluCounter, 7309 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 7564 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:39,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1258 Valid, 7564 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:39,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11449 states. [2022-01-18 01:10:39,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11449 to 5487. [2022-01-18 01:10:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 5486 states have (on average 2.6312431644185197) internal successors, (14435), 5486 states have internal predecessors, (14435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 14435 transitions. [2022-01-18 01:10:39,513 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 14435 transitions. Word has length 135 [2022-01-18 01:10:39,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:39,513 INFO L470 AbstractCegarLoop]: Abstraction has 5487 states and 14435 transitions. [2022-01-18 01:10:39,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 14435 transitions. [2022-01-18 01:10:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:39,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:39,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:39,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-01-18 01:10:39,519 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:39,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:39,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1821964685, now seen corresponding path program 168 times [2022-01-18 01:10:39,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:39,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364088091] [2022-01-18 01:10:39,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:39,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:39,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:39,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364088091] [2022-01-18 01:10:39,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364088091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:39,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:39,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:39,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113469404] [2022-01-18 01:10:39,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:39,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:39,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:39,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:39,866 INFO L87 Difference]: Start difference. First operand 5487 states and 14435 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:42,240 INFO L93 Difference]: Finished difference Result 11688 states and 30695 transitions. [2022-01-18 01:10:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:10:42,240 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:42,256 INFO L225 Difference]: With dead ends: 11688 [2022-01-18 01:10:42,256 INFO L226 Difference]: Without dead ends: 11391 [2022-01-18 01:10:42,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1002, Invalid=3420, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:10:42,257 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 1167 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 7837 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:42,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 7837 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11391 states. [2022-01-18 01:10:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11391 to 5491. [2022-01-18 01:10:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5490 states have (on average 2.6306010928961747) internal successors, (14442), 5490 states have internal predecessors, (14442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 14442 transitions. [2022-01-18 01:10:42,350 INFO L78 Accepts]: Start accepts. Automaton has 5491 states and 14442 transitions. Word has length 135 [2022-01-18 01:10:42,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:42,350 INFO L470 AbstractCegarLoop]: Abstraction has 5491 states and 14442 transitions. [2022-01-18 01:10:42,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 14442 transitions. [2022-01-18 01:10:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:42,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:42,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:42,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-01-18 01:10:42,356 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:42,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:42,356 INFO L85 PathProgramCache]: Analyzing trace with hash 56424831, now seen corresponding path program 169 times [2022-01-18 01:10:42,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:42,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641610508] [2022-01-18 01:10:42,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:42,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:42,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:42,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641610508] [2022-01-18 01:10:42,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641610508] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:42,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:42,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:42,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520499938] [2022-01-18 01:10:42,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:42,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:42,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:42,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:42,703 INFO L87 Difference]: Start difference. First operand 5491 states and 14442 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:44,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:44,798 INFO L93 Difference]: Finished difference Result 11572 states and 30397 transitions. [2022-01-18 01:10:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:10:44,798 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:44,813 INFO L225 Difference]: With dead ends: 11572 [2022-01-18 01:10:44,813 INFO L226 Difference]: Without dead ends: 11306 [2022-01-18 01:10:44,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=825, Invalid=2835, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:10:44,814 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 1131 mSDsluCounter, 7051 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 7314 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:44,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1131 Valid, 7314 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11306 states. [2022-01-18 01:10:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11306 to 5495. [2022-01-18 01:10:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 5494 states have (on average 2.629959956315981) internal successors, (14449), 5494 states have internal predecessors, (14449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 14449 transitions. [2022-01-18 01:10:44,903 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 14449 transitions. Word has length 135 [2022-01-18 01:10:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:44,903 INFO L470 AbstractCegarLoop]: Abstraction has 5495 states and 14449 transitions. [2022-01-18 01:10:44,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 14449 transitions. [2022-01-18 01:10:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:44,908 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:44,908 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:44,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-01-18 01:10:44,908 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:44,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:44,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2112423641, now seen corresponding path program 170 times [2022-01-18 01:10:44,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:44,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212133345] [2022-01-18 01:10:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:44,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:45,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:45,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212133345] [2022-01-18 01:10:45,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212133345] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:45,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:45,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:45,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387410150] [2022-01-18 01:10:45,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:45,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:45,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:45,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:45,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:45,280 INFO L87 Difference]: Start difference. First operand 5495 states and 14449 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:47,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:47,239 INFO L93 Difference]: Finished difference Result 11486 states and 30173 transitions. [2022-01-18 01:10:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:10:47,240 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:47,254 INFO L225 Difference]: With dead ends: 11486 [2022-01-18 01:10:47,255 INFO L226 Difference]: Without dead ends: 11195 [2022-01-18 01:10:47,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=787, Invalid=2519, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:10:47,255 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1088 mSDsluCounter, 6572 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 6847 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:47,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1088 Valid, 6847 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:10:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11195 states. [2022-01-18 01:10:47,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11195 to 5467. [2022-01-18 01:10:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5467 states, 5466 states have (on average 2.6337358214416393) internal successors, (14396), 5466 states have internal predecessors, (14396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 5467 states and 14396 transitions. [2022-01-18 01:10:47,339 INFO L78 Accepts]: Start accepts. Automaton has 5467 states and 14396 transitions. Word has length 135 [2022-01-18 01:10:47,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:47,339 INFO L470 AbstractCegarLoop]: Abstraction has 5467 states and 14396 transitions. [2022-01-18 01:10:47,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 14396 transitions. [2022-01-18 01:10:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:47,344 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:47,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:47,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-01-18 01:10:47,344 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:47,344 INFO L85 PathProgramCache]: Analyzing trace with hash -773333239, now seen corresponding path program 171 times [2022-01-18 01:10:47,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:47,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825071688] [2022-01-18 01:10:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:47,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:47,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:47,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825071688] [2022-01-18 01:10:47,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825071688] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:47,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:47,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:47,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570266934] [2022-01-18 01:10:47,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:47,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:47,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:47,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:47,712 INFO L87 Difference]: Start difference. First operand 5467 states and 14396 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:51,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:51,040 INFO L93 Difference]: Finished difference Result 11819 states and 30881 transitions. [2022-01-18 01:10:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-18 01:10:51,041 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:51,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:51,054 INFO L225 Difference]: With dead ends: 11819 [2022-01-18 01:10:51,055 INFO L226 Difference]: Without dead ends: 10995 [2022-01-18 01:10:51,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 994 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1531, Invalid=4631, Unknown=0, NotChecked=0, Total=6162 [2022-01-18 01:10:51,055 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 1650 mSDsluCounter, 7644 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 7918 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:51,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1650 Valid, 7918 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10995 states. [2022-01-18 01:10:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10995 to 5519. [2022-01-18 01:10:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5519 states, 5518 states have (on average 2.6254077564334906) internal successors, (14487), 5518 states have internal predecessors, (14487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 14487 transitions. [2022-01-18 01:10:51,141 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 14487 transitions. Word has length 135 [2022-01-18 01:10:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:51,141 INFO L470 AbstractCegarLoop]: Abstraction has 5519 states and 14487 transitions. [2022-01-18 01:10:51,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 14487 transitions. [2022-01-18 01:10:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:51,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:51,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:51,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-01-18 01:10:51,146 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1008716417, now seen corresponding path program 172 times [2022-01-18 01:10:51,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:51,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021038727] [2022-01-18 01:10:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:51,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:51,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:51,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021038727] [2022-01-18 01:10:51,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021038727] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:51,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:51,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:51,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130909620] [2022-01-18 01:10:51,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:51,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:51,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:51,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:51,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:51,492 INFO L87 Difference]: Start difference. First operand 5519 states and 14487 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:54,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:54,485 INFO L93 Difference]: Finished difference Result 11645 states and 30418 transitions. [2022-01-18 01:10:54,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:10:54,486 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:54,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:54,498 INFO L225 Difference]: With dead ends: 11645 [2022-01-18 01:10:54,498 INFO L226 Difference]: Without dead ends: 11224 [2022-01-18 01:10:54,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1360, Invalid=4340, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:10:54,499 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 1524 mSDsluCounter, 7535 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 7795 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:54,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1524 Valid, 7795 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:54,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11224 states. [2022-01-18 01:10:54,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11224 to 5523. [2022-01-18 01:10:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5523 states, 5522 states have (on average 2.62477363274176) internal successors, (14494), 5522 states have internal predecessors, (14494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 14494 transitions. [2022-01-18 01:10:54,574 INFO L78 Accepts]: Start accepts. Automaton has 5523 states and 14494 transitions. Word has length 135 [2022-01-18 01:10:54,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:54,574 INFO L470 AbstractCegarLoop]: Abstraction has 5523 states and 14494 transitions. [2022-01-18 01:10:54,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 14494 transitions. [2022-01-18 01:10:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:54,579 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:54,579 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:54,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-01-18 01:10:54,580 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:54,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:54,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2105936555, now seen corresponding path program 173 times [2022-01-18 01:10:54,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:54,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416980199] [2022-01-18 01:10:54,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:54,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:54,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:54,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416980199] [2022-01-18 01:10:54,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416980199] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:54,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:54,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:54,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010831371] [2022-01-18 01:10:54,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:54,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:54,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:54,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:54,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:54,964 INFO L87 Difference]: Start difference. First operand 5523 states and 14494 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:10:57,749 INFO L93 Difference]: Finished difference Result 11419 states and 29900 transitions. [2022-01-18 01:10:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:10:57,749 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:10:57,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:10:57,763 INFO L225 Difference]: With dead ends: 11419 [2022-01-18 01:10:57,763 INFO L226 Difference]: Without dead ends: 11029 [2022-01-18 01:10:57,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1197, Invalid=4059, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:10:57,764 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 1241 mSDsluCounter, 7883 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 8137 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:10:57,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1241 Valid, 8137 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:10:57,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11029 states. [2022-01-18 01:10:57,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11029 to 5535. [2022-01-18 01:10:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5535 states, 5534 states have (on average 2.6228767618359234) internal successors, (14515), 5534 states have internal predecessors, (14515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5535 states to 5535 states and 14515 transitions. [2022-01-18 01:10:57,846 INFO L78 Accepts]: Start accepts. Automaton has 5535 states and 14515 transitions. Word has length 135 [2022-01-18 01:10:57,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:10:57,846 INFO L470 AbstractCegarLoop]: Abstraction has 5535 states and 14515 transitions. [2022-01-18 01:10:57,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:10:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5535 states and 14515 transitions. [2022-01-18 01:10:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:10:57,851 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:10:57,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:10:57,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-01-18 01:10:57,851 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:10:57,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:10:57,851 INFO L85 PathProgramCache]: Analyzing trace with hash 960840351, now seen corresponding path program 174 times [2022-01-18 01:10:57,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:10:57,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826342944] [2022-01-18 01:10:57,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:10:57,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:10:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:10:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:10:58,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:10:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826342944] [2022-01-18 01:10:58,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826342944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:10:58,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:10:58,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:10:58,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902556505] [2022-01-18 01:10:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:10:58,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:10:58,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:10:58,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:10:58,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:10:58,205 INFO L87 Difference]: Start difference. First operand 5535 states and 14515 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:00,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:00,595 INFO L93 Difference]: Finished difference Result 11268 states and 29504 transitions. [2022-01-18 01:11:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:11:00,595 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:00,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:00,609 INFO L225 Difference]: With dead ends: 11268 [2022-01-18 01:11:00,610 INFO L226 Difference]: Without dead ends: 10971 [2022-01-18 01:11:00,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=992, Invalid=3430, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:11:00,610 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1201 mSDsluCounter, 7318 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:00,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1201 Valid, 7586 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:00,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10971 states. [2022-01-18 01:11:00,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10971 to 5539. [2022-01-18 01:11:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5539 states, 5538 states have (on average 2.6222462983026364) internal successors, (14522), 5538 states have internal predecessors, (14522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5539 states to 5539 states and 14522 transitions. [2022-01-18 01:11:00,697 INFO L78 Accepts]: Start accepts. Automaton has 5539 states and 14522 transitions. Word has length 135 [2022-01-18 01:11:00,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:00,698 INFO L470 AbstractCegarLoop]: Abstraction has 5539 states and 14522 transitions. [2022-01-18 01:11:00,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5539 states and 14522 transitions. [2022-01-18 01:11:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:00,703 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:00,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:00,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-01-18 01:11:00,703 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:00,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:00,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1455737429, now seen corresponding path program 175 times [2022-01-18 01:11:00,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:00,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066918038] [2022-01-18 01:11:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:00,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:01,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:01,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:01,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066918038] [2022-01-18 01:11:01,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066918038] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:01,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:01,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:01,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759779379] [2022-01-18 01:11:01,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:01,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:01,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:01,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:01,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:01,060 INFO L87 Difference]: Start difference. First operand 5539 states and 14522 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:03,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:03,144 INFO L93 Difference]: Finished difference Result 11152 states and 29206 transitions. [2022-01-18 01:11:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:11:03,144 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:03,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:03,159 INFO L225 Difference]: With dead ends: 11152 [2022-01-18 01:11:03,159 INFO L226 Difference]: Without dead ends: 10886 [2022-01-18 01:11:03,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=819, Invalid=2841, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:11:03,160 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 1135 mSDsluCounter, 7187 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 7460 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:03,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1135 Valid, 7460 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:03,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-01-18 01:11:03,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 5543. [2022-01-18 01:11:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5543 states, 5542 states have (on average 2.621616744857452) internal successors, (14529), 5542 states have internal predecessors, (14529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5543 states to 5543 states and 14529 transitions. [2022-01-18 01:11:03,247 INFO L78 Accepts]: Start accepts. Automaton has 5543 states and 14529 transitions. Word has length 135 [2022-01-18 01:11:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:03,247 INFO L470 AbstractCegarLoop]: Abstraction has 5543 states and 14529 transitions. [2022-01-18 01:11:03,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5543 states and 14529 transitions. [2022-01-18 01:11:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:03,252 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:03,252 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:03,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-01-18 01:11:03,252 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:03,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:03,253 INFO L85 PathProgramCache]: Analyzing trace with hash 670381395, now seen corresponding path program 176 times [2022-01-18 01:11:03,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:03,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141364133] [2022-01-18 01:11:03,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:03,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:03,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:03,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141364133] [2022-01-18 01:11:03,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141364133] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:03,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:03,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:03,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296820468] [2022-01-18 01:11:03,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:03,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:03,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:03,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:03,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:03,606 INFO L87 Difference]: Start difference. First operand 5543 states and 14529 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:05,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:05,587 INFO L93 Difference]: Finished difference Result 11066 states and 28982 transitions. [2022-01-18 01:11:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:11:05,587 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:05,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:05,600 INFO L225 Difference]: With dead ends: 11066 [2022-01-18 01:11:05,601 INFO L226 Difference]: Without dead ends: 10519 [2022-01-18 01:11:05,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=777, Invalid=2529, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:11:05,601 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 1104 mSDsluCounter, 7086 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 7363 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:05,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1104 Valid, 7363 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10519 states. [2022-01-18 01:11:05,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10519 to 5259. [2022-01-18 01:11:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5259 states, 5258 states have (on average 2.6222898440471663) internal successors, (13788), 5258 states have internal predecessors, (13788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 5259 states and 13788 transitions. [2022-01-18 01:11:05,679 INFO L78 Accepts]: Start accepts. Automaton has 5259 states and 13788 transitions. Word has length 135 [2022-01-18 01:11:05,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:05,679 INFO L470 AbstractCegarLoop]: Abstraction has 5259 states and 13788 transitions. [2022-01-18 01:11:05,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 13788 transitions. [2022-01-18 01:11:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:05,684 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:05,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:05,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-01-18 01:11:05,684 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:05,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:05,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1095253461, now seen corresponding path program 177 times [2022-01-18 01:11:05,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:05,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697015769] [2022-01-18 01:11:05,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:05,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:06,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:06,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697015769] [2022-01-18 01:11:06,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697015769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:06,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:06,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:06,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546352448] [2022-01-18 01:11:06,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:06,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:06,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:06,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:06,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:06,052 INFO L87 Difference]: Start difference. First operand 5259 states and 13788 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:08,810 INFO L93 Difference]: Finished difference Result 10666 states and 27918 transitions. [2022-01-18 01:11:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:11:08,810 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:08,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:08,823 INFO L225 Difference]: With dead ends: 10666 [2022-01-18 01:11:08,824 INFO L226 Difference]: Without dead ends: 10291 [2022-01-18 01:11:08,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 840 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1264, Invalid=3992, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:11:08,824 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 1239 mSDsluCounter, 6322 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 6576 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:08,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1239 Valid, 6576 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:11:08,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10291 states. [2022-01-18 01:11:08,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10291 to 5295. [2022-01-18 01:11:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5294 states have (on average 2.6208915753683417) internal successors, (13875), 5294 states have internal predecessors, (13875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:08,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 13875 transitions. [2022-01-18 01:11:08,916 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 13875 transitions. Word has length 135 [2022-01-18 01:11:08,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:08,916 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 13875 transitions. [2022-01-18 01:11:08,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 13875 transitions. [2022-01-18 01:11:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:08,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:08,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:08,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-01-18 01:11:08,921 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:08,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash 144449589, now seen corresponding path program 178 times [2022-01-18 01:11:08,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:08,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569474798] [2022-01-18 01:11:08,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:08,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:09,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:09,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569474798] [2022-01-18 01:11:09,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569474798] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:09,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:09,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:09,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526873967] [2022-01-18 01:11:09,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:09,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:09,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:09,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:09,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:09,251 INFO L87 Difference]: Start difference. First operand 5295 states and 13875 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:11,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:11,609 INFO L93 Difference]: Finished difference Result 10526 states and 27541 transitions. [2022-01-18 01:11:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:11:11,609 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:11,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:11,622 INFO L225 Difference]: With dead ends: 10526 [2022-01-18 01:11:11,622 INFO L226 Difference]: Without dead ends: 10235 [2022-01-18 01:11:11,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1040, Invalid=3382, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:11:11,623 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 1174 mSDsluCounter, 7441 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:11,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1174 Valid, 7653 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10235 states. [2022-01-18 01:11:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10235 to 5299. [2022-01-18 01:11:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5298 states have (on average 2.6202340505851263) internal successors, (13882), 5298 states have internal predecessors, (13882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 13882 transitions. [2022-01-18 01:11:11,700 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 13882 transitions. Word has length 135 [2022-01-18 01:11:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:11,700 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 13882 transitions. [2022-01-18 01:11:11,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 13882 transitions. [2022-01-18 01:11:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:11,705 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:11,705 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:11,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-01-18 01:11:11,705 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:11,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash -147256439, now seen corresponding path program 179 times [2022-01-18 01:11:11,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:11,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538807993] [2022-01-18 01:11:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:11,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:12,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:12,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538807993] [2022-01-18 01:11:12,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538807993] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:12,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:12,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:12,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213869788] [2022-01-18 01:11:12,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:12,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:12,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:12,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:12,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:12,052 INFO L87 Difference]: Start difference. First operand 5299 states and 13882 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:14,122 INFO L93 Difference]: Finished difference Result 10388 states and 27169 transitions. [2022-01-18 01:11:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:11:14,123 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:14,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:14,133 INFO L225 Difference]: With dead ends: 10388 [2022-01-18 01:11:14,133 INFO L226 Difference]: Without dead ends: 10122 [2022-01-18 01:11:14,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=799, Invalid=2507, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:11:14,134 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 1140 mSDsluCounter, 6895 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 7109 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:14,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1140 Valid, 7109 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2022-01-18 01:11:14,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 5303. [2022-01-18 01:11:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.619577517917767) internal successors, (13889), 5302 states have internal predecessors, (13889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13889 transitions. [2022-01-18 01:11:14,204 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13889 transitions. Word has length 135 [2022-01-18 01:11:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:14,204 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13889 transitions. [2022-01-18 01:11:14,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13889 transitions. [2022-01-18 01:11:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:14,209 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:14,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:14,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-01-18 01:11:14,209 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:14,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1978862385, now seen corresponding path program 180 times [2022-01-18 01:11:14,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:14,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458547591] [2022-01-18 01:11:14,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:14,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:14,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:14,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458547591] [2022-01-18 01:11:14,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458547591] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:14,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:14,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:14,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724507388] [2022-01-18 01:11:14,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:14,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:14,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:14,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:14,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:14,532 INFO L87 Difference]: Start difference. First operand 5303 states and 13889 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:16,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:16,556 INFO L93 Difference]: Finished difference Result 10370 states and 27124 transitions. [2022-01-18 01:11:16,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:11:16,556 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:16,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:16,570 INFO L225 Difference]: With dead ends: 10370 [2022-01-18 01:11:16,570 INFO L226 Difference]: Without dead ends: 10087 [2022-01-18 01:11:16,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=855, Invalid=2805, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:11:16,570 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1122 mSDsluCounter, 6599 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:16,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1122 Valid, 6829 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:11:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10087 states. [2022-01-18 01:11:16,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10087 to 5283. [2022-01-18 01:11:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5282 states have (on average 2.622112836046952) internal successors, (13850), 5282 states have internal predecessors, (13850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 13850 transitions. [2022-01-18 01:11:16,654 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 13850 transitions. Word has length 135 [2022-01-18 01:11:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:16,654 INFO L470 AbstractCegarLoop]: Abstraction has 5283 states and 13850 transitions. [2022-01-18 01:11:16,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 13850 transitions. [2022-01-18 01:11:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:16,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:16,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:16,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-01-18 01:11:16,659 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:16,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash 522463993, now seen corresponding path program 181 times [2022-01-18 01:11:16,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:16,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931060231] [2022-01-18 01:11:16,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:16,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:17,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:17,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931060231] [2022-01-18 01:11:17,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931060231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:17,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:17,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:17,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912869977] [2022-01-18 01:11:17,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:17,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:17,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:17,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:17,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:17,053 INFO L87 Difference]: Start difference. First operand 5283 states and 13850 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:20,197 INFO L93 Difference]: Finished difference Result 10426 states and 27278 transitions. [2022-01-18 01:11:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:11:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:20,208 INFO L225 Difference]: With dead ends: 10426 [2022-01-18 01:11:20,209 INFO L226 Difference]: Without dead ends: 10019 [2022-01-18 01:11:20,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1423, Invalid=4277, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:11:20,209 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 1376 mSDsluCounter, 7560 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 7779 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:20,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1376 Valid, 7779 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10019 states. [2022-01-18 01:11:20,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10019 to 5279. [2022-01-18 01:11:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 5278 states have (on average 2.6220159151193636) internal successors, (13839), 5278 states have internal predecessors, (13839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 13839 transitions. [2022-01-18 01:11:20,281 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 13839 transitions. Word has length 135 [2022-01-18 01:11:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:20,281 INFO L470 AbstractCegarLoop]: Abstraction has 5279 states and 13839 transitions. [2022-01-18 01:11:20,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:20,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 13839 transitions. [2022-01-18 01:11:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:20,286 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:20,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:20,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-01-18 01:11:20,286 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:20,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:20,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1045228823, now seen corresponding path program 182 times [2022-01-18 01:11:20,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:20,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906102970] [2022-01-18 01:11:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:20,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:20,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:20,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906102970] [2022-01-18 01:11:20,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906102970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:20,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:20,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:20,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8113476] [2022-01-18 01:11:20,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:20,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:20,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:20,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:20,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:20,664 INFO L87 Difference]: Start difference. First operand 5279 states and 13839 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:23,447 INFO L93 Difference]: Finished difference Result 10634 states and 27830 transitions. [2022-01-18 01:11:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:11:23,448 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:23,462 INFO L225 Difference]: With dead ends: 10634 [2022-01-18 01:11:23,463 INFO L226 Difference]: Without dead ends: 10259 [2022-01-18 01:11:23,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1238, Invalid=3874, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:11:23,463 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 1274 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 7278 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:23,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1274 Valid, 7278 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10259 states. [2022-01-18 01:11:23,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10259 to 5303. [2022-01-18 01:11:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.620331950207469) internal successors, (13893), 5302 states have internal predecessors, (13893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13893 transitions. [2022-01-18 01:11:23,554 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13893 transitions. Word has length 135 [2022-01-18 01:11:23,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:23,554 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13893 transitions. [2022-01-18 01:11:23,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13893 transitions. [2022-01-18 01:11:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:23,559 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:23,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:23,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-01-18 01:11:23,559 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:23,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:23,559 INFO L85 PathProgramCache]: Analyzing trace with hash 194474227, now seen corresponding path program 183 times [2022-01-18 01:11:23,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:23,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072983902] [2022-01-18 01:11:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:23,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:23,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:23,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072983902] [2022-01-18 01:11:23,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072983902] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:23,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:23,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:23,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72985224] [2022-01-18 01:11:23,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:23,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:23,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:23,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:23,915 INFO L87 Difference]: Start difference. First operand 5303 states and 13893 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:26,379 INFO L93 Difference]: Finished difference Result 10586 states and 27706 transitions. [2022-01-18 01:11:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:11:26,379 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:26,394 INFO L225 Difference]: With dead ends: 10586 [2022-01-18 01:11:26,394 INFO L226 Difference]: Without dead ends: 10295 [2022-01-18 01:11:26,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1048, Invalid=3374, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:11:26,395 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1190 mSDsluCounter, 7020 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 7257 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:26,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1190 Valid, 7257 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:26,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10295 states. [2022-01-18 01:11:26,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10295 to 5307. [2022-01-18 01:11:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 5306 states have (on average 2.6196758386732) internal successors, (13900), 5306 states have internal predecessors, (13900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 13900 transitions. [2022-01-18 01:11:26,480 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 13900 transitions. Word has length 135 [2022-01-18 01:11:26,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:26,480 INFO L470 AbstractCegarLoop]: Abstraction has 5307 states and 13900 transitions. [2022-01-18 01:11:26,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 13900 transitions. [2022-01-18 01:11:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:26,485 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:26,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:26,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-01-18 01:11:26,485 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:26,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:26,485 INFO L85 PathProgramCache]: Analyzing trace with hash -97231801, now seen corresponding path program 184 times [2022-01-18 01:11:26,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:26,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936108403] [2022-01-18 01:11:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:26,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:26,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:26,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936108403] [2022-01-18 01:11:26,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936108403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:26,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:26,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:26,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764911] [2022-01-18 01:11:26,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:26,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:26,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:26,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:26,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:26,833 INFO L87 Difference]: Start difference. First operand 5307 states and 13900 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:28,923 INFO L93 Difference]: Finished difference Result 10472 states and 27400 transitions. [2022-01-18 01:11:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:11:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:28,936 INFO L225 Difference]: With dead ends: 10472 [2022-01-18 01:11:28,936 INFO L226 Difference]: Without dead ends: 10206 [2022-01-18 01:11:28,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=825, Invalid=2597, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:11:28,937 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 1146 mSDsluCounter, 6955 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 7177 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:28,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1146 Valid, 7177 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10206 states. [2022-01-18 01:11:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10206 to 5311. [2022-01-18 01:11:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.619020715630885) internal successors, (13907), 5310 states have internal predecessors, (13907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13907 transitions. [2022-01-18 01:11:29,042 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13907 transitions. Word has length 135 [2022-01-18 01:11:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:29,042 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13907 transitions. [2022-01-18 01:11:29,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13907 transitions. [2022-01-18 01:11:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:29,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:29,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:29,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-01-18 01:11:29,047 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:29,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2028887023, now seen corresponding path program 185 times [2022-01-18 01:11:29,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:29,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117830116] [2022-01-18 01:11:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:29,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:29,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:29,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117830116] [2022-01-18 01:11:29,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117830116] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:29,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:29,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:29,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898607739] [2022-01-18 01:11:29,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:29,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:29,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:29,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:29,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:29,379 INFO L87 Difference]: Start difference. First operand 5311 states and 13907 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:31,496 INFO L93 Difference]: Finished difference Result 10434 states and 27300 transitions. [2022-01-18 01:11:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:11:31,496 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:31,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:31,509 INFO L225 Difference]: With dead ends: 10434 [2022-01-18 01:11:31,510 INFO L226 Difference]: Without dead ends: 10151 [2022-01-18 01:11:31,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=858, Invalid=2802, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:11:31,510 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1108 mSDsluCounter, 7359 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 7583 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:31,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1108 Valid, 7583 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:31,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10151 states. [2022-01-18 01:11:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10151 to 5291. [2022-01-18 01:11:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5291 states, 5290 states have (on average 2.620037807183365) internal successors, (13860), 5290 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 13860 transitions. [2022-01-18 01:11:31,586 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 13860 transitions. Word has length 135 [2022-01-18 01:11:31,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:31,586 INFO L470 AbstractCegarLoop]: Abstraction has 5291 states and 13860 transitions. [2022-01-18 01:11:31,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 13860 transitions. [2022-01-18 01:11:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:31,591 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:31,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:31,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-01-18 01:11:31,591 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:31,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 728763641, now seen corresponding path program 186 times [2022-01-18 01:11:31,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:31,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90007260] [2022-01-18 01:11:31,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:31,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:31,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:31,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90007260] [2022-01-18 01:11:31,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90007260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:31,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:31,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:31,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185478166] [2022-01-18 01:11:31,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:31,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:31,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:31,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:31,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:31,923 INFO L87 Difference]: Start difference. First operand 5291 states and 13860 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:34,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:34,265 INFO L93 Difference]: Finished difference Result 10494 states and 27453 transitions. [2022-01-18 01:11:34,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:11:34,265 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:34,276 INFO L225 Difference]: With dead ends: 10494 [2022-01-18 01:11:34,276 INFO L226 Difference]: Without dead ends: 10203 [2022-01-18 01:11:34,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1026, Invalid=3264, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:11:34,277 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1175 mSDsluCounter, 6614 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 6857 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:34,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1175 Valid, 6857 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:34,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10203 states. [2022-01-18 01:11:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10203 to 5299. [2022-01-18 01:11:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5298 states have (on average 2.6194790486976216) internal successors, (13878), 5298 states have internal predecessors, (13878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 13878 transitions. [2022-01-18 01:11:34,347 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 13878 transitions. Word has length 135 [2022-01-18 01:11:34,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:34,347 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 13878 transitions. [2022-01-18 01:11:34,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 13878 transitions. [2022-01-18 01:11:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:34,352 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:34,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:34,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-01-18 01:11:34,353 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:34,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:34,353 INFO L85 PathProgramCache]: Analyzing trace with hash 437057613, now seen corresponding path program 187 times [2022-01-18 01:11:34,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:34,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131267394] [2022-01-18 01:11:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:34,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:34,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:34,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131267394] [2022-01-18 01:11:34,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131267394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:34,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:34,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:34,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450656351] [2022-01-18 01:11:34,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:34,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:34,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:34,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:34,697 INFO L87 Difference]: Start difference. First operand 5299 states and 13878 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:36,838 INFO L93 Difference]: Finished difference Result 10444 states and 27323 transitions. [2022-01-18 01:11:36,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:11:36,839 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:36,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:36,852 INFO L225 Difference]: With dead ends: 10444 [2022-01-18 01:11:36,852 INFO L226 Difference]: Without dead ends: 10178 [2022-01-18 01:11:36,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=853, Invalid=2687, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:11:36,853 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1141 mSDsluCounter, 6926 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:36,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1141 Valid, 7145 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:36,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10178 states. [2022-01-18 01:11:36,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10178 to 5303. [2022-01-18 01:11:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.618823085628065) internal successors, (13885), 5302 states have internal predecessors, (13885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13885 transitions. [2022-01-18 01:11:36,934 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13885 transitions. Word has length 135 [2022-01-18 01:11:36,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:36,935 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13885 transitions. [2022-01-18 01:11:36,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13885 transitions. [2022-01-18 01:11:36,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:36,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:36,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:36,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2022-01-18 01:11:36,940 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:36,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:36,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1731790859, now seen corresponding path program 188 times [2022-01-18 01:11:36,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:36,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996378236] [2022-01-18 01:11:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:36,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:37,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:37,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996378236] [2022-01-18 01:11:37,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996378236] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:37,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:37,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:37,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026430208] [2022-01-18 01:11:37,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:37,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:37,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:37,277 INFO L87 Difference]: Start difference. First operand 5303 states and 13885 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:39,423 INFO L93 Difference]: Finished difference Result 10406 states and 27223 transitions. [2022-01-18 01:11:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:11:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:39,434 INFO L225 Difference]: With dead ends: 10406 [2022-01-18 01:11:39,434 INFO L226 Difference]: Without dead ends: 10135 [2022-01-18 01:11:39,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=863, Invalid=2797, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:11:39,434 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 1138 mSDsluCounter, 6907 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 7136 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:39,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1138 Valid, 7136 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:39,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2022-01-18 01:11:39,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 5295. [2022-01-18 01:11:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5294 states have (on average 2.6193804306762374) internal successors, (13867), 5294 states have internal predecessors, (13867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 13867 transitions. [2022-01-18 01:11:39,499 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 13867 transitions. Word has length 135 [2022-01-18 01:11:39,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:39,500 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 13867 transitions. [2022-01-18 01:11:39,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 13867 transitions. [2022-01-18 01:11:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:39,504 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:39,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:39,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2022-01-18 01:11:39,504 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:39,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1359010693, now seen corresponding path program 189 times [2022-01-18 01:11:39,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:39,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897029356] [2022-01-18 01:11:39,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:39,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:39,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:39,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897029356] [2022-01-18 01:11:39,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897029356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:39,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:39,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:39,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427885761] [2022-01-18 01:11:39,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:39,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:39,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:39,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:39,867 INFO L87 Difference]: Start difference. First operand 5295 states and 13867 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:42,313 INFO L93 Difference]: Finished difference Result 10476 states and 27386 transitions. [2022-01-18 01:11:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:11:42,313 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:42,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:42,326 INFO L225 Difference]: With dead ends: 10476 [2022-01-18 01:11:42,326 INFO L226 Difference]: Without dead ends: 10179 [2022-01-18 01:11:42,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=998, Invalid=3034, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:11:42,327 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1201 mSDsluCounter, 7329 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 7536 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:42,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1201 Valid, 7536 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:42,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10179 states. [2022-01-18 01:11:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10179 to 5299. [2022-01-18 01:11:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5298 states have (on average 2.618724046810117) internal successors, (13874), 5298 states have internal predecessors, (13874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 13874 transitions. [2022-01-18 01:11:42,404 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 13874 transitions. Word has length 135 [2022-01-18 01:11:42,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:42,404 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 13874 transitions. [2022-01-18 01:11:42,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 13874 transitions. [2022-01-18 01:11:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:42,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:42,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:42,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2022-01-18 01:11:42,409 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 519378823, now seen corresponding path program 190 times [2022-01-18 01:11:42,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:42,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777817591] [2022-01-18 01:11:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:42,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:42,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:42,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777817591] [2022-01-18 01:11:42,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777817591] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:42,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:42,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:42,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267249319] [2022-01-18 01:11:42,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:42,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:42,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:42,758 INFO L87 Difference]: Start difference. First operand 5299 states and 13874 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:44,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:44,959 INFO L93 Difference]: Finished difference Result 10384 states and 27154 transitions. [2022-01-18 01:11:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:11:44,960 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:44,970 INFO L225 Difference]: With dead ends: 10384 [2022-01-18 01:11:44,970 INFO L226 Difference]: Without dead ends: 10118 [2022-01-18 01:11:44,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=883, Invalid=2777, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:11:44,970 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1145 mSDsluCounter, 7317 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 7524 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:44,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1145 Valid, 7524 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10118 states. [2022-01-18 01:11:45,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10118 to 5303. [2022-01-18 01:11:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.618068653338363) internal successors, (13881), 5302 states have internal predecessors, (13881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13881 transitions. [2022-01-18 01:11:45,036 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13881 transitions. Word has length 135 [2022-01-18 01:11:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:45,036 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13881 transitions. [2022-01-18 01:11:45,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13881 transitions. [2022-01-18 01:11:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:45,040 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:45,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:45,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2022-01-18 01:11:45,041 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:45,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1649469649, now seen corresponding path program 191 times [2022-01-18 01:11:45,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:45,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374664665] [2022-01-18 01:11:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:45,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:45,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:45,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374664665] [2022-01-18 01:11:45,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374664665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:45,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:45,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:45,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062275834] [2022-01-18 01:11:45,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:45,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:45,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:45,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:45,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:45,370 INFO L87 Difference]: Start difference. First operand 5303 states and 13881 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:47,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:47,462 INFO L93 Difference]: Finished difference Result 10306 states and 26944 transitions. [2022-01-18 01:11:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:11:47,463 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:47,475 INFO L225 Difference]: With dead ends: 10306 [2022-01-18 01:11:47,476 INFO L226 Difference]: Without dead ends: 10015 [2022-01-18 01:11:47,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=833, Invalid=2707, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:11:47,476 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 1107 mSDsluCounter, 7263 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 7477 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:47,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1107 Valid, 7477 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2022-01-18 01:11:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 5275. [2022-01-18 01:11:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5275 states, 5274 states have (on average 2.62191884717482) internal successors, (13828), 5274 states have internal predecessors, (13828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 13828 transitions. [2022-01-18 01:11:47,553 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 13828 transitions. Word has length 135 [2022-01-18 01:11:47,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:47,553 INFO L470 AbstractCegarLoop]: Abstraction has 5275 states and 13828 transitions. [2022-01-18 01:11:47,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 13828 transitions. [2022-01-18 01:11:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:47,557 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:47,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:47,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2022-01-18 01:11:47,558 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:47,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1340234889, now seen corresponding path program 192 times [2022-01-18 01:11:47,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:47,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053422246] [2022-01-18 01:11:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:47,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:47,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:47,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053422246] [2022-01-18 01:11:47,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053422246] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:47,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:47,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:47,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200743819] [2022-01-18 01:11:47,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:47,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:47,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:47,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:47,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:47,945 INFO L87 Difference]: Start difference. First operand 5275 states and 13828 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:50,780 INFO L93 Difference]: Finished difference Result 10738 states and 28116 transitions. [2022-01-18 01:11:50,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 01:11:50,780 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:50,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:50,791 INFO L225 Difference]: With dead ends: 10738 [2022-01-18 01:11:50,791 INFO L226 Difference]: Without dead ends: 10363 [2022-01-18 01:11:50,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1219, Invalid=3751, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 01:11:50,792 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1252 mSDsluCounter, 7363 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 7598 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:50,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1252 Valid, 7598 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2022-01-18 01:11:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 5335. [2022-01-18 01:11:50,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6211098612673416) internal successors, (13981), 5334 states have internal predecessors, (13981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13981 transitions. [2022-01-18 01:11:50,861 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13981 transitions. Word has length 135 [2022-01-18 01:11:50,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:50,861 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13981 transitions. [2022-01-18 01:11:50,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13981 transitions. [2022-01-18 01:11:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:50,865 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:50,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:50,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2022-01-18 01:11:50,865 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:50,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:50,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1715029357, now seen corresponding path program 193 times [2022-01-18 01:11:50,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:50,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638381485] [2022-01-18 01:11:50,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:50,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:51,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:51,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638381485] [2022-01-18 01:11:51,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638381485] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:51,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:51,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:51,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440898692] [2022-01-18 01:11:51,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:51,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:51,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:51,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:51,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:51,239 INFO L87 Difference]: Start difference. First operand 5335 states and 13981 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:53,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:53,718 INFO L93 Difference]: Finished difference Result 10714 states and 28058 transitions. [2022-01-18 01:11:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:11:53,719 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:53,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:53,732 INFO L225 Difference]: With dead ends: 10714 [2022-01-18 01:11:53,732 INFO L226 Difference]: Without dead ends: 10423 [2022-01-18 01:11:53,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1066, Invalid=3356, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:11:53,732 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1181 mSDsluCounter, 6559 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 6814 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:53,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1181 Valid, 6814 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:53,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10423 states. [2022-01-18 01:11:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10423 to 5339. [2022-01-18 01:11:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.6204571000374672) internal successors, (13988), 5338 states have internal predecessors, (13988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 13988 transitions. [2022-01-18 01:11:53,810 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 13988 transitions. Word has length 135 [2022-01-18 01:11:53,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:53,810 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 13988 transitions. [2022-01-18 01:11:53,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:53,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 13988 transitions. [2022-01-18 01:11:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:53,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:53,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:53,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2022-01-18 01:11:53,814 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:53,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:53,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2006735385, now seen corresponding path program 194 times [2022-01-18 01:11:53,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:53,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817738034] [2022-01-18 01:11:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:53,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:54,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:54,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817738034] [2022-01-18 01:11:54,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817738034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:54,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:54,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:54,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389419073] [2022-01-18 01:11:54,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:54,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:54,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:54,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:54,163 INFO L87 Difference]: Start difference. First operand 5339 states and 13988 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:56,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:56,315 INFO L93 Difference]: Finished difference Result 10600 states and 27752 transitions. [2022-01-18 01:11:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:11:56,315 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:56,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:56,328 INFO L225 Difference]: With dead ends: 10600 [2022-01-18 01:11:56,328 INFO L226 Difference]: Without dead ends: 10334 [2022-01-18 01:11:56,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=819, Invalid=2603, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:11:56,329 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1126 mSDsluCounter, 7318 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 7535 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:56,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 7535 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:56,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10334 states. [2022-01-18 01:11:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10334 to 5343. [2022-01-18 01:11:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.6198053163609134) internal successors, (13995), 5342 states have internal predecessors, (13995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 13995 transitions. [2022-01-18 01:11:56,404 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 13995 transitions. Word has length 135 [2022-01-18 01:11:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:56,404 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 13995 transitions. [2022-01-18 01:11:56,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 13995 transitions. [2022-01-18 01:11:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:56,409 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:56,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:56,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2022-01-18 01:11:56,409 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:56,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash 119383439, now seen corresponding path program 195 times [2022-01-18 01:11:56,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:56,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410730490] [2022-01-18 01:11:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:56,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:56,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:56,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410730490] [2022-01-18 01:11:56,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410730490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:56,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:56,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:56,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035501351] [2022-01-18 01:11:56,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:56,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:56,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:56,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:56,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:56,781 INFO L87 Difference]: Start difference. First operand 5343 states and 13995 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:58,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:11:58,920 INFO L93 Difference]: Finished difference Result 10562 states and 27652 transitions. [2022-01-18 01:11:58,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:11:58,920 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:11:58,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:11:58,934 INFO L225 Difference]: With dead ends: 10562 [2022-01-18 01:11:58,934 INFO L226 Difference]: Without dead ends: 10279 [2022-01-18 01:11:58,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=871, Invalid=2789, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:11:58,934 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1113 mSDsluCounter, 6125 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 6389 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:11:58,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1113 Valid, 6389 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:11:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10279 states. [2022-01-18 01:11:59,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10279 to 5323. [2022-01-18 01:11:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6208192408868847) internal successors, (13948), 5322 states have internal predecessors, (13948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 13948 transitions. [2022-01-18 01:11:59,019 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 13948 transitions. Word has length 135 [2022-01-18 01:11:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:11:59,019 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 13948 transitions. [2022-01-18 01:11:59,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:11:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 13948 transitions. [2022-01-18 01:11:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:11:59,024 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:11:59,024 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:11:59,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2022-01-18 01:11:59,024 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:11:59,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:11:59,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1180739943, now seen corresponding path program 196 times [2022-01-18 01:11:59,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:11:59,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701860117] [2022-01-18 01:11:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:11:59,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:11:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:11:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:11:59,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:11:59,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701860117] [2022-01-18 01:11:59,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701860117] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:11:59,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:11:59,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:11:59,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925979636] [2022-01-18 01:11:59,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:11:59,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:11:59,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:11:59,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:11:59,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:11:59,416 INFO L87 Difference]: Start difference. First operand 5323 states and 13948 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:01,825 INFO L93 Difference]: Finished difference Result 10722 states and 28080 transitions. [2022-01-18 01:12:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:12:01,825 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:01,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:01,838 INFO L225 Difference]: With dead ends: 10722 [2022-01-18 01:12:01,838 INFO L226 Difference]: Without dead ends: 10431 [2022-01-18 01:12:01,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1042, Invalid=3248, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:12:01,839 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1181 mSDsluCounter, 6153 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 6416 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:01,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1181 Valid, 6416 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:12:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2022-01-18 01:12:01,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 5331. [2022-01-18 01:12:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6202626641651032) internal successors, (13966), 5330 states have internal predecessors, (13966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13966 transitions. [2022-01-18 01:12:01,918 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13966 transitions. Word has length 135 [2022-01-18 01:12:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:01,918 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13966 transitions. [2022-01-18 01:12:01,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13966 transitions. [2022-01-18 01:12:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:01,923 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:01,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:01,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2022-01-18 01:12:01,923 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:01,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:01,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1472445971, now seen corresponding path program 197 times [2022-01-18 01:12:01,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:01,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287036711] [2022-01-18 01:12:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:01,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:02,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:02,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287036711] [2022-01-18 01:12:02,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287036711] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:02,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:02,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:02,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895959746] [2022-01-18 01:12:02,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:02,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:02,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:02,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:02,272 INFO L87 Difference]: Start difference. First operand 5331 states and 13966 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:04,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:04,397 INFO L93 Difference]: Finished difference Result 10672 states and 27950 transitions. [2022-01-18 01:12:04,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:12:04,398 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:04,411 INFO L225 Difference]: With dead ends: 10672 [2022-01-18 01:12:04,411 INFO L226 Difference]: Without dead ends: 10406 [2022-01-18 01:12:04,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=848, Invalid=2692, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:12:04,412 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1149 mSDsluCounter, 6906 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:04,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1149 Valid, 7138 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10406 states. [2022-01-18 01:12:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10406 to 5335. [2022-01-18 01:12:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.619610048743907) internal successors, (13973), 5334 states have internal predecessors, (13973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13973 transitions. [2022-01-18 01:12:04,508 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13973 transitions. Word has length 135 [2022-01-18 01:12:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:04,508 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13973 transitions. [2022-01-18 01:12:04,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13973 transitions. [2022-01-18 01:12:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:04,512 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:04,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:04,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2022-01-18 01:12:04,513 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:04,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash 653672853, now seen corresponding path program 198 times [2022-01-18 01:12:04,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:04,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793817988] [2022-01-18 01:12:04,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:04,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:04,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:04,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793817988] [2022-01-18 01:12:04,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793817988] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:04,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:04,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:04,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829672304] [2022-01-18 01:12:04,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:04,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:04,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:04,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:04,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:04,844 INFO L87 Difference]: Start difference. First operand 5335 states and 13973 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:07,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:07,012 INFO L93 Difference]: Finished difference Result 10634 states and 27850 transitions. [2022-01-18 01:12:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:12:07,012 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:07,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:07,025 INFO L225 Difference]: With dead ends: 10634 [2022-01-18 01:12:07,025 INFO L226 Difference]: Without dead ends: 10363 [2022-01-18 01:12:07,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=868, Invalid=2792, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:12:07,026 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1136 mSDsluCounter, 6881 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 7124 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:07,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 7124 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:07,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2022-01-18 01:12:07,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 5327. [2022-01-18 01:12:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6201652271873828) internal successors, (13955), 5326 states have internal predecessors, (13955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 13955 transitions. [2022-01-18 01:12:07,105 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 13955 transitions. Word has length 135 [2022-01-18 01:12:07,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:07,105 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 13955 transitions. [2022-01-18 01:12:07,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 13955 transitions. [2022-01-18 01:12:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:07,109 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:07,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:07,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2022-01-18 01:12:07,110 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:07,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:07,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1026453019, now seen corresponding path program 199 times [2022-01-18 01:12:07,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:07,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359783554] [2022-01-18 01:12:07,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:07,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:07,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:07,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359783554] [2022-01-18 01:12:07,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359783554] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:07,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:07,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:07,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564546000] [2022-01-18 01:12:07,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:07,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:07,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:07,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:07,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:07,491 INFO L87 Difference]: Start difference. First operand 5327 states and 13955 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:10,017 INFO L93 Difference]: Finished difference Result 10724 states and 28068 transitions. [2022-01-18 01:12:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:12:10,017 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:10,029 INFO L225 Difference]: With dead ends: 10724 [2022-01-18 01:12:10,029 INFO L226 Difference]: Without dead ends: 10427 [2022-01-18 01:12:10,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1020, Invalid=3140, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:12:10,030 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 1187 mSDsluCounter, 7003 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 7225 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:10,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1187 Valid, 7225 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:10,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10427 states. [2022-01-18 01:12:10,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10427 to 5331. [2022-01-18 01:12:10,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6195121951219513) internal successors, (13962), 5330 states have internal predecessors, (13962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13962 transitions. [2022-01-18 01:12:10,109 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13962 transitions. Word has length 135 [2022-01-18 01:12:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:10,109 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13962 transitions. [2022-01-18 01:12:10,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13962 transitions. [2022-01-18 01:12:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:10,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:10,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:10,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2022-01-18 01:12:10,114 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:10,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1390124761, now seen corresponding path program 200 times [2022-01-18 01:12:10,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:10,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541187987] [2022-01-18 01:12:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:10,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:10,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:10,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541187987] [2022-01-18 01:12:10,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541187987] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:10,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:10,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:10,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314038520] [2022-01-18 01:12:10,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:10,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:10,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:10,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:10,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:10,462 INFO L87 Difference]: Start difference. First operand 5331 states and 13962 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:12,720 INFO L93 Difference]: Finished difference Result 10624 states and 27814 transitions. [2022-01-18 01:12:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:12:12,721 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:12,734 INFO L225 Difference]: With dead ends: 10624 [2022-01-18 01:12:12,734 INFO L226 Difference]: Without dead ends: 10358 [2022-01-18 01:12:12,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=877, Invalid=2783, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:12:12,734 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1139 mSDsluCounter, 7298 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 7519 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:12,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1139 Valid, 7519 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:12,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10358 states. [2022-01-18 01:12:12,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10358 to 5335. [2022-01-18 01:12:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.61886014248219) internal successors, (13969), 5334 states have internal predecessors, (13969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13969 transitions. [2022-01-18 01:12:12,809 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13969 transitions. Word has length 135 [2022-01-18 01:12:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:12,809 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13969 transitions. [2022-01-18 01:12:12,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13969 transitions. [2022-01-18 01:12:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:12,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:12,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:12,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2022-01-18 01:12:12,814 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:12,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash 735994063, now seen corresponding path program 201 times [2022-01-18 01:12:12,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:12,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242945874] [2022-01-18 01:12:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:12,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:13,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:13,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242945874] [2022-01-18 01:12:13,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242945874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:13,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:13,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:13,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320502083] [2022-01-18 01:12:13,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:13,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:13,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:13,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:13,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:13,164 INFO L87 Difference]: Start difference. First operand 5335 states and 13969 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:15,276 INFO L93 Difference]: Finished difference Result 10554 states and 27626 transitions. [2022-01-18 01:12:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:12:15,277 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:15,288 INFO L225 Difference]: With dead ends: 10554 [2022-01-18 01:12:15,288 INFO L226 Difference]: Without dead ends: 10267 [2022-01-18 01:12:15,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=838, Invalid=2702, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:12:15,289 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 1113 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 7090 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:15,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1113 Valid, 7090 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10267 states. [2022-01-18 01:12:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10267 to 5311. [2022-01-18 01:12:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.620527306967985) internal successors, (13915), 5310 states have internal predecessors, (13915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13915 transitions. [2022-01-18 01:12:15,355 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13915 transitions. Word has length 135 [2022-01-18 01:12:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:15,356 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13915 transitions. [2022-01-18 01:12:15,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13915 transitions. [2022-01-18 01:12:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:15,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:15,360 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:15,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2022-01-18 01:12:15,360 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:15,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:15,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1794756299, now seen corresponding path program 202 times [2022-01-18 01:12:15,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:15,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541902310] [2022-01-18 01:12:15,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:15,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:15,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:15,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541902310] [2022-01-18 01:12:15,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541902310] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:15,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:15,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:15,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635877064] [2022-01-18 01:12:15,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:15,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:15,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:15,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:15,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:15,687 INFO L87 Difference]: Start difference. First operand 5311 states and 13915 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:17,986 INFO L93 Difference]: Finished difference Result 10590 states and 27717 transitions. [2022-01-18 01:12:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:12:17,986 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:18,000 INFO L225 Difference]: With dead ends: 10590 [2022-01-18 01:12:18,000 INFO L226 Difference]: Without dead ends: 10299 [2022-01-18 01:12:18,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1013, Invalid=3147, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:12:18,001 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1160 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 6805 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:18,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1160 Valid, 6805 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2022-01-18 01:12:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 5331. [2022-01-18 01:12:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6202626641651032) internal successors, (13966), 5330 states have internal predecessors, (13966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13966 transitions. [2022-01-18 01:12:18,086 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13966 transitions. Word has length 135 [2022-01-18 01:12:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:18,086 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13966 transitions. [2022-01-18 01:12:18,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13966 transitions. [2022-01-18 01:12:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:18,091 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:18,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:18,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2022-01-18 01:12:18,092 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:18,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2086462327, now seen corresponding path program 203 times [2022-01-18 01:12:18,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:18,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617917582] [2022-01-18 01:12:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:18,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:18,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:18,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617917582] [2022-01-18 01:12:18,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617917582] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:18,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:18,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:18,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086250645] [2022-01-18 01:12:18,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:18,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:18,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:18,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:18,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:18,440 INFO L87 Difference]: Start difference. First operand 5331 states and 13966 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:20,562 INFO L93 Difference]: Finished difference Result 10556 states and 27631 transitions. [2022-01-18 01:12:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:12:20,562 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:20,573 INFO L225 Difference]: With dead ends: 10556 [2022-01-18 01:12:20,573 INFO L226 Difference]: Without dead ends: 10290 [2022-01-18 01:12:20,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=843, Invalid=2697, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:12:20,574 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1149 mSDsluCounter, 6853 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 7079 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:20,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1149 Valid, 7079 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:20,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10290 states. [2022-01-18 01:12:20,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10290 to 5335. [2022-01-18 01:12:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.619610048743907) internal successors, (13973), 5334 states have internal predecessors, (13973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13973 transitions. [2022-01-18 01:12:20,650 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13973 transitions. Word has length 135 [2022-01-18 01:12:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:20,650 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13973 transitions. [2022-01-18 01:12:20,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13973 transitions. [2022-01-18 01:12:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:20,655 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:20,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:20,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2022-01-18 01:12:20,655 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:20,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:20,655 INFO L85 PathProgramCache]: Analyzing trace with hash 39656497, now seen corresponding path program 204 times [2022-01-18 01:12:20,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:20,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361762262] [2022-01-18 01:12:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:20,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:20,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:20,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361762262] [2022-01-18 01:12:20,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361762262] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:20,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:20,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:20,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407748115] [2022-01-18 01:12:20,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:20,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:20,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:20,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:20,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:20,988 INFO L87 Difference]: Start difference. First operand 5335 states and 13973 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:23,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:23,147 INFO L93 Difference]: Finished difference Result 10518 states and 27531 transitions. [2022-01-18 01:12:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:12:23,148 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:23,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:23,160 INFO L225 Difference]: With dead ends: 10518 [2022-01-18 01:12:23,161 INFO L226 Difference]: Without dead ends: 10247 [2022-01-18 01:12:23,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=873, Invalid=2787, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:12:23,161 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1142 mSDsluCounter, 6816 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 7052 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:23,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 7052 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:23,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10247 states. [2022-01-18 01:12:23,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10247 to 5327. [2022-01-18 01:12:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6201652271873828) internal successors, (13955), 5326 states have internal predecessors, (13955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 13955 transitions. [2022-01-18 01:12:23,236 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 13955 transitions. Word has length 135 [2022-01-18 01:12:23,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:23,236 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 13955 transitions. [2022-01-18 01:12:23,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 13955 transitions. [2022-01-18 01:12:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:23,241 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:23,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:23,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2022-01-18 01:12:23,241 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:23,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash 412436663, now seen corresponding path program 205 times [2022-01-18 01:12:23,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:23,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719426408] [2022-01-18 01:12:23,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:23,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:23,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:23,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719426408] [2022-01-18 01:12:23,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719426408] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:23,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:23,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:23,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687055865] [2022-01-18 01:12:23,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:23,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:23,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:23,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:23,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:23,580 INFO L87 Difference]: Start difference. First operand 5327 states and 13955 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:26,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:26,062 INFO L93 Difference]: Finished difference Result 10688 states and 27969 transitions. [2022-01-18 01:12:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:12:26,063 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:26,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:26,075 INFO L225 Difference]: With dead ends: 10688 [2022-01-18 01:12:26,075 INFO L226 Difference]: Without dead ends: 10391 [2022-01-18 01:12:26,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1044, Invalid=3246, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:12:26,076 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1209 mSDsluCounter, 6935 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 7154 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:26,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1209 Valid, 7154 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10391 states. [2022-01-18 01:12:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10391 to 5331. [2022-01-18 01:12:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6195121951219513) internal successors, (13962), 5330 states have internal predecessors, (13962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13962 transitions. [2022-01-18 01:12:26,152 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13962 transitions. Word has length 135 [2022-01-18 01:12:26,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:26,153 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13962 transitions. [2022-01-18 01:12:26,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13962 transitions. [2022-01-18 01:12:26,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:26,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:26,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:26,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2022-01-18 01:12:26,158 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:26,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:26,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2004141117, now seen corresponding path program 206 times [2022-01-18 01:12:26,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:26,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203552619] [2022-01-18 01:12:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:26,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:26,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:26,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203552619] [2022-01-18 01:12:26,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203552619] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:26,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:26,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:26,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400948569] [2022-01-18 01:12:26,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:26,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:26,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:26,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:26,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:26,498 INFO L87 Difference]: Start difference. First operand 5331 states and 13962 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:28,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:28,692 INFO L93 Difference]: Finished difference Result 10572 states and 27671 transitions. [2022-01-18 01:12:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:12:28,693 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:28,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:28,706 INFO L225 Difference]: With dead ends: 10572 [2022-01-18 01:12:28,706 INFO L226 Difference]: Without dead ends: 10306 [2022-01-18 01:12:28,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=873, Invalid=2787, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:12:28,707 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1172 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 7077 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:28,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1172 Valid, 7077 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:28,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10306 states. [2022-01-18 01:12:28,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10306 to 5335. [2022-01-18 01:12:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.61886014248219) internal successors, (13969), 5334 states have internal predecessors, (13969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13969 transitions. [2022-01-18 01:12:28,785 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13969 transitions. Word has length 135 [2022-01-18 01:12:28,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:28,785 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13969 transitions. [2022-01-18 01:12:28,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13969 transitions. [2022-01-18 01:12:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:28,790 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:28,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:28,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2022-01-18 01:12:28,790 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:28,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:28,790 INFO L85 PathProgramCache]: Analyzing trace with hash 121977707, now seen corresponding path program 207 times [2022-01-18 01:12:28,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:28,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206061928] [2022-01-18 01:12:28,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:28,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:29,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:29,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206061928] [2022-01-18 01:12:29,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206061928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:29,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:29,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:29,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681264662] [2022-01-18 01:12:29,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:29,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:29,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:29,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:29,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:29,125 INFO L87 Difference]: Start difference. First operand 5335 states and 13969 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:31,248 INFO L93 Difference]: Finished difference Result 10518 states and 27527 transitions. [2022-01-18 01:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:12:31,248 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:31,260 INFO L225 Difference]: With dead ends: 10518 [2022-01-18 01:12:31,260 INFO L226 Difference]: Without dead ends: 10243 [2022-01-18 01:12:31,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=843, Invalid=2697, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:12:31,260 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 1115 mSDsluCounter, 7175 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 7397 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:31,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1115 Valid, 7397 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:31,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10243 states. [2022-01-18 01:12:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10243 to 5323. [2022-01-18 01:12:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6200676437429538) internal successors, (13944), 5322 states have internal predecessors, (13944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 13944 transitions. [2022-01-18 01:12:31,330 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 13944 transitions. Word has length 135 [2022-01-18 01:12:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:31,331 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 13944 transitions. [2022-01-18 01:12:31,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 13944 transitions. [2022-01-18 01:12:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:31,335 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:31,336 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:31,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2022-01-18 01:12:31,336 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:31,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:31,336 INFO L85 PathProgramCache]: Analyzing trace with hash -497328345, now seen corresponding path program 208 times [2022-01-18 01:12:31,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:31,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608818661] [2022-01-18 01:12:31,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:31,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:31,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:31,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608818661] [2022-01-18 01:12:31,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608818661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:31,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:31,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:31,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825356167] [2022-01-18 01:12:31,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:31,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:31,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:31,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:31,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:31,704 INFO L87 Difference]: Start difference. First operand 5323 states and 13944 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:34,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:34,488 INFO L93 Difference]: Finished difference Result 10675 states and 27902 transitions. [2022-01-18 01:12:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:12:34,488 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:34,502 INFO L225 Difference]: With dead ends: 10675 [2022-01-18 01:12:34,502 INFO L226 Difference]: Without dead ends: 10285 [2022-01-18 01:12:34,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1201, Invalid=3629, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 01:12:34,503 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 1275 mSDsluCounter, 6954 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 7176 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:34,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1275 Valid, 7176 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10285 states. [2022-01-18 01:12:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10285 to 5335. [2022-01-18 01:12:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6181102362204722) internal successors, (13965), 5334 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13965 transitions. [2022-01-18 01:12:34,582 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13965 transitions. Word has length 135 [2022-01-18 01:12:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:34,583 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13965 transitions. [2022-01-18 01:12:34,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13965 transitions. [2022-01-18 01:12:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:34,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:34,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:34,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2022-01-18 01:12:34,588 INFO L402 AbstractCegarLoop]: === Iteration 260 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:34,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:34,588 INFO L85 PathProgramCache]: Analyzing trace with hash -890793381, now seen corresponding path program 209 times [2022-01-18 01:12:34,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:34,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485616605] [2022-01-18 01:12:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:34,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:34,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:34,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485616605] [2022-01-18 01:12:34,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485616605] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:34,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:34,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:34,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786814720] [2022-01-18 01:12:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:34,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:34,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:34,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:34,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:34,953 INFO L87 Difference]: Start difference. First operand 5335 states and 13965 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:37,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:37,506 INFO L93 Difference]: Finished difference Result 10536 states and 27539 transitions. [2022-01-18 01:12:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:12:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:37,520 INFO L225 Difference]: With dead ends: 10536 [2022-01-18 01:12:37,520 INFO L226 Difference]: Without dead ends: 10239 [2022-01-18 01:12:37,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1067, Invalid=3355, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:12:37,521 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1222 mSDsluCounter, 6939 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 7159 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:37,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1222 Valid, 7159 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10239 states. [2022-01-18 01:12:37,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10239 to 5339. [2022-01-18 01:12:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.6174597227426) internal successors, (13972), 5338 states have internal predecessors, (13972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 13972 transitions. [2022-01-18 01:12:37,603 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 13972 transitions. Word has length 135 [2022-01-18 01:12:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:37,603 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 13972 transitions. [2022-01-18 01:12:37,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 13972 transitions. [2022-01-18 01:12:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:37,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:37,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:37,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2022-01-18 01:12:37,608 INFO L402 AbstractCegarLoop]: === Iteration 261 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:37,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:37,609 INFO L85 PathProgramCache]: Analyzing trace with hash 987596135, now seen corresponding path program 210 times [2022-01-18 01:12:37,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:37,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363819170] [2022-01-18 01:12:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:37,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:37,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:37,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363819170] [2022-01-18 01:12:37,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363819170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:37,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:37,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:37,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013526506] [2022-01-18 01:12:37,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:37,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:37,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:37,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:37,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:37,943 INFO L87 Difference]: Start difference. First operand 5339 states and 13972 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:40,117 INFO L93 Difference]: Finished difference Result 10444 states and 27307 transitions. [2022-01-18 01:12:40,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:12:40,118 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:40,130 INFO L225 Difference]: With dead ends: 10444 [2022-01-18 01:12:40,131 INFO L226 Difference]: Without dead ends: 10178 [2022-01-18 01:12:40,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=868, Invalid=2792, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:12:40,131 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 1161 mSDsluCounter, 7211 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 7423 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:40,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1161 Valid, 7423 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10178 states. [2022-01-18 01:12:40,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10178 to 5343. [2022-01-18 01:12:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.6168101834518906) internal successors, (13979), 5342 states have internal predecessors, (13979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 13979 transitions. [2022-01-18 01:12:40,218 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 13979 transitions. Word has length 135 [2022-01-18 01:12:40,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:40,219 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 13979 transitions. [2022-01-18 01:12:40,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 13979 transitions. [2022-01-18 01:12:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:40,223 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:40,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:40,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2022-01-18 01:12:40,223 INFO L402 AbstractCegarLoop]: === Iteration 262 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:40,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:40,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1181252337, now seen corresponding path program 211 times [2022-01-18 01:12:40,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:40,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401109643] [2022-01-18 01:12:40,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:40,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:40,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:40,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401109643] [2022-01-18 01:12:40,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401109643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:40,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:40,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:40,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295611652] [2022-01-18 01:12:40,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:40,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:40,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:40,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:40,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:40,557 INFO L87 Difference]: Start difference. First operand 5343 states and 13979 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:42,611 INFO L93 Difference]: Finished difference Result 10346 states and 27042 transitions. [2022-01-18 01:12:42,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:12:42,611 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:42,626 INFO L225 Difference]: With dead ends: 10346 [2022-01-18 01:12:42,626 INFO L226 Difference]: Without dead ends: 10003 [2022-01-18 01:12:42,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=815, Invalid=2607, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:12:42,626 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 1107 mSDsluCounter, 7141 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 7360 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:42,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1107 Valid, 7360 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:42,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10003 states. [2022-01-18 01:12:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10003 to 5263. [2022-01-18 01:12:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5263 states, 5262 states have (on average 2.621626757886735) internal successors, (13795), 5262 states have internal predecessors, (13795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5263 states to 5263 states and 13795 transitions. [2022-01-18 01:12:42,708 INFO L78 Accepts]: Start accepts. Automaton has 5263 states and 13795 transitions. Word has length 135 [2022-01-18 01:12:42,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:42,708 INFO L470 AbstractCegarLoop]: Abstraction has 5263 states and 13795 transitions. [2022-01-18 01:12:42,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5263 states and 13795 transitions. [2022-01-18 01:12:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:42,713 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:42,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:42,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2022-01-18 01:12:42,713 INFO L402 AbstractCegarLoop]: === Iteration 263 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:42,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:42,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1540745765, now seen corresponding path program 212 times [2022-01-18 01:12:42,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:42,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070419594] [2022-01-18 01:12:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:42,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:43,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:43,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070419594] [2022-01-18 01:12:43,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070419594] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:43,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:43,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:43,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508769908] [2022-01-18 01:12:43,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:43,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:43,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:43,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:43,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:43,064 INFO L87 Difference]: Start difference. First operand 5263 states and 13795 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:45,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:45,802 INFO L93 Difference]: Finished difference Result 10762 states and 28182 transitions. [2022-01-18 01:12:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:12:45,802 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:45,813 INFO L225 Difference]: With dead ends: 10762 [2022-01-18 01:12:45,813 INFO L226 Difference]: Without dead ends: 10387 [2022-01-18 01:12:45,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1202, Invalid=3628, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 01:12:45,813 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1234 mSDsluCounter, 7281 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 7526 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:45,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1234 Valid, 7526 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10387 states. [2022-01-18 01:12:45,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10387 to 5335. [2022-01-18 01:12:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6211098612673416) internal successors, (13981), 5334 states have internal predecessors, (13981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13981 transitions. [2022-01-18 01:12:45,880 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13981 transitions. Word has length 135 [2022-01-18 01:12:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:45,880 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13981 transitions. [2022-01-18 01:12:45,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13981 transitions. [2022-01-18 01:12:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:45,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:45,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:45,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2022-01-18 01:12:45,885 INFO L402 AbstractCegarLoop]: === Iteration 264 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:45,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:45,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1514518481, now seen corresponding path program 213 times [2022-01-18 01:12:45,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:45,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004606541] [2022-01-18 01:12:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:45,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:46,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:46,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004606541] [2022-01-18 01:12:46,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004606541] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:46,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:46,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:46,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533400935] [2022-01-18 01:12:46,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:46,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:46,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:46,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:46,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:46,257 INFO L87 Difference]: Start difference. First operand 5335 states and 13981 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:48,729 INFO L93 Difference]: Finished difference Result 10810 states and 28298 transitions. [2022-01-18 01:12:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:12:48,729 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:48,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:48,743 INFO L225 Difference]: With dead ends: 10810 [2022-01-18 01:12:48,744 INFO L226 Difference]: Without dead ends: 10519 [2022-01-18 01:12:48,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1076, Invalid=3346, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:12:48,744 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1189 mSDsluCounter, 6108 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:48,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1189 Valid, 6380 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:12:48,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10519 states. [2022-01-18 01:12:48,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10519 to 5339. [2022-01-18 01:12:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.6204571000374672) internal successors, (13988), 5338 states have internal predecessors, (13988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 13988 transitions. [2022-01-18 01:12:48,824 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 13988 transitions. Word has length 135 [2022-01-18 01:12:48,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:48,825 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 13988 transitions. [2022-01-18 01:12:48,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 13988 transitions. [2022-01-18 01:12:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:48,830 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:48,830 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:48,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2022-01-18 01:12:48,830 INFO L402 AbstractCegarLoop]: === Iteration 265 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:48,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1806224509, now seen corresponding path program 214 times [2022-01-18 01:12:48,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:48,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629236016] [2022-01-18 01:12:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:48,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:49,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:49,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629236016] [2022-01-18 01:12:49,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629236016] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:49,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:49,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:49,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962441372] [2022-01-18 01:12:49,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:49,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:49,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:49,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:49,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:49,165 INFO L87 Difference]: Start difference. First operand 5339 states and 13988 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:51,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:51,250 INFO L93 Difference]: Finished difference Result 10696 states and 27992 transitions. [2022-01-18 01:12:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:12:51,251 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:51,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:51,261 INFO L225 Difference]: With dead ends: 10696 [2022-01-18 01:12:51,261 INFO L226 Difference]: Without dead ends: 10430 [2022-01-18 01:12:51,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=815, Invalid=2607, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:12:51,262 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 1138 mSDsluCounter, 6877 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 7117 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:51,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1138 Valid, 7117 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10430 states. [2022-01-18 01:12:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10430 to 5343. [2022-01-18 01:12:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.6198053163609134) internal successors, (13995), 5342 states have internal predecessors, (13995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 13995 transitions. [2022-01-18 01:12:51,330 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 13995 transitions. Word has length 135 [2022-01-18 01:12:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:51,330 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 13995 transitions. [2022-01-18 01:12:51,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 13995 transitions. [2022-01-18 01:12:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:51,335 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:51,336 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:51,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2022-01-18 01:12:51,336 INFO L402 AbstractCegarLoop]: === Iteration 266 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:51,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:51,336 INFO L85 PathProgramCache]: Analyzing trace with hash 319894315, now seen corresponding path program 215 times [2022-01-18 01:12:51,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:51,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947410254] [2022-01-18 01:12:51,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:51,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:51,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:51,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947410254] [2022-01-18 01:12:51,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947410254] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:51,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:51,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:51,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418582499] [2022-01-18 01:12:51,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:51,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:51,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:51,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:51,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:51,768 INFO L87 Difference]: Start difference. First operand 5343 states and 13995 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:53,984 INFO L93 Difference]: Finished difference Result 10658 states and 27892 transitions. [2022-01-18 01:12:53,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:12:53,985 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:53,998 INFO L225 Difference]: With dead ends: 10658 [2022-01-18 01:12:53,998 INFO L226 Difference]: Without dead ends: 10375 [2022-01-18 01:12:53,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=867, Invalid=2793, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:12:53,998 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1120 mSDsluCounter, 6853 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 7108 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:53,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1120 Valid, 7108 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:54,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10375 states. [2022-01-18 01:12:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10375 to 5323. [2022-01-18 01:12:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6208192408868847) internal successors, (13948), 5322 states have internal predecessors, (13948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 13948 transitions. [2022-01-18 01:12:54,076 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 13948 transitions. Word has length 135 [2022-01-18 01:12:54,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:54,076 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 13948 transitions. [2022-01-18 01:12:54,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:54,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 13948 transitions. [2022-01-18 01:12:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:54,081 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:54,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:54,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2022-01-18 01:12:54,081 INFO L402 AbstractCegarLoop]: === Iteration 267 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:54,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:54,081 INFO L85 PathProgramCache]: Analyzing trace with hash -980229067, now seen corresponding path program 216 times [2022-01-18 01:12:54,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:54,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483193907] [2022-01-18 01:12:54,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:54,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:54,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:54,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483193907] [2022-01-18 01:12:54,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483193907] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:54,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:54,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:54,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902650712] [2022-01-18 01:12:54,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:54,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:54,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:54,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:54,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:54,417 INFO L87 Difference]: Start difference. First operand 5323 states and 13948 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:56,876 INFO L93 Difference]: Finished difference Result 10818 states and 28320 transitions. [2022-01-18 01:12:56,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:12:56,877 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:56,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:56,888 INFO L225 Difference]: With dead ends: 10818 [2022-01-18 01:12:56,888 INFO L226 Difference]: Without dead ends: 10527 [2022-01-18 01:12:56,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1044, Invalid=3246, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:12:56,888 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 1199 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 7103 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:56,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1199 Valid, 7103 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10527 states. [2022-01-18 01:12:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10527 to 5331. [2022-01-18 01:12:56,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6202626641651032) internal successors, (13966), 5330 states have internal predecessors, (13966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13966 transitions. [2022-01-18 01:12:56,958 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13966 transitions. Word has length 135 [2022-01-18 01:12:56,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:56,958 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13966 transitions. [2022-01-18 01:12:56,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13966 transitions. [2022-01-18 01:12:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:56,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:56,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:56,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2022-01-18 01:12:56,963 INFO L402 AbstractCegarLoop]: === Iteration 268 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1271935095, now seen corresponding path program 217 times [2022-01-18 01:12:56,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:56,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665842487] [2022-01-18 01:12:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:56,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:57,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:57,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665842487] [2022-01-18 01:12:57,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665842487] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:57,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:57,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:57,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850547962] [2022-01-18 01:12:57,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:57,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:57,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:57,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:57,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:57,317 INFO L87 Difference]: Start difference. First operand 5331 states and 13966 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:59,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:12:59,446 INFO L93 Difference]: Finished difference Result 10768 states and 28190 transitions. [2022-01-18 01:12:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:12:59,446 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:12:59,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:12:59,461 INFO L225 Difference]: With dead ends: 10768 [2022-01-18 01:12:59,461 INFO L226 Difference]: Without dead ends: 10502 [2022-01-18 01:12:59,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=843, Invalid=2697, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:12:59,462 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1139 mSDsluCounter, 6903 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 7143 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:12:59,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1139 Valid, 7143 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:12:59,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10502 states. [2022-01-18 01:12:59,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10502 to 5335. [2022-01-18 01:12:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.619610048743907) internal successors, (13973), 5334 states have internal predecessors, (13973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13973 transitions. [2022-01-18 01:12:59,548 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13973 transitions. Word has length 135 [2022-01-18 01:12:59,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:12:59,548 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13973 transitions. [2022-01-18 01:12:59,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:12:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13973 transitions. [2022-01-18 01:12:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:12:59,553 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:12:59,553 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:12:59,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2022-01-18 01:12:59,553 INFO L402 AbstractCegarLoop]: === Iteration 269 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:12:59,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:12:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash 854183729, now seen corresponding path program 218 times [2022-01-18 01:12:59,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:12:59,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156159597] [2022-01-18 01:12:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:12:59,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:12:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:12:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:12:59,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:12:59,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156159597] [2022-01-18 01:12:59,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156159597] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:12:59,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:12:59,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:12:59,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176923506] [2022-01-18 01:12:59,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:12:59,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:12:59,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:12:59,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:12:59,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:12:59,890 INFO L87 Difference]: Start difference. First operand 5335 states and 13973 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:02,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:02,064 INFO L93 Difference]: Finished difference Result 10730 states and 28090 transitions. [2022-01-18 01:13:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:02,065 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:02,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:02,077 INFO L225 Difference]: With dead ends: 10730 [2022-01-18 01:13:02,077 INFO L226 Difference]: Without dead ends: 10459 [2022-01-18 01:13:02,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=873, Invalid=2787, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:02,077 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 1124 mSDsluCounter, 6836 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 7090 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:02,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 7090 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10459 states. [2022-01-18 01:13:02,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10459 to 5327. [2022-01-18 01:13:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6201652271873828) internal successors, (13955), 5326 states have internal predecessors, (13955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 13955 transitions. [2022-01-18 01:13:02,153 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 13955 transitions. Word has length 135 [2022-01-18 01:13:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:02,153 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 13955 transitions. [2022-01-18 01:13:02,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 13955 transitions. [2022-01-18 01:13:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:02,157 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:02,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:02,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2022-01-18 01:13:02,158 INFO L402 AbstractCegarLoop]: === Iteration 270 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1226963895, now seen corresponding path program 219 times [2022-01-18 01:13:02,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:02,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672180760] [2022-01-18 01:13:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:02,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:02,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:02,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672180760] [2022-01-18 01:13:02,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672180760] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:02,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:02,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:02,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391230985] [2022-01-18 01:13:02,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:02,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:02,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:02,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:02,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:02,507 INFO L87 Difference]: Start difference. First operand 5327 states and 13955 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:04,974 INFO L93 Difference]: Finished difference Result 10820 states and 28308 transitions. [2022-01-18 01:13:04,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:13:04,975 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:04,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:04,988 INFO L225 Difference]: With dead ends: 10820 [2022-01-18 01:13:04,988 INFO L226 Difference]: Without dead ends: 10523 [2022-01-18 01:13:04,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1010, Invalid=3150, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:13:04,989 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1194 mSDsluCounter, 6960 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 7193 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:04,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1194 Valid, 7193 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:04,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10523 states. [2022-01-18 01:13:05,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10523 to 5331. [2022-01-18 01:13:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6195121951219513) internal successors, (13962), 5330 states have internal predecessors, (13962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13962 transitions. [2022-01-18 01:13:05,068 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13962 transitions. Word has length 135 [2022-01-18 01:13:05,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:05,068 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13962 transitions. [2022-01-18 01:13:05,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13962 transitions. [2022-01-18 01:13:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:05,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:05,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:05,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2022-01-18 01:13:05,073 INFO L402 AbstractCegarLoop]: === Iteration 271 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:05,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1189613885, now seen corresponding path program 220 times [2022-01-18 01:13:05,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:05,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396565029] [2022-01-18 01:13:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:05,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:05,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:05,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396565029] [2022-01-18 01:13:05,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396565029] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:05,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:05,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:05,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818588918] [2022-01-18 01:13:05,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:05,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:05,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:05,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:05,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:05,443 INFO L87 Difference]: Start difference. First operand 5331 states and 13962 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:07,628 INFO L93 Difference]: Finished difference Result 10720 states and 28054 transitions. [2022-01-18 01:13:07,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:07,628 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:07,643 INFO L225 Difference]: With dead ends: 10720 [2022-01-18 01:13:07,643 INFO L226 Difference]: Without dead ends: 10454 [2022-01-18 01:13:07,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=873, Invalid=2787, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:07,644 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1140 mSDsluCounter, 6899 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 7139 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:07,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1140 Valid, 7139 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:07,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10454 states. [2022-01-18 01:13:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10454 to 5335. [2022-01-18 01:13:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.61886014248219) internal successors, (13969), 5334 states have internal predecessors, (13969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13969 transitions. [2022-01-18 01:13:07,742 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13969 transitions. Word has length 135 [2022-01-18 01:13:07,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:07,742 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13969 transitions. [2022-01-18 01:13:07,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13969 transitions. [2022-01-18 01:13:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:07,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:07,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:07,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2022-01-18 01:13:07,748 INFO L402 AbstractCegarLoop]: === Iteration 272 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:07,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:07,748 INFO L85 PathProgramCache]: Analyzing trace with hash 936504939, now seen corresponding path program 221 times [2022-01-18 01:13:07,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:07,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591181238] [2022-01-18 01:13:07,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:07,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:08,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:08,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591181238] [2022-01-18 01:13:08,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591181238] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:08,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:08,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:08,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902687913] [2022-01-18 01:13:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:08,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:08,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:08,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:08,084 INFO L87 Difference]: Start difference. First operand 5335 states and 13969 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:10,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:10,189 INFO L93 Difference]: Finished difference Result 10650 states and 27866 transitions. [2022-01-18 01:13:10,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:13:10,189 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:10,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:10,202 INFO L225 Difference]: With dead ends: 10650 [2022-01-18 01:13:10,203 INFO L226 Difference]: Without dead ends: 10363 [2022-01-18 01:13:10,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=843, Invalid=2697, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:13:10,203 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 1112 mSDsluCounter, 6824 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:10,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1112 Valid, 7072 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2022-01-18 01:13:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 5311. [2022-01-18 01:13:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.620527306967985) internal successors, (13915), 5310 states have internal predecessors, (13915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13915 transitions. [2022-01-18 01:13:10,285 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13915 transitions. Word has length 135 [2022-01-18 01:13:10,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:10,285 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13915 transitions. [2022-01-18 01:13:10,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13915 transitions. [2022-01-18 01:13:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:10,290 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:10,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:10,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2022-01-18 01:13:10,290 INFO L402 AbstractCegarLoop]: === Iteration 273 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:10,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1594245423, now seen corresponding path program 222 times [2022-01-18 01:13:10,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:10,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644727766] [2022-01-18 01:13:10,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:10,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:10,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:10,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644727766] [2022-01-18 01:13:10,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644727766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:10,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:10,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:10,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136310485] [2022-01-18 01:13:10,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:10,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:10,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:10,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:10,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:10,700 INFO L87 Difference]: Start difference. First operand 5311 states and 13915 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:13,211 INFO L93 Difference]: Finished difference Result 10866 states and 28452 transitions. [2022-01-18 01:13:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:13:13,211 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:13,225 INFO L225 Difference]: With dead ends: 10866 [2022-01-18 01:13:13,225 INFO L226 Difference]: Without dead ends: 10575 [2022-01-18 01:13:13,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1020, Invalid=3140, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:13:13,226 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 1191 mSDsluCounter, 6840 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:13,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1191 Valid, 7091 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:13,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10575 states. [2022-01-18 01:13:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10575 to 5331. [2022-01-18 01:13:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6202626641651032) internal successors, (13966), 5330 states have internal predecessors, (13966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13966 transitions. [2022-01-18 01:13:13,311 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13966 transitions. Word has length 135 [2022-01-18 01:13:13,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:13,311 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13966 transitions. [2022-01-18 01:13:13,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13966 transitions. [2022-01-18 01:13:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:13,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:13,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:13,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2022-01-18 01:13:13,317 INFO L402 AbstractCegarLoop]: === Iteration 274 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1885951451, now seen corresponding path program 223 times [2022-01-18 01:13:13,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:13,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767216735] [2022-01-18 01:13:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:13,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:13,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:13,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767216735] [2022-01-18 01:13:13,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767216735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:13,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:13,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:13,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815198855] [2022-01-18 01:13:13,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:13,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:13,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:13,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:13,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:13,673 INFO L87 Difference]: Start difference. First operand 5331 states and 13966 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:15,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:15,830 INFO L93 Difference]: Finished difference Result 10832 states and 28366 transitions. [2022-01-18 01:13:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:13:15,830 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:15,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:15,844 INFO L225 Difference]: With dead ends: 10832 [2022-01-18 01:13:15,844 INFO L226 Difference]: Without dead ends: 10566 [2022-01-18 01:13:15,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=838, Invalid=2702, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:13:15,845 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1138 mSDsluCounter, 6881 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 7123 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:15,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1138 Valid, 7123 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10566 states. [2022-01-18 01:13:15,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10566 to 5335. [2022-01-18 01:13:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.619610048743907) internal successors, (13973), 5334 states have internal predecessors, (13973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13973 transitions. [2022-01-18 01:13:15,936 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13973 transitions. Word has length 135 [2022-01-18 01:13:15,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:15,936 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13973 transitions. [2022-01-18 01:13:15,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13973 transitions. [2022-01-18 01:13:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:15,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:15,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:15,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2022-01-18 01:13:15,941 INFO L402 AbstractCegarLoop]: === Iteration 275 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:15,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:15,942 INFO L85 PathProgramCache]: Analyzing trace with hash 240167373, now seen corresponding path program 224 times [2022-01-18 01:13:15,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:15,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616937841] [2022-01-18 01:13:15,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:15,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:16,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:16,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616937841] [2022-01-18 01:13:16,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616937841] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:16,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:16,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:16,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341756888] [2022-01-18 01:13:16,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:16,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:16,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:16,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:16,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:16,278 INFO L87 Difference]: Start difference. First operand 5335 states and 13973 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:18,447 INFO L93 Difference]: Finished difference Result 10794 states and 28266 transitions. [2022-01-18 01:13:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:18,463 INFO L225 Difference]: With dead ends: 10794 [2022-01-18 01:13:18,463 INFO L226 Difference]: Without dead ends: 10523 [2022-01-18 01:13:18,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=878, Invalid=2782, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:18,463 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 1126 mSDsluCounter, 6846 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 7097 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:18,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 7097 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10523 states. [2022-01-18 01:13:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10523 to 5327. [2022-01-18 01:13:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5327 states, 5326 states have (on average 2.6201652271873828) internal successors, (13955), 5326 states have internal predecessors, (13955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 5327 states and 13955 transitions. [2022-01-18 01:13:18,557 INFO L78 Accepts]: Start accepts. Automaton has 5327 states and 13955 transitions. Word has length 135 [2022-01-18 01:13:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:18,557 INFO L470 AbstractCegarLoop]: Abstraction has 5327 states and 13955 transitions. [2022-01-18 01:13:18,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 13955 transitions. [2022-01-18 01:13:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:18,563 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:18,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:18,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2022-01-18 01:13:18,563 INFO L402 AbstractCegarLoop]: === Iteration 276 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:18,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:18,563 INFO L85 PathProgramCache]: Analyzing trace with hash 612947539, now seen corresponding path program 225 times [2022-01-18 01:13:18,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:18,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93124015] [2022-01-18 01:13:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:18,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:18,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:18,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93124015] [2022-01-18 01:13:18,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93124015] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:18,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:18,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:18,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104862938] [2022-01-18 01:13:18,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:18,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:18,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:18,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:18,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:18,919 INFO L87 Difference]: Start difference. First operand 5327 states and 13955 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:21,497 INFO L93 Difference]: Finished difference Result 10964 states and 28704 transitions. [2022-01-18 01:13:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:13:21,498 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:21,509 INFO L225 Difference]: With dead ends: 10964 [2022-01-18 01:13:21,509 INFO L226 Difference]: Without dead ends: 10667 [2022-01-18 01:13:21,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1033, Invalid=3257, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:13:21,510 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 1189 mSDsluCounter, 7773 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 7986 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:21,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1189 Valid, 7986 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10667 states. [2022-01-18 01:13:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10667 to 5331. [2022-01-18 01:13:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 5330 states have (on average 2.6195121951219513) internal successors, (13962), 5330 states have internal predecessors, (13962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 13962 transitions. [2022-01-18 01:13:21,584 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 13962 transitions. Word has length 135 [2022-01-18 01:13:21,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:21,584 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 13962 transitions. [2022-01-18 01:13:21,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:21,584 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 13962 transitions. [2022-01-18 01:13:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:21,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:21,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:21,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2022-01-18 01:13:21,589 INFO L402 AbstractCegarLoop]: === Iteration 277 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:21,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:21,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1803630241, now seen corresponding path program 226 times [2022-01-18 01:13:21,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:21,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3136253] [2022-01-18 01:13:21,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:21,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:21,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:21,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3136253] [2022-01-18 01:13:21,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3136253] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:21,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:21,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:21,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756092203] [2022-01-18 01:13:21,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:21,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:21,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:21,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:21,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:21,941 INFO L87 Difference]: Start difference. First operand 5331 states and 13962 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:24,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:24,141 INFO L93 Difference]: Finished difference Result 10848 states and 28406 transitions. [2022-01-18 01:13:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:24,141 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:24,156 INFO L225 Difference]: With dead ends: 10848 [2022-01-18 01:13:24,156 INFO L226 Difference]: Without dead ends: 10582 [2022-01-18 01:13:24,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=868, Invalid=2792, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:24,156 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1135 mSDsluCounter, 7278 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 7511 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:24,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1135 Valid, 7511 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:24,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10582 states. [2022-01-18 01:13:24,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10582 to 5335. [2022-01-18 01:13:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.61886014248219) internal successors, (13969), 5334 states have internal predecessors, (13969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13969 transitions. [2022-01-18 01:13:24,243 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13969 transitions. Word has length 135 [2022-01-18 01:13:24,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:24,243 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13969 transitions. [2022-01-18 01:13:24,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13969 transitions. [2022-01-18 01:13:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:24,248 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:24,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:24,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2022-01-18 01:13:24,248 INFO L402 AbstractCegarLoop]: === Iteration 278 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:24,249 INFO L85 PathProgramCache]: Analyzing trace with hash 322488583, now seen corresponding path program 227 times [2022-01-18 01:13:24,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:24,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118602222] [2022-01-18 01:13:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:24,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:24,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:24,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118602222] [2022-01-18 01:13:24,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118602222] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:24,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:24,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:24,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698365149] [2022-01-18 01:13:24,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:24,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:24,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:24,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:24,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:24,611 INFO L87 Difference]: Start difference. First operand 5335 states and 13969 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:26,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:26,776 INFO L93 Difference]: Finished difference Result 10794 states and 28262 transitions. [2022-01-18 01:13:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:13:26,776 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:26,787 INFO L225 Difference]: With dead ends: 10794 [2022-01-18 01:13:26,787 INFO L226 Difference]: Without dead ends: 10519 [2022-01-18 01:13:26,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=848, Invalid=2692, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:13:26,788 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 1114 mSDsluCounter, 7190 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 7431 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:26,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1114 Valid, 7431 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10519 states. [2022-01-18 01:13:26,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10519 to 5323. [2022-01-18 01:13:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 5322 states have (on average 2.6200676437429538) internal successors, (13944), 5322 states have internal predecessors, (13944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 13944 transitions. [2022-01-18 01:13:26,865 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 13944 transitions. Word has length 135 [2022-01-18 01:13:26,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:26,865 INFO L470 AbstractCegarLoop]: Abstraction has 5323 states and 13944 transitions. [2022-01-18 01:13:26,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 13944 transitions. [2022-01-18 01:13:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:26,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:26,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:26,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2022-01-18 01:13:26,870 INFO L402 AbstractCegarLoop]: === Iteration 279 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash -296817469, now seen corresponding path program 228 times [2022-01-18 01:13:26,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:26,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960250620] [2022-01-18 01:13:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:26,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:27,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:27,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960250620] [2022-01-18 01:13:27,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960250620] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:27,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:27,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:27,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886744981] [2022-01-18 01:13:27,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:27,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:27,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:27,233 INFO L87 Difference]: Start difference. First operand 5323 states and 13944 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:30,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:30,078 INFO L93 Difference]: Finished difference Result 10987 states and 28736 transitions. [2022-01-18 01:13:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-18 01:13:30,079 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:30,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:30,093 INFO L225 Difference]: With dead ends: 10987 [2022-01-18 01:13:30,093 INFO L226 Difference]: Without dead ends: 10597 [2022-01-18 01:13:30,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1219, Invalid=3751, Unknown=0, NotChecked=0, Total=4970 [2022-01-18 01:13:30,094 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 1259 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 7687 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:30,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1259 Valid, 7687 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:30,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10597 states. [2022-01-18 01:13:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10597 to 5335. [2022-01-18 01:13:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5334 states have (on average 2.6181102362204722) internal successors, (13965), 5334 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 13965 transitions. [2022-01-18 01:13:30,183 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 13965 transitions. Word has length 135 [2022-01-18 01:13:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:30,183 INFO L470 AbstractCegarLoop]: Abstraction has 5335 states and 13965 transitions. [2022-01-18 01:13:30,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 13965 transitions. [2022-01-18 01:13:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:30,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:30,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:30,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2022-01-18 01:13:30,188 INFO L402 AbstractCegarLoop]: === Iteration 280 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:30,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash -690282505, now seen corresponding path program 229 times [2022-01-18 01:13:30,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:30,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452276288] [2022-01-18 01:13:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:30,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:30,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:30,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452276288] [2022-01-18 01:13:30,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452276288] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:30,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:30,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:30,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22490673] [2022-01-18 01:13:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:30,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:30,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:30,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:30,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:30,569 INFO L87 Difference]: Start difference. First operand 5335 states and 13965 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:33,143 INFO L93 Difference]: Finished difference Result 10844 states and 28362 transitions. [2022-01-18 01:13:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:13:33,144 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:33,156 INFO L225 Difference]: With dead ends: 10844 [2022-01-18 01:13:33,156 INFO L226 Difference]: Without dead ends: 10547 [2022-01-18 01:13:33,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1057, Invalid=3365, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:13:33,157 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 1199 mSDsluCounter, 7379 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 7604 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:33,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1199 Valid, 7604 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10547 states. [2022-01-18 01:13:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10547 to 5339. [2022-01-18 01:13:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 5338 states have (on average 2.6174597227426) internal successors, (13972), 5338 states have internal predecessors, (13972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 13972 transitions. [2022-01-18 01:13:33,240 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 13972 transitions. Word has length 135 [2022-01-18 01:13:33,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:33,240 INFO L470 AbstractCegarLoop]: Abstraction has 5339 states and 13972 transitions. [2022-01-18 01:13:33,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 13972 transitions. [2022-01-18 01:13:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:33,245 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:33,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:33,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2022-01-18 01:13:33,246 INFO L402 AbstractCegarLoop]: === Iteration 281 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:33,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1188107011, now seen corresponding path program 230 times [2022-01-18 01:13:33,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:33,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139988746] [2022-01-18 01:13:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:33,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:33,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:33,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139988746] [2022-01-18 01:13:33,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139988746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:33,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:33,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:33,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112383566] [2022-01-18 01:13:33,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:33,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:33,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:33,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:33,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:33,605 INFO L87 Difference]: Start difference. First operand 5339 states and 13972 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:35,784 INFO L93 Difference]: Finished difference Result 10744 states and 28108 transitions. [2022-01-18 01:13:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:35,784 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:35,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:35,798 INFO L225 Difference]: With dead ends: 10744 [2022-01-18 01:13:35,798 INFO L226 Difference]: Without dead ends: 10478 [2022-01-18 01:13:35,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=863, Invalid=2797, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:35,799 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 1145 mSDsluCounter, 6880 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 7118 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:35,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1145 Valid, 7118 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:35,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10478 states. [2022-01-18 01:13:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10478 to 5343. [2022-01-18 01:13:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5342 states have (on average 2.6168101834518906) internal successors, (13979), 5342 states have internal predecessors, (13979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 13979 transitions. [2022-01-18 01:13:35,884 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 13979 transitions. Word has length 135 [2022-01-18 01:13:35,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:35,884 INFO L470 AbstractCegarLoop]: Abstraction has 5343 states and 13979 transitions. [2022-01-18 01:13:35,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 13979 transitions. [2022-01-18 01:13:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:35,889 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:35,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:35,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2022-01-18 01:13:35,889 INFO L402 AbstractCegarLoop]: === Iteration 282 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:35,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:35,889 INFO L85 PathProgramCache]: Analyzing trace with hash -980741461, now seen corresponding path program 231 times [2022-01-18 01:13:35,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:35,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172784009] [2022-01-18 01:13:35,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:35,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:36,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:36,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172784009] [2022-01-18 01:13:36,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172784009] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:36,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:36,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:36,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327092316] [2022-01-18 01:13:36,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:36,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:36,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:36,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:36,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:36,243 INFO L87 Difference]: Start difference. First operand 5343 states and 13979 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:38,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:38,321 INFO L93 Difference]: Finished difference Result 10658 states and 27876 transitions. [2022-01-18 01:13:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:13:38,321 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:38,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:38,334 INFO L225 Difference]: With dead ends: 10658 [2022-01-18 01:13:38,334 INFO L226 Difference]: Without dead ends: 10327 [2022-01-18 01:13:38,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=820, Invalid=2602, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:13:38,335 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 1103 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 7395 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:38,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1103 Valid, 7395 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:38,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10327 states. [2022-01-18 01:13:38,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10327 to 5275. [2022-01-18 01:13:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5275 states, 5274 states have (on average 2.619643534319302) internal successors, (13816), 5274 states have internal predecessors, (13816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 13816 transitions. [2022-01-18 01:13:38,422 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 13816 transitions. Word has length 135 [2022-01-18 01:13:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:38,422 INFO L470 AbstractCegarLoop]: Abstraction has 5275 states and 13816 transitions. [2022-01-18 01:13:38,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 13816 transitions. [2022-01-18 01:13:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:38,427 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:38,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:38,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2022-01-18 01:13:38,427 INFO L402 AbstractCegarLoop]: === Iteration 283 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash 689155321, now seen corresponding path program 232 times [2022-01-18 01:13:38,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:38,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21061633] [2022-01-18 01:13:38,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:38,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:38,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:38,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21061633] [2022-01-18 01:13:38,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21061633] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:38,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:38,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:38,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312461438] [2022-01-18 01:13:38,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:38,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:38,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:38,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:38,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:38,805 INFO L87 Difference]: Start difference. First operand 5275 states and 13816 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:41,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:41,188 INFO L93 Difference]: Finished difference Result 10590 states and 27713 transitions. [2022-01-18 01:13:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-18 01:13:41,188 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:41,202 INFO L225 Difference]: With dead ends: 10590 [2022-01-18 01:13:41,202 INFO L226 Difference]: Without dead ends: 10299 [2022-01-18 01:13:41,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1007, Invalid=3025, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 01:13:41,203 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 1176 mSDsluCounter, 6055 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 6322 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:41,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 6322 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:13:41,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2022-01-18 01:13:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 5299. [2022-01-18 01:13:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5298 states have (on average 2.6194790486976216) internal successors, (13878), 5298 states have internal predecessors, (13878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 13878 transitions. [2022-01-18 01:13:41,308 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 13878 transitions. Word has length 135 [2022-01-18 01:13:41,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:41,308 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 13878 transitions. [2022-01-18 01:13:41,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 13878 transitions. [2022-01-18 01:13:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:41,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:41,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:41,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2022-01-18 01:13:41,313 INFO L402 AbstractCegarLoop]: === Iteration 284 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:41,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:41,314 INFO L85 PathProgramCache]: Analyzing trace with hash 397449293, now seen corresponding path program 233 times [2022-01-18 01:13:41,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:41,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104440868] [2022-01-18 01:13:41,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:41,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:41,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:41,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104440868] [2022-01-18 01:13:41,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104440868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:41,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:41,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:41,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555321286] [2022-01-18 01:13:41,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:41,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:41,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:41,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:41,650 INFO L87 Difference]: Start difference. First operand 5299 states and 13878 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:43,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:43,757 INFO L93 Difference]: Finished difference Result 10604 states and 27743 transitions. [2022-01-18 01:13:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:13:43,757 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:43,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:43,771 INFO L225 Difference]: With dead ends: 10604 [2022-01-18 01:13:43,771 INFO L226 Difference]: Without dead ends: 10338 [2022-01-18 01:13:43,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=833, Invalid=2707, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:13:43,772 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 1158 mSDsluCounter, 6823 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 7058 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:43,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 7058 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10338 states. [2022-01-18 01:13:43,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10338 to 5303. [2022-01-18 01:13:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.618823085628065) internal successors, (13885), 5302 states have internal predecessors, (13885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13885 transitions. [2022-01-18 01:13:43,856 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13885 transitions. Word has length 135 [2022-01-18 01:13:43,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:43,856 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13885 transitions. [2022-01-18 01:13:43,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13885 transitions. [2022-01-18 01:13:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:43,861 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:43,862 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:43,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2022-01-18 01:13:43,862 INFO L402 AbstractCegarLoop]: === Iteration 285 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:43,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1771399179, now seen corresponding path program 234 times [2022-01-18 01:13:43,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:43,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239620400] [2022-01-18 01:13:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:43,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:44,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:44,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239620400] [2022-01-18 01:13:44,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239620400] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:44,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:44,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:44,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465238747] [2022-01-18 01:13:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:44,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:44,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:44,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:44,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:44,237 INFO L87 Difference]: Start difference. First operand 5303 states and 13885 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:46,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:46,432 INFO L93 Difference]: Finished difference Result 10566 states and 27643 transitions. [2022-01-18 01:13:46,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:46,433 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:46,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:46,446 INFO L225 Difference]: With dead ends: 10566 [2022-01-18 01:13:46,446 INFO L226 Difference]: Without dead ends: 10295 [2022-01-18 01:13:46,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=891, Invalid=2769, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:46,447 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 1125 mSDsluCounter, 6375 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:46,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1125 Valid, 6628 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:13:46,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10295 states. [2022-01-18 01:13:46,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10295 to 5295. [2022-01-18 01:13:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5294 states have (on average 2.6193804306762374) internal successors, (13867), 5294 states have internal predecessors, (13867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 13867 transitions. [2022-01-18 01:13:46,539 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 13867 transitions. Word has length 135 [2022-01-18 01:13:46,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:46,539 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 13867 transitions. [2022-01-18 01:13:46,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 13867 transitions. [2022-01-18 01:13:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:46,544 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:46,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:46,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2022-01-18 01:13:46,545 INFO L402 AbstractCegarLoop]: === Iteration 286 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1398619013, now seen corresponding path program 235 times [2022-01-18 01:13:46,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:46,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448999811] [2022-01-18 01:13:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:46,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:46,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:46,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448999811] [2022-01-18 01:13:46,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448999811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:46,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:46,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:46,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042631454] [2022-01-18 01:13:46,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:46,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:46,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:46,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:46,906 INFO L87 Difference]: Start difference. First operand 5295 states and 13867 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:49,389 INFO L93 Difference]: Finished difference Result 10736 states and 28081 transitions. [2022-01-18 01:13:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:13:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:49,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:49,403 INFO L225 Difference]: With dead ends: 10736 [2022-01-18 01:13:49,403 INFO L226 Difference]: Without dead ends: 10439 [2022-01-18 01:13:49,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1023, Invalid=3267, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:13:49,403 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 1233 mSDsluCounter, 6908 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:49,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1233 Valid, 7135 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10439 states. [2022-01-18 01:13:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10439 to 5299. [2022-01-18 01:13:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5298 states have (on average 2.618724046810117) internal successors, (13874), 5298 states have internal predecessors, (13874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 13874 transitions. [2022-01-18 01:13:49,482 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 13874 transitions. Word has length 135 [2022-01-18 01:13:49,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:49,482 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 13874 transitions. [2022-01-18 01:13:49,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 13874 transitions. [2022-01-18 01:13:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:49,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:49,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:49,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285 [2022-01-18 01:13:49,487 INFO L402 AbstractCegarLoop]: === Iteration 287 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:49,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash 479770503, now seen corresponding path program 236 times [2022-01-18 01:13:49,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:49,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759204035] [2022-01-18 01:13:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:49,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:49,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:49,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759204035] [2022-01-18 01:13:49,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759204035] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:49,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:49,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:49,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072307526] [2022-01-18 01:13:49,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:49,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:49,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:49,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:49,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:49,835 INFO L87 Difference]: Start difference. First operand 5299 states and 13874 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:52,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:52,027 INFO L93 Difference]: Finished difference Result 10620 states and 27783 transitions. [2022-01-18 01:13:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:13:52,028 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:52,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:52,039 INFO L225 Difference]: With dead ends: 10620 [2022-01-18 01:13:52,039 INFO L226 Difference]: Without dead ends: 10354 [2022-01-18 01:13:52,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=863, Invalid=2797, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:13:52,039 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 1142 mSDsluCounter, 7208 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 7433 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:52,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 7433 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:52,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10354 states. [2022-01-18 01:13:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10354 to 5303. [2022-01-18 01:13:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.618068653338363) internal successors, (13881), 5302 states have internal predecessors, (13881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13881 transitions. [2022-01-18 01:13:52,114 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13881 transitions. Word has length 135 [2022-01-18 01:13:52,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:52,114 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13881 transitions. [2022-01-18 01:13:52,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13881 transitions. [2022-01-18 01:13:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:52,119 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:52,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:52,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286 [2022-01-18 01:13:52,120 INFO L402 AbstractCegarLoop]: === Iteration 288 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:52,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:52,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1689077969, now seen corresponding path program 237 times [2022-01-18 01:13:52,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:52,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275972570] [2022-01-18 01:13:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:52,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:52,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:52,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275972570] [2022-01-18 01:13:52,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275972570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:52,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:52,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:52,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146551880] [2022-01-18 01:13:52,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:52,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:52,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:52,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:52,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:52,461 INFO L87 Difference]: Start difference. First operand 5303 states and 13881 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:54,593 INFO L93 Difference]: Finished difference Result 10566 states and 27639 transitions. [2022-01-18 01:13:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:13:54,594 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:54,607 INFO L225 Difference]: With dead ends: 10566 [2022-01-18 01:13:54,607 INFO L226 Difference]: Without dead ends: 10291 [2022-01-18 01:13:54,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=853, Invalid=2687, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:13:54,608 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 1135 mSDsluCounter, 6713 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 6953 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:54,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1135 Valid, 6953 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:54,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10291 states. [2022-01-18 01:13:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10291 to 5291. [2022-01-18 01:13:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5291 states, 5290 states have (on average 2.619281663516068) internal successors, (13856), 5290 states have internal predecessors, (13856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 13856 transitions. [2022-01-18 01:13:54,691 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 13856 transitions. Word has length 135 [2022-01-18 01:13:54,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:54,692 INFO L470 AbstractCegarLoop]: Abstraction has 5291 states and 13856 transitions. [2022-01-18 01:13:54,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 13856 transitions. [2022-01-18 01:13:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:54,696 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:54,696 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:54,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287 [2022-01-18 01:13:54,697 INFO L402 AbstractCegarLoop]: === Iteration 289 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:54,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1986583275, now seen corresponding path program 238 times [2022-01-18 01:13:54,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:54,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992853756] [2022-01-18 01:13:54,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:54,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:55,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:55,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992853756] [2022-01-18 01:13:55,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992853756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:55,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:55,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:55,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376959435] [2022-01-18 01:13:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:55,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:55,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:55,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:55,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:55,053 INFO L87 Difference]: Start difference. First operand 5291 states and 13856 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:57,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:13:57,873 INFO L93 Difference]: Finished difference Result 10903 states and 28509 transitions. [2022-01-18 01:13:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 01:13:57,873 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:13:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:13:57,885 INFO L225 Difference]: With dead ends: 10903 [2022-01-18 01:13:57,885 INFO L226 Difference]: Without dead ends: 10513 [2022-01-18 01:13:57,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1238, Invalid=3874, Unknown=0, NotChecked=0, Total=5112 [2022-01-18 01:13:57,886 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1289 mSDsluCounter, 7401 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:13:57,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1289 Valid, 7611 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:13:57,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10513 states. [2022-01-18 01:13:57,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10513 to 5303. [2022-01-18 01:13:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.617314221048661) internal successors, (13877), 5302 states have internal predecessors, (13877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13877 transitions. [2022-01-18 01:13:57,962 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13877 transitions. Word has length 135 [2022-01-18 01:13:57,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:13:57,962 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13877 transitions. [2022-01-18 01:13:57,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:13:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13877 transitions. [2022-01-18 01:13:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:13:57,967 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:13:57,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:13:57,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable288 [2022-01-18 01:13:57,967 INFO L402 AbstractCegarLoop]: === Iteration 290 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:13:57,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:13:57,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1593118239, now seen corresponding path program 239 times [2022-01-18 01:13:57,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:13:57,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914761902] [2022-01-18 01:13:57,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:13:57,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:13:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:13:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:13:58,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:13:58,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914761902] [2022-01-18 01:13:58,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914761902] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:13:58,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:13:58,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:13:58,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734021073] [2022-01-18 01:13:58,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:13:58,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:13:58,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:13:58,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:13:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:13:58,322 INFO L87 Difference]: Start difference. First operand 5303 states and 13877 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:00,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:00,842 INFO L93 Difference]: Finished difference Result 10752 states and 28113 transitions. [2022-01-18 01:14:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:14:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:00,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:00,856 INFO L225 Difference]: With dead ends: 10752 [2022-01-18 01:14:00,856 INFO L226 Difference]: Without dead ends: 10455 [2022-01-18 01:14:00,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1047, Invalid=3375, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:14:00,857 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 1230 mSDsluCounter, 6917 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:00,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1230 Valid, 7145 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:00,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10455 states. [2022-01-18 01:14:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10455 to 5307. [2022-01-18 01:14:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 5306 states have (on average 2.616660384470411) internal successors, (13884), 5306 states have internal predecessors, (13884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 13884 transitions. [2022-01-18 01:14:00,939 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 13884 transitions. Word has length 135 [2022-01-18 01:14:00,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:00,940 INFO L470 AbstractCegarLoop]: Abstraction has 5307 states and 13884 transitions. [2022-01-18 01:14:00,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 13884 transitions. [2022-01-18 01:14:00,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:00,944 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:00,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:00,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2022-01-18 01:14:00,944 INFO L402 AbstractCegarLoop]: === Iteration 291 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:00,945 INFO L85 PathProgramCache]: Analyzing trace with hash -823459541, now seen corresponding path program 240 times [2022-01-18 01:14:00,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:00,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957529662] [2022-01-18 01:14:00,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:00,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:01,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:01,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957529662] [2022-01-18 01:14:01,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957529662] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:01,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:01,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:01,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837965863] [2022-01-18 01:14:01,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:01,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:01,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:01,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:01,298 INFO L87 Difference]: Start difference. First operand 5307 states and 13884 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:03,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:03,473 INFO L93 Difference]: Finished difference Result 10636 states and 27815 transitions. [2022-01-18 01:14:03,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:14:03,473 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:03,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:03,485 INFO L225 Difference]: With dead ends: 10636 [2022-01-18 01:14:03,485 INFO L226 Difference]: Without dead ends: 10370 [2022-01-18 01:14:03,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=858, Invalid=2802, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:14:03,486 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 1138 mSDsluCounter, 7564 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 7776 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:03,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1138 Valid, 7776 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:03,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10370 states. [2022-01-18 01:14:03,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10370 to 5311. [2022-01-18 01:14:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 5310 states have (on average 2.6160075329566856) internal successors, (13891), 5310 states have internal predecessors, (13891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 13891 transitions. [2022-01-18 01:14:03,565 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 13891 transitions. Word has length 135 [2022-01-18 01:14:03,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:03,566 INFO L470 AbstractCegarLoop]: Abstraction has 5311 states and 13891 transitions. [2022-01-18 01:14:03,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 13891 transitions. [2022-01-18 01:14:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:03,571 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:03,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:03,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290 [2022-01-18 01:14:03,571 INFO L402 AbstractCegarLoop]: === Iteration 292 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1302659283, now seen corresponding path program 241 times [2022-01-18 01:14:03,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:03,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692570556] [2022-01-18 01:14:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:03,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:03,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:03,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692570556] [2022-01-18 01:14:03,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692570556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:03,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:03,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:03,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023282246] [2022-01-18 01:14:03,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:03,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:03,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:03,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:03,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:03,932 INFO L87 Difference]: Start difference. First operand 5311 states and 13891 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:06,025 INFO L93 Difference]: Finished difference Result 10574 states and 27649 transitions. [2022-01-18 01:14:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:14:06,026 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:06,040 INFO L225 Difference]: With dead ends: 10574 [2022-01-18 01:14:06,040 INFO L226 Difference]: Without dead ends: 10279 [2022-01-18 01:14:06,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=825, Invalid=2597, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:14:06,041 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 1137 mSDsluCounter, 6697 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 6934 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:06,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1137 Valid, 6934 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10279 states. [2022-01-18 01:14:06,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10279 to 5279. [2022-01-18 01:14:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 5278 states have (on average 2.61898446381205) internal successors, (13823), 5278 states have internal predecessors, (13823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 13823 transitions. [2022-01-18 01:14:06,129 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 13823 transitions. Word has length 135 [2022-01-18 01:14:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:06,129 INFO L470 AbstractCegarLoop]: Abstraction has 5279 states and 13823 transitions. [2022-01-18 01:14:06,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 13823 transitions. [2022-01-18 01:14:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:06,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:06,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:06,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291 [2022-01-18 01:14:06,134 INFO L402 AbstractCegarLoop]: === Iteration 293 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:06,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:06,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1508703591, now seen corresponding path program 242 times [2022-01-18 01:14:06,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:06,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107664794] [2022-01-18 01:14:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:06,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:06,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107664794] [2022-01-18 01:14:06,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107664794] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:06,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:06,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:06,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649967023] [2022-01-18 01:14:06,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:06,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:06,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:06,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:06,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:06,492 INFO L87 Difference]: Start difference. First operand 5279 states and 13823 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:09,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:09,602 INFO L93 Difference]: Finished difference Result 10885 states and 28364 transitions. [2022-01-18 01:14:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-18 01:14:09,602 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:09,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:09,615 INFO L225 Difference]: With dead ends: 10885 [2022-01-18 01:14:09,615 INFO L226 Difference]: Without dead ends: 10464 [2022-01-18 01:14:09,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1423, Invalid=4277, Unknown=0, NotChecked=0, Total=5700 [2022-01-18 01:14:09,616 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1594 mSDsluCounter, 7412 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 7625 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:09,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1594 Valid, 7625 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10464 states. [2022-01-18 01:14:09,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10464 to 5283. [2022-01-18 01:14:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5282 states have (on average 2.618326391518364) internal successors, (13830), 5282 states have internal predecessors, (13830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 13830 transitions. [2022-01-18 01:14:09,689 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 13830 transitions. Word has length 135 [2022-01-18 01:14:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:09,689 INFO L470 AbstractCegarLoop]: Abstraction has 5283 states and 13830 transitions. [2022-01-18 01:14:09,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 13830 transitions. [2022-01-18 01:14:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:09,693 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:09,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:09,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292 [2022-01-18 01:14:09,694 INFO L402 AbstractCegarLoop]: === Iteration 294 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:09,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:09,694 INFO L85 PathProgramCache]: Analyzing trace with hash -411483453, now seen corresponding path program 243 times [2022-01-18 01:14:09,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:09,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025513546] [2022-01-18 01:14:09,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:09,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:10,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:10,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025513546] [2022-01-18 01:14:10,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025513546] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:10,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:10,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:10,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115455582] [2022-01-18 01:14:10,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:10,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:10,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:10,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:10,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:10,042 INFO L87 Difference]: Start difference. First operand 5283 states and 13830 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:12,867 INFO L93 Difference]: Finished difference Result 10695 states and 27933 transitions. [2022-01-18 01:14:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-18 01:14:12,867 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:12,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:12,877 INFO L225 Difference]: With dead ends: 10695 [2022-01-18 01:14:12,877 INFO L226 Difference]: Without dead ends: 10305 [2022-01-18 01:14:12,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1255, Invalid=4001, Unknown=0, NotChecked=0, Total=5256 [2022-01-18 01:14:12,878 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1309 mSDsluCounter, 6997 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 7218 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:12,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1309 Valid, 7218 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:12,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10305 states. [2022-01-18 01:14:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10305 to 5295. [2022-01-18 01:14:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 5294 states have (on average 2.6163581412920287) internal successors, (13851), 5294 states have internal predecessors, (13851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 13851 transitions. [2022-01-18 01:14:12,945 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 13851 transitions. Word has length 135 [2022-01-18 01:14:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:12,945 INFO L470 AbstractCegarLoop]: Abstraction has 5295 states and 13851 transitions. [2022-01-18 01:14:12,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 13851 transitions. [2022-01-18 01:14:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:12,949 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:12,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:12,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293 [2022-01-18 01:14:12,950 INFO L402 AbstractCegarLoop]: === Iteration 295 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:12,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:12,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1556579657, now seen corresponding path program 244 times [2022-01-18 01:14:12,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:12,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805034152] [2022-01-18 01:14:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:12,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:13,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:13,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805034152] [2022-01-18 01:14:13,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805034152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:13,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:13,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:13,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432381181] [2022-01-18 01:14:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:13,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:13,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:13,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:13,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:13,316 INFO L87 Difference]: Start difference. First operand 5295 states and 13851 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:15,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:15,799 INFO L93 Difference]: Finished difference Result 10556 states and 27570 transitions. [2022-01-18 01:14:15,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:14:15,800 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:15,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:15,813 INFO L225 Difference]: With dead ends: 10556 [2022-01-18 01:14:15,813 INFO L226 Difference]: Without dead ends: 10259 [2022-01-18 01:14:15,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1037, Invalid=3385, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:14:15,814 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1236 mSDsluCounter, 7260 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:15,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1236 Valid, 7472 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:15,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10259 states. [2022-01-18 01:14:15,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10259 to 5299. [2022-01-18 01:14:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 5298 states have (on average 2.6157040392600983) internal successors, (13858), 5298 states have internal predecessors, (13858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 13858 transitions. [2022-01-18 01:14:15,889 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 13858 transitions. Word has length 135 [2022-01-18 01:14:15,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:15,889 INFO L470 AbstractCegarLoop]: Abstraction has 5299 states and 13858 transitions. [2022-01-18 01:14:15,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 13858 transitions. [2022-01-18 01:14:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:15,894 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:15,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:15,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2022-01-18 01:14:15,894 INFO L402 AbstractCegarLoop]: === Iteration 296 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:15,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:15,894 INFO L85 PathProgramCache]: Analyzing trace with hash 321809859, now seen corresponding path program 245 times [2022-01-18 01:14:15,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:15,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357417560] [2022-01-18 01:14:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:15,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:16,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:16,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357417560] [2022-01-18 01:14:16,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357417560] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:16,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:16,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:16,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178908213] [2022-01-18 01:14:16,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:16,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:16,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:16,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:16,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:16,230 INFO L87 Difference]: Start difference. First operand 5299 states and 13858 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:18,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:18,363 INFO L93 Difference]: Finished difference Result 10464 states and 27338 transitions. [2022-01-18 01:14:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:14:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:18,373 INFO L225 Difference]: With dead ends: 10464 [2022-01-18 01:14:18,374 INFO L226 Difference]: Without dead ends: 10198 [2022-01-18 01:14:18,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=853, Invalid=2807, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:14:18,374 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 1167 mSDsluCounter, 7130 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:18,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 7347 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:18,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10198 states. [2022-01-18 01:14:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10198 to 5303. [2022-01-18 01:14:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 5302 states have (on average 2.6150509241795548) internal successors, (13865), 5302 states have internal predecessors, (13865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 13865 transitions. [2022-01-18 01:14:18,441 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 13865 transitions. Word has length 135 [2022-01-18 01:14:18,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:18,441 INFO L470 AbstractCegarLoop]: Abstraction has 5303 states and 13865 transitions. [2022-01-18 01:14:18,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 13865 transitions. [2022-01-18 01:14:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:18,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:18,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:18,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295 [2022-01-18 01:14:18,446 INFO L402 AbstractCegarLoop]: === Iteration 297 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:18,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1847038613, now seen corresponding path program 246 times [2022-01-18 01:14:18,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:18,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835362092] [2022-01-18 01:14:18,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:18,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:18,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:18,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835362092] [2022-01-18 01:14:18,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835362092] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:18,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:18,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:18,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948589079] [2022-01-18 01:14:18,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:18,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:18,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:18,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:18,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:18,811 INFO L87 Difference]: Start difference. First operand 5303 states and 13865 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:20,762 INFO L93 Difference]: Finished difference Result 10306 states and 26928 transitions. [2022-01-18 01:14:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:14:20,762 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:20,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:20,774 INFO L225 Difference]: With dead ends: 10306 [2022-01-18 01:14:20,775 INFO L226 Difference]: Without dead ends: 9947 [2022-01-18 01:14:20,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=807, Invalid=2499, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 01:14:20,775 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 1110 mSDsluCounter, 6271 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 6512 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:20,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1110 Valid, 6512 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:14:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9947 states. [2022-01-18 01:14:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9947 to 5207. [2022-01-18 01:14:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5207 states, 5206 states have (on average 2.630234344986554) internal successors, (13693), 5206 states have internal predecessors, (13693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 5207 states and 13693 transitions. [2022-01-18 01:14:20,850 INFO L78 Accepts]: Start accepts. Automaton has 5207 states and 13693 transitions. Word has length 135 [2022-01-18 01:14:20,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:20,851 INFO L470 AbstractCegarLoop]: Abstraction has 5207 states and 13693 transitions. [2022-01-18 01:14:20,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5207 states and 13693 transitions. [2022-01-18 01:14:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:20,855 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:20,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:20,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296 [2022-01-18 01:14:20,855 INFO L402 AbstractCegarLoop]: === Iteration 298 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:20,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:20,855 INFO L85 PathProgramCache]: Analyzing trace with hash -687590931, now seen corresponding path program 247 times [2022-01-18 01:14:20,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:20,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79698038] [2022-01-18 01:14:20,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:20,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:21,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:21,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:21,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79698038] [2022-01-18 01:14:21,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79698038] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:21,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:21,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:21,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155707266] [2022-01-18 01:14:21,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:21,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:21,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:21,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:21,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:21,217 INFO L87 Difference]: Start difference. First operand 5207 states and 13693 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:23,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:23,902 INFO L93 Difference]: Finished difference Result 10238 states and 26829 transitions. [2022-01-18 01:14:23,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-18 01:14:23,902 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:23,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:23,912 INFO L225 Difference]: With dead ends: 10238 [2022-01-18 01:14:23,912 INFO L226 Difference]: Without dead ends: 9863 [2022-01-18 01:14:23,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1166, Invalid=3664, Unknown=0, NotChecked=0, Total=4830 [2022-01-18 01:14:23,913 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 1123 mSDsluCounter, 7668 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 7936 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:23,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1123 Valid, 7936 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:23,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9863 states. [2022-01-18 01:14:23,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9863 to 5447. [2022-01-18 01:14:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.633308850532501) internal successors, (14341), 5446 states have internal predecessors, (14341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:23,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14341 transitions. [2022-01-18 01:14:23,981 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14341 transitions. Word has length 135 [2022-01-18 01:14:23,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:23,981 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14341 transitions. [2022-01-18 01:14:23,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14341 transitions. [2022-01-18 01:14:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:23,985 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:23,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:23,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297 [2022-01-18 01:14:23,986 INFO L402 AbstractCegarLoop]: === Iteration 299 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:23,986 INFO L85 PathProgramCache]: Analyzing trace with hash -2089263093, now seen corresponding path program 248 times [2022-01-18 01:14:23,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:23,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573237770] [2022-01-18 01:14:23,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:23,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:24,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:24,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573237770] [2022-01-18 01:14:24,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573237770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:24,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:24,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:24,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146268833] [2022-01-18 01:14:24,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:24,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:24,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:24,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:24,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:24,335 INFO L87 Difference]: Start difference. First operand 5447 states and 14341 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:26,774 INFO L93 Difference]: Finished difference Result 10286 states and 26945 transitions. [2022-01-18 01:14:26,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-18 01:14:26,774 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:26,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:26,787 INFO L225 Difference]: With dead ends: 10286 [2022-01-18 01:14:26,787 INFO L226 Difference]: Without dead ends: 9995 [2022-01-18 01:14:26,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1032, Invalid=3390, Unknown=0, NotChecked=0, Total=4422 [2022-01-18 01:14:26,788 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1126 mSDsluCounter, 7187 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 7455 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:26,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 7455 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9995 states. [2022-01-18 01:14:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9995 to 5451. [2022-01-18 01:14:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 2.6326605504587155) internal successors, (14348), 5450 states have internal predecessors, (14348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 14348 transitions. [2022-01-18 01:14:26,865 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 14348 transitions. Word has length 135 [2022-01-18 01:14:26,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:26,865 INFO L470 AbstractCegarLoop]: Abstraction has 5451 states and 14348 transitions. [2022-01-18 01:14:26,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 14348 transitions. [2022-01-18 01:14:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:26,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:26,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:26,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable298 [2022-01-18 01:14:26,870 INFO L402 AbstractCegarLoop]: === Iteration 300 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1913998175, now seen corresponding path program 249 times [2022-01-18 01:14:26,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:26,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409154832] [2022-01-18 01:14:26,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:26,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:27,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:27,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409154832] [2022-01-18 01:14:27,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409154832] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:27,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:27,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:27,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794632301] [2022-01-18 01:14:27,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:27,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:27,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:27,254 INFO L87 Difference]: Start difference. First operand 5451 states and 14348 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:29,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:29,144 INFO L93 Difference]: Finished difference Result 10172 states and 26639 transitions. [2022-01-18 01:14:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:14:29,145 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:29,157 INFO L225 Difference]: With dead ends: 10172 [2022-01-18 01:14:29,157 INFO L226 Difference]: Without dead ends: 9906 [2022-01-18 01:14:29,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=773, Invalid=2649, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 01:14:29,158 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 1038 mSDsluCounter, 6839 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 7096 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:29,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1038 Valid, 7096 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:29,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9906 states. [2022-01-18 01:14:29,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9906 to 5455. [2022-01-18 01:14:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5455 states, 5454 states have (on average 2.632013201320132) internal successors, (14355), 5454 states have internal predecessors, (14355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 14355 transitions. [2022-01-18 01:14:29,233 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 14355 transitions. Word has length 135 [2022-01-18 01:14:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:29,233 INFO L470 AbstractCegarLoop]: Abstraction has 5455 states and 14355 transitions. [2022-01-18 01:14:29,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 14355 transitions. [2022-01-18 01:14:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:29,238 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:29,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:29,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable299 [2022-01-18 01:14:29,238 INFO L402 AbstractCegarLoop]: === Iteration 301 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:29,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:29,238 INFO L85 PathProgramCache]: Analyzing trace with hash -254850297, now seen corresponding path program 250 times [2022-01-18 01:14:29,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:29,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272845777] [2022-01-18 01:14:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:29,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:29,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:29,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272845777] [2022-01-18 01:14:29,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272845777] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:29,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:29,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:29,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910937976] [2022-01-18 01:14:29,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:29,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:29,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:29,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:29,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:29,588 INFO L87 Difference]: Start difference. First operand 5455 states and 14355 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:31,718 INFO L93 Difference]: Finished difference Result 10134 states and 26539 transitions. [2022-01-18 01:14:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:14:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:31,731 INFO L225 Difference]: With dead ends: 10134 [2022-01-18 01:14:31,732 INFO L226 Difference]: Without dead ends: 9851 [2022-01-18 01:14:31,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=832, Invalid=2828, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:14:31,732 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1015 mSDsluCounter, 7549 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 7811 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:31,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1015 Valid, 7811 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:31,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9851 states. [2022-01-18 01:14:31,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9851 to 5435. [2022-01-18 01:14:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5435 states, 5434 states have (on average 2.633051159366949) internal successors, (14308), 5434 states have internal predecessors, (14308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 5435 states and 14308 transitions. [2022-01-18 01:14:31,816 INFO L78 Accepts]: Start accepts. Automaton has 5435 states and 14308 transitions. Word has length 135 [2022-01-18 01:14:31,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:31,816 INFO L470 AbstractCegarLoop]: Abstraction has 5435 states and 14308 transitions. [2022-01-18 01:14:31,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 14308 transitions. [2022-01-18 01:14:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:31,821 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:31,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:31,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable300 [2022-01-18 01:14:31,822 INFO L402 AbstractCegarLoop]: === Iteration 302 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash -983817491, now seen corresponding path program 251 times [2022-01-18 01:14:31,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:31,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150017096] [2022-01-18 01:14:31,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:31,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:32,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:32,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150017096] [2022-01-18 01:14:32,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150017096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:32,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:32,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:32,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443867370] [2022-01-18 01:14:32,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:32,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:32,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:32,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:32,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:32,180 INFO L87 Difference]: Start difference. First operand 5435 states and 14308 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:34,465 INFO L93 Difference]: Finished difference Result 10294 states and 26967 transitions. [2022-01-18 01:14:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-18 01:14:34,465 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:34,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:34,478 INFO L225 Difference]: With dead ends: 10294 [2022-01-18 01:14:34,478 INFO L226 Difference]: Without dead ends: 10003 [2022-01-18 01:14:34,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1010, Invalid=3280, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:14:34,479 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 1141 mSDsluCounter, 6769 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 7041 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:34,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1141 Valid, 7041 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:34,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10003 states. [2022-01-18 01:14:34,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10003 to 5443. [2022-01-18 01:14:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5442 states have (on average 2.6324880558618156) internal successors, (14326), 5442 states have internal predecessors, (14326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 14326 transitions. [2022-01-18 01:14:34,554 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 14326 transitions. Word has length 135 [2022-01-18 01:14:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:34,555 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 14326 transitions. [2022-01-18 01:14:34,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 14326 transitions. [2022-01-18 01:14:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:34,559 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:34,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:34,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable301 [2022-01-18 01:14:34,559 INFO L402 AbstractCegarLoop]: === Iteration 303 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:34,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1275523519, now seen corresponding path program 252 times [2022-01-18 01:14:34,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:34,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686883906] [2022-01-18 01:14:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:34,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:34,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:34,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686883906] [2022-01-18 01:14:34,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686883906] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:34,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:34,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:34,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319489154] [2022-01-18 01:14:34,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:34,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:34,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:34,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:34,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:34,911 INFO L87 Difference]: Start difference. First operand 5443 states and 14326 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:36,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:36,937 INFO L93 Difference]: Finished difference Result 10244 states and 26837 transitions. [2022-01-18 01:14:36,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:14:36,938 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:36,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:36,950 INFO L225 Difference]: With dead ends: 10244 [2022-01-18 01:14:36,950 INFO L226 Difference]: Without dead ends: 9978 [2022-01-18 01:14:36,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=799, Invalid=2741, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 01:14:36,951 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 1069 mSDsluCounter, 6812 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:36,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1069 Valid, 7072 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:36,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2022-01-18 01:14:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 5447. [2022-01-18 01:14:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.631839882482556) internal successors, (14333), 5446 states have internal predecessors, (14333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14333 transitions. [2022-01-18 01:14:37,027 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14333 transitions. Word has length 135 [2022-01-18 01:14:37,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:37,028 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14333 transitions. [2022-01-18 01:14:37,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14333 transitions. [2022-01-18 01:14:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:37,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:37,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:37,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302 [2022-01-18 01:14:37,033 INFO L402 AbstractCegarLoop]: === Iteration 304 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:37,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:37,033 INFO L85 PathProgramCache]: Analyzing trace with hash 850595305, now seen corresponding path program 253 times [2022-01-18 01:14:37,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:37,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665311296] [2022-01-18 01:14:37,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:37,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:37,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:37,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665311296] [2022-01-18 01:14:37,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665311296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:37,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:37,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:37,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488022012] [2022-01-18 01:14:37,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:37,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:37,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:37,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:37,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:37,405 INFO L87 Difference]: Start difference. First operand 5447 states and 14333 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:39,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:39,532 INFO L93 Difference]: Finished difference Result 10206 states and 26737 transitions. [2022-01-18 01:14:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:14:39,532 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:39,545 INFO L225 Difference]: With dead ends: 10206 [2022-01-18 01:14:39,545 INFO L226 Difference]: Without dead ends: 9935 [2022-01-18 01:14:39,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=837, Invalid=2823, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:14:39,546 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 1034 mSDsluCounter, 7136 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 7403 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:39,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1034 Valid, 7403 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:39,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9935 states. [2022-01-18 01:14:39,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9935 to 5439. [2022-01-18 01:14:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5438 states have (on average 2.632401618242001) internal successors, (14315), 5438 states have internal predecessors, (14315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 14315 transitions. [2022-01-18 01:14:39,626 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 14315 transitions. Word has length 135 [2022-01-18 01:14:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:39,627 INFO L470 AbstractCegarLoop]: Abstraction has 5439 states and 14315 transitions. [2022-01-18 01:14:39,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 14315 transitions. [2022-01-18 01:14:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:39,632 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:39,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:39,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable303 [2022-01-18 01:14:39,632 INFO L402 AbstractCegarLoop]: === Iteration 305 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:39,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1223375471, now seen corresponding path program 254 times [2022-01-18 01:14:39,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:39,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698247965] [2022-01-18 01:14:39,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:39,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:39,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:39,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698247965] [2022-01-18 01:14:39,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698247965] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:39,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:39,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:39,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439449181] [2022-01-18 01:14:39,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:39,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:39,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:39,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:39,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:39,989 INFO L87 Difference]: Start difference. First operand 5439 states and 14315 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:42,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:42,301 INFO L93 Difference]: Finished difference Result 10296 states and 26955 transitions. [2022-01-18 01:14:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-18 01:14:42,301 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:42,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:42,315 INFO L225 Difference]: With dead ends: 10296 [2022-01-18 01:14:42,315 INFO L226 Difference]: Without dead ends: 9999 [2022-01-18 01:14:42,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=959, Invalid=3201, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 01:14:42,316 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 1113 mSDsluCounter, 7286 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 7526 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:42,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1113 Valid, 7526 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:42,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9999 states. [2022-01-18 01:14:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9999 to 5443. [2022-01-18 01:14:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5443 states, 5442 states have (on average 2.631753031973539) internal successors, (14322), 5442 states have internal predecessors, (14322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 14322 transitions. [2022-01-18 01:14:42,416 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 14322 transitions. Word has length 135 [2022-01-18 01:14:42,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:42,416 INFO L470 AbstractCegarLoop]: Abstraction has 5443 states and 14322 transitions. [2022-01-18 01:14:42,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 14322 transitions. [2022-01-18 01:14:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:42,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:42,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:42,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable304 [2022-01-18 01:14:42,421 INFO L402 AbstractCegarLoop]: === Iteration 306 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:42,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:42,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1193202309, now seen corresponding path program 255 times [2022-01-18 01:14:42,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:42,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382839678] [2022-01-18 01:14:42,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:42,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:42,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:42,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382839678] [2022-01-18 01:14:42,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382839678] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:42,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:42,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:42,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458419178] [2022-01-18 01:14:42,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:42,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:42,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:42,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:42,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:42,770 INFO L87 Difference]: Start difference. First operand 5443 states and 14322 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:14:44,847 INFO L93 Difference]: Finished difference Result 10196 states and 26701 transitions. [2022-01-18 01:14:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:14:44,847 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-18 01:14:44,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:14:44,860 INFO L225 Difference]: With dead ends: 10196 [2022-01-18 01:14:44,860 INFO L226 Difference]: Without dead ends: 9930 [2022-01-18 01:14:44,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=829, Invalid=2831, Unknown=0, NotChecked=0, Total=3660 [2022-01-18 01:14:44,861 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 1064 mSDsluCounter, 6810 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 7070 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:44,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1064 Valid, 7070 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:14:44,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9930 states. [2022-01-18 01:14:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9930 to 5447. [2022-01-18 01:14:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 5446 states have (on average 2.6311053984575836) internal successors, (14329), 5446 states have internal predecessors, (14329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 14329 transitions. [2022-01-18 01:14:44,936 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 14329 transitions. Word has length 135 [2022-01-18 01:14:44,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:14:44,936 INFO L470 AbstractCegarLoop]: Abstraction has 5447 states and 14329 transitions. [2022-01-18 01:14:44,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:14:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 14329 transitions. [2022-01-18 01:14:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 01:14:44,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:14:44,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:14:44,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable305 [2022-01-18 01:14:44,943 INFO L402 AbstractCegarLoop]: === Iteration 307 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:14:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:14:44,943 INFO L85 PathProgramCache]: Analyzing trace with hash 932916515, now seen corresponding path program 256 times [2022-01-18 01:14:44,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:14:44,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518412393] [2022-01-18 01:14:44,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:14:44,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:14:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:14:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:14:45,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:14:45,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518412393] [2022-01-18 01:14:45,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518412393] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:14:45,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:14:45,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 01:14:45,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626554228] [2022-01-18 01:14:45,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:14:45,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-18 01:14:45,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:14:45,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-18 01:14:45,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-01-18 01:14:45,304 INFO L87 Difference]: Start difference. First operand 5447 states and 14329 transitions. Second operand has 26 states, 26 states have (on average 5.1923076923076925) internal successors, (135), 26 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2022-01-18 01:14:46,841 WARN L244 SmtUtils]: Removed 9 from assertion stack [2022-01-18 01:14:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:14:46,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=574, Invalid=1876, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 01:14:46,842 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 594 mSDsluCounter, 6576 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 6857 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 01:14:46,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [594 Valid, 6857 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 01:14:46,842 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 01:14:46,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306 [2022-01-18 01:14:46,843 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (5447states) and FLOYD_HOARE automaton (currently 27 states, 26 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 10ms.. [2022-01-18 01:14:46,844 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 01:14:46,844 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 01:14:46,846 INFO L732 BasicCegarLoop]: Path program histogram: [256, 20, 20, 7, 1, 1, 1, 1] [2022-01-18 01:14:46,847 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 01:14:46,847 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 01:14:46,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:14:46 BasicIcfg [2022-01-18 01:14:46,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 01:14:46,848 INFO L158 Benchmark]: Toolchain (without parser) took 730443.53ms. Allocated memory was 385.9MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 332.0MB in the beginning and 667.3MB in the end (delta: -335.3MB). Peak memory consumption was 776.5MB. Max. memory is 16.0GB. [2022-01-18 01:14:46,848 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 385.9MB. Free memory was 348.4MB in the beginning and 348.3MB in the end (delta: 68.9kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:14:46,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.19ms. Allocated memory was 385.9MB in the beginning and 568.3MB in the end (delta: 182.5MB). Free memory was 331.8MB in the beginning and 541.5MB in the end (delta: -209.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.0GB. [2022-01-18 01:14:46,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.20ms. Allocated memory is still 568.3MB. Free memory was 541.5MB in the beginning and 539.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:14:46,848 INFO L158 Benchmark]: Boogie Preprocessor took 17.34ms. Allocated memory is still 568.3MB. Free memory was 539.4MB in the beginning and 538.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:14:46,848 INFO L158 Benchmark]: RCFGBuilder took 332.23ms. Allocated memory is still 568.3MB. Free memory was 538.4MB in the beginning and 520.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 01:14:46,848 INFO L158 Benchmark]: TraceAbstraction took 729787.35ms. Allocated memory was 568.3MB in the beginning and 1.5GB in the end (delta: 926.9MB). Free memory was 519.5MB in the beginning and 667.3MB in the end (delta: -147.8MB). Peak memory consumption was 779.1MB. Max. memory is 16.0GB. [2022-01-18 01:14:46,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2022-01-18 01:14:46,850 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 385.9MB. Free memory was 348.4MB in the beginning and 348.3MB in the end (delta: 68.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 269.19ms. Allocated memory was 385.9MB in the beginning and 568.3MB in the end (delta: 182.5MB). Free memory was 331.8MB in the beginning and 541.5MB in the end (delta: -209.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.20ms. Allocated memory is still 568.3MB. Free memory was 541.5MB in the beginning and 539.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 17.34ms. Allocated memory is still 568.3MB. Free memory was 539.4MB in the beginning and 538.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 332.23ms. Allocated memory is still 568.3MB. Free memory was 538.4MB in the beginning and 520.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 729787.35ms. Allocated memory was 568.3MB in the beginning and 1.5GB in the end (delta: 926.9MB). Free memory was 519.5MB in the beginning and 667.3MB in the end (delta: -147.8MB). Peak memory consumption was 779.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (5447states) and FLOYD_HOARE automaton (currently 27 states, 26 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 10ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (5447states) and FLOYD_HOARE automaton (currently 27 states, 26 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 10ms.. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (5447states) and FLOYD_HOARE automaton (currently 27 states, 26 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 10ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 248 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 729.7s, OverallIterations: 307, TraceHistogramMax: 1, PathProgramHistogramMax: 256, EmptinessCheckTime: 1.7s, AutomataDifference: 605.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283461 SdHoareTripleChecker+Valid, 130.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283461 mSDsluCounter, 1961565 SdHoareTripleChecker+Invalid, 109.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1887244 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 364552 IncrementalHoareTripleChecker+Invalid, 364587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 113510 mSDtfsCounter, 364552 mSolverCounterSat, 2.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25928 GetRequests, 8826 SyntacticMatches, 0 SemanticMatches, 17101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136337 ImplicationChecksByTransitivity, 513.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7153occurred in iteration=0, InterpolantAutomatonStates: 11611, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 25.0s AutomataMinimizationTime, 306 MinimizatonAttempts, 1248735 StatesRemovedByMinimization, 304 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 93.9s InterpolantComputationTime, 39201 NumberOfCodeBlocks, 39201 NumberOfCodeBlocksAsserted, 307 NumberOfCheckSat, 38894 ConstructedInterpolants, 0 QuantifiedInterpolants, 299404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 307 InterpolantComputations, 307 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown