/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-name-comparator-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 00:56:45,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 00:56:45,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 00:56:45,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 00:56:45,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 00:56:45,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 00:56:45,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 00:56:45,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 00:56:45,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 00:56:45,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 00:56:45,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 00:56:45,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 00:56:45,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 00:56:45,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 00:56:45,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 00:56:45,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 00:56:45,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 00:56:45,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 00:56:45,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 00:56:45,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 00:56:45,875 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 00:56:45,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 00:56:45,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 00:56:45,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 00:56:45,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 00:56:45,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 00:56:45,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 00:56:45,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 00:56:45,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 00:56:45,902 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 00:56:45,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 00:56:45,903 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 00:56:45,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 00:56:45,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 00:56:45,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 00:56:45,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 00:56:45,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 00:56:45,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 00:56:45,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:56:45,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 00:56:45,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 00:56:45,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 00:56:46,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 00:56:46,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 00:56:46,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 00:56:46,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 00:56:46,104 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 00:56:46,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-01-18 00:56:46,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304d1071f/8aefe5220de94c98a3078a3e4dae3d2b/FLAGfe6f98888 [2022-01-18 00:56:46,490 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 00:56:46,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-01-18 00:56:46,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304d1071f/8aefe5220de94c98a3078a3e4dae3d2b/FLAGfe6f98888 [2022-01-18 00:56:46,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304d1071f/8aefe5220de94c98a3078a3e4dae3d2b [2022-01-18 00:56:46,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 00:56:46,943 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 00:56:46,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 00:56:46,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 00:56:46,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 00:56:46,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:56:46" (1/1) ... [2022-01-18 00:56:46,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed51586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:46, skipping insertion in model container [2022-01-18 00:56:46,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:56:46" (1/1) ... [2022-01-18 00:56:46,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 00:56:46,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 00:56:47,140 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-name-comparator-symm.wvr.c[3856,3869] [2022-01-18 00:56:47,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:56:47,154 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 00:56:47,186 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-name-comparator-symm.wvr.c[3856,3869] [2022-01-18 00:56:47,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:56:47,202 INFO L208 MainTranslator]: Completed translation [2022-01-18 00:56:47,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47 WrapperNode [2022-01-18 00:56:47,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 00:56:47,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 00:56:47,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 00:56:47,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 00:56:47,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,253 INFO L137 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 278 [2022-01-18 00:56:47,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 00:56:47,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 00:56:47,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 00:56:47,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 00:56:47,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 00:56:47,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 00:56:47,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 00:56:47,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 00:56:47,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (1/1) ... [2022-01-18 00:56:47,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:56:47,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:56:47,315 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 00:56:47,325 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 00:56:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 00:56:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 00:56:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 00:56:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 00:56:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 00:56:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 00:56:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 00:56:47,350 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 00:56:47,451 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 00:56:47,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 00:56:47,729 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 00:56:47,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 00:56:47,737 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-18 00:56:47,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:56:47 BoogieIcfgContainer [2022-01-18 00:56:47,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 00:56:47,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 00:56:47,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 00:56:47,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 00:56:47,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:56:46" (1/3) ... [2022-01-18 00:56:47,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21dfb949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:56:47, skipping insertion in model container [2022-01-18 00:56:47,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:56:47" (2/3) ... [2022-01-18 00:56:47,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21dfb949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:56:47, skipping insertion in model container [2022-01-18 00:56:47,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:56:47" (3/3) ... [2022-01-18 00:56:47,743 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2022-01-18 00:56:47,747 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 00:56:47,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 00:56:47,747 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 00:56:47,747 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 00:56:47,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,815 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:56:47,839 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 00:56:47,873 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:56:47,879 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 00:56:47,880 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 00:56:47,894 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 325 places, 353 transitions, 722 flow [2022-01-18 00:56:48,682 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:48,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-01-18 00:56:48,990 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:48,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:56:48,991 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:48,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1341971264, now seen corresponding path program 1 times [2022-01-18 00:56:49,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:49,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82956436] [2022-01-18 00:56:49,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:49,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:49,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:49,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82956436] [2022-01-18 00:56:49,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82956436] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:49,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:49,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:56:49,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171990734] [2022-01-18 00:56:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:49,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:56:49,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:49,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:56:49,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:56:49,316 INFO L87 Difference]: Start difference. First operand has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 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 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:49,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:49,657 INFO L93 Difference]: Finished difference Result 31889 states and 91885 transitions. [2022-01-18 00:56:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:56:49,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2022-01-18 00:56:49,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:49,862 INFO L225 Difference]: With dead ends: 31889 [2022-01-18 00:56:49,863 INFO L226 Difference]: Without dead ends: 29098 [2022-01-18 00:56:49,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:56:49,866 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:49,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:56:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29098 states. [2022-01-18 00:56:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29098 to 29098. [2022-01-18 00:56:50,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29098 states, 29097 states have (on average 2.8875141767192494) internal successors, (84018), 29097 states have internal predecessors, (84018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29098 states to 29098 states and 84018 transitions. [2022-01-18 00:56:50,919 INFO L78 Accepts]: Start accepts. Automaton has 29098 states and 84018 transitions. Word has length 164 [2022-01-18 00:56:50,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:50,920 INFO L470 AbstractCegarLoop]: Abstraction has 29098 states and 84018 transitions. [2022-01-18 00:56:50,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29098 states and 84018 transitions. [2022-01-18 00:56:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-18 00:56:51,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:51,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:56:51,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 00:56:51,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:51,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:51,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2093121947, now seen corresponding path program 1 times [2022-01-18 00:56:51,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:51,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475792632] [2022-01-18 00:56:51,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:51,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:51,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:51,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475792632] [2022-01-18 00:56:51,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475792632] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:51,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:51,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 00:56:51,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532807811] [2022-01-18 00:56:51,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:51,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 00:56:51,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:51,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 00:56:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:56:51,210 INFO L87 Difference]: Start difference. First operand 29098 states and 84018 transitions. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:51,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:51,600 INFO L93 Difference]: Finished difference Result 50235 states and 144398 transitions. [2022-01-18 00:56:51,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:56:51,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-01-18 00:56:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:51,723 INFO L225 Difference]: With dead ends: 50235 [2022-01-18 00:56:51,723 INFO L226 Difference]: Without dead ends: 50235 [2022-01-18 00:56:51,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:56:51,724 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 423 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:51,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 2043 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:56:51,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50235 states. [2022-01-18 00:56:52,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50235 to 37219. [2022-01-18 00:56:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37219 states, 37218 states have (on average 2.885781073674029) internal successors, (107403), 37218 states have internal predecessors, (107403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37219 states to 37219 states and 107403 transitions. [2022-01-18 00:56:52,958 INFO L78 Accepts]: Start accepts. Automaton has 37219 states and 107403 transitions. Word has length 166 [2022-01-18 00:56:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:52,959 INFO L470 AbstractCegarLoop]: Abstraction has 37219 states and 107403 transitions. [2022-01-18 00:56:52,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 37219 states and 107403 transitions. [2022-01-18 00:56:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-18 00:56:53,058 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:53,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:56:53,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 00:56:53,058 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:53,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:53,059 INFO L85 PathProgramCache]: Analyzing trace with hash -782458299, now seen corresponding path program 1 times [2022-01-18 00:56:53,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:53,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300597678] [2022-01-18 00:56:53,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:53,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:56:53,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:53,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300597678] [2022-01-18 00:56:53,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300597678] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:53,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:53,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:56:53,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054929997] [2022-01-18 00:56:53,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:53,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:56:53,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:53,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:56:53,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:56:53,099 INFO L87 Difference]: Start difference. First operand 37219 states and 107403 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:53,391 INFO L93 Difference]: Finished difference Result 69921 states and 200064 transitions. [2022-01-18 00:56:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:56:53,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-01-18 00:56:53,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:53,931 INFO L225 Difference]: With dead ends: 69921 [2022-01-18 00:56:53,931 INFO L226 Difference]: Without dead ends: 69921 [2022-01-18 00:56:53,932 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 00:56:53,932 INFO L933 BasicCegarLoop]: 480 mSDtfsCounter, 212 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:53,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 759 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:56:54,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69921 states. [2022-01-18 00:56:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69921 to 42147. [2022-01-18 00:56:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42147 states, 42146 states have (on average 2.8571394675651307) internal successors, (120417), 42146 states have internal predecessors, (120417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42147 states to 42147 states and 120417 transitions. [2022-01-18 00:56:55,097 INFO L78 Accepts]: Start accepts. Automaton has 42147 states and 120417 transitions. Word has length 166 [2022-01-18 00:56:55,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:55,097 INFO L470 AbstractCegarLoop]: Abstraction has 42147 states and 120417 transitions. [2022-01-18 00:56:55,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 42147 states and 120417 transitions. [2022-01-18 00:56:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-18 00:56:55,183 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:55,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:56:55,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 00:56:55,183 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:55,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:55,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1738302227, now seen corresponding path program 1 times [2022-01-18 00:56:55,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:55,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380129150] [2022-01-18 00:56:55,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:55,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:55,229 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 00:56:55,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:55,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380129150] [2022-01-18 00:56:55,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380129150] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:55,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:55,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 00:56:55,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857132442] [2022-01-18 00:56:55,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:55,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 00:56:55,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:55,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 00:56:55,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 00:56:55,230 INFO L87 Difference]: Start difference. First operand 42147 states and 120417 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:55,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:55,485 INFO L93 Difference]: Finished difference Result 60057 states and 171803 transitions. [2022-01-18 00:56:55,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-18 00:56:55,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-01-18 00:56:55,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:55,624 INFO L225 Difference]: With dead ends: 60057 [2022-01-18 00:56:55,624 INFO L226 Difference]: Without dead ends: 60057 [2022-01-18 00:56:55,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:56:55,625 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 313 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:55,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 1249 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:56:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60057 states. [2022-01-18 00:56:56,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60057 to 46821. [2022-01-18 00:56:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46821 states, 46820 states have (on average 2.860209312259718) internal successors, (133915), 46820 states have internal predecessors, (133915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46821 states to 46821 states and 133915 transitions. [2022-01-18 00:56:56,989 INFO L78 Accepts]: Start accepts. Automaton has 46821 states and 133915 transitions. Word has length 166 [2022-01-18 00:56:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:56,990 INFO L470 AbstractCegarLoop]: Abstraction has 46821 states and 133915 transitions. [2022-01-18 00:56:56,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 46821 states and 133915 transitions. [2022-01-18 00:56:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-18 00:56:57,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:57,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:56:57,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 00:56:57,055 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1700083673, now seen corresponding path program 1 times [2022-01-18 00:56:57,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:57,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216408343] [2022-01-18 00:56:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:57,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:57,123 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 00:56:57,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:57,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216408343] [2022-01-18 00:56:57,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216408343] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:57,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:57,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:56:57,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922179324] [2022-01-18 00:56:57,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:57,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:56:57,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:57,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:56:57,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:56:57,125 INFO L87 Difference]: Start difference. First operand 46821 states and 133915 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:57,405 INFO L93 Difference]: Finished difference Result 63929 states and 182049 transitions. [2022-01-18 00:56:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:56:57,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-01-18 00:56:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:57,548 INFO L225 Difference]: With dead ends: 63929 [2022-01-18 00:56:57,549 INFO L226 Difference]: Without dead ends: 63929 [2022-01-18 00:56:57,549 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 00:56:57,549 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 202 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:57,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 584 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:56:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63929 states. [2022-01-18 00:56:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63929 to 42952. [2022-01-18 00:56:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42952 states, 42951 states have (on average 2.8327396335358896) internal successors, (121669), 42951 states have internal predecessors, (121669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42952 states to 42952 states and 121669 transitions. [2022-01-18 00:56:58,542 INFO L78 Accepts]: Start accepts. Automaton has 42952 states and 121669 transitions. Word has length 166 [2022-01-18 00:56:58,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:56:58,542 INFO L470 AbstractCegarLoop]: Abstraction has 42952 states and 121669 transitions. [2022-01-18 00:56:58,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 42952 states and 121669 transitions. [2022-01-18 00:56:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-18 00:56:58,605 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:56:58,605 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:56:58,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 00:56:58,605 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:56:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:56:58,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1211819661, now seen corresponding path program 1 times [2022-01-18 00:56:58,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:56:58,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675897914] [2022-01-18 00:56:58,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:56:58,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:56:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:56:58,646 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 00:56:58,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:56:58,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675897914] [2022-01-18 00:56:58,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675897914] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:56:58,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:56:58,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 00:56:58,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861653267] [2022-01-18 00:56:58,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:56:58,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 00:56:58,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:56:58,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 00:56:58,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:56:58,647 INFO L87 Difference]: Start difference. First operand 42952 states and 121669 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:56:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:56:59,142 INFO L93 Difference]: Finished difference Result 64470 states and 182650 transitions. [2022-01-18 00:56:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:56:59,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2022-01-18 00:56:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:56:59,292 INFO L225 Difference]: With dead ends: 64470 [2022-01-18 00:56:59,292 INFO L226 Difference]: Without dead ends: 64470 [2022-01-18 00:56:59,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:56:59,293 INFO L933 BasicCegarLoop]: 583 mSDtfsCounter, 438 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:56:59,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 1920 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:56:59,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64470 states. [2022-01-18 00:57:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64470 to 49332. [2022-01-18 00:57:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49332 states, 49331 states have (on average 2.836086841945227) internal successors, (139907), 49331 states have internal predecessors, (139907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49332 states to 49332 states and 139907 transitions. [2022-01-18 00:57:00,490 INFO L78 Accepts]: Start accepts. Automaton has 49332 states and 139907 transitions. Word has length 168 [2022-01-18 00:57:00,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:00,490 INFO L470 AbstractCegarLoop]: Abstraction has 49332 states and 139907 transitions. [2022-01-18 00:57:00,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 49332 states and 139907 transitions. [2022-01-18 00:57:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-01-18 00:57:00,561 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:00,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:00,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 00:57:00,561 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:00,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:00,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1235692290, now seen corresponding path program 1 times [2022-01-18 00:57:00,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:00,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698861511] [2022-01-18 00:57:00,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:00,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:00,602 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 00:57:00,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:00,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698861511] [2022-01-18 00:57:00,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698861511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:00,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:00,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 00:57:00,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245178952] [2022-01-18 00:57:00,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:00,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 00:57:00,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:00,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 00:57:00,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:57:00,603 INFO L87 Difference]: Start difference. First operand 49332 states and 139907 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:00,811 INFO L93 Difference]: Finished difference Result 49338 states and 139913 transitions. [2022-01-18 00:57:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 00:57:00,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2022-01-18 00:57:00,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:00,915 INFO L225 Difference]: With dead ends: 49338 [2022-01-18 00:57:00,915 INFO L226 Difference]: Without dead ends: 49338 [2022-01-18 00:57:00,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:57:00,916 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 515 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:00,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 664 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:00,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49338 states. [2022-01-18 00:57:01,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49338 to 49333. [2022-01-18 00:57:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49333 states, 49332 states have (on average 2.8360496229627827) internal successors, (139908), 49332 states have internal predecessors, (139908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49333 states to 49333 states and 139908 transitions. [2022-01-18 00:57:02,006 INFO L78 Accepts]: Start accepts. Automaton has 49333 states and 139908 transitions. Word has length 170 [2022-01-18 00:57:02,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:02,006 INFO L470 AbstractCegarLoop]: Abstraction has 49333 states and 139908 transitions. [2022-01-18 00:57:02,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 49333 states and 139908 transitions. [2022-01-18 00:57:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-01-18 00:57:02,074 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:02,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:02,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 00:57:02,075 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:02,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:02,075 INFO L85 PathProgramCache]: Analyzing trace with hash 985344181, now seen corresponding path program 1 times [2022-01-18 00:57:02,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:02,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215387106] [2022-01-18 00:57:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:02,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:02,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:02,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215387106] [2022-01-18 00:57:02,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215387106] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:57:02,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822193827] [2022-01-18 00:57:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:02,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:57:02,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:57:02,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:57:02,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 00:57:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:02,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 00:57:02,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:57:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:02,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:57:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:57:03,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822193827] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:57:03,093 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:57:03,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-01-18 00:57:03,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992392420] [2022-01-18 00:57:03,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:57:03,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 00:57:03,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:03,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 00:57:03,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:57:03,094 INFO L87 Difference]: Start difference. First operand 49333 states and 139908 transitions. Second operand has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:03,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:03,377 INFO L93 Difference]: Finished difference Result 49347 states and 139922 transitions. [2022-01-18 00:57:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 00:57:03,378 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2022-01-18 00:57:03,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:03,483 INFO L225 Difference]: With dead ends: 49347 [2022-01-18 00:57:03,483 INFO L226 Difference]: Without dead ends: 49347 [2022-01-18 00:57:03,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2022-01-18 00:57:03,484 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 807 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:03,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 1328 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49347 states. [2022-01-18 00:57:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49347 to 49347. [2022-01-18 00:57:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49347 states, 49346 states have (on average 2.8355287156000486) internal successors, (139922), 49346 states have internal predecessors, (139922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49347 states to 49347 states and 139922 transitions. [2022-01-18 00:57:04,541 INFO L78 Accepts]: Start accepts. Automaton has 49347 states and 139922 transitions. Word has length 177 [2022-01-18 00:57:04,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:04,541 INFO L470 AbstractCegarLoop]: Abstraction has 49347 states and 139922 transitions. [2022-01-18 00:57:04,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 49347 states and 139922 transitions. [2022-01-18 00:57:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-18 00:57:04,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:04,619 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:04,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 00:57:04,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:57:04,835 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:04,835 INFO L85 PathProgramCache]: Analyzing trace with hash 936022165, now seen corresponding path program 2 times [2022-01-18 00:57:04,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:04,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258757931] [2022-01-18 00:57:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:04,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:04,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:04,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258757931] [2022-01-18 00:57:04,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258757931] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:04,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:04,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 00:57:04,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666474454] [2022-01-18 00:57:04,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:04,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 00:57:04,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:04,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 00:57:04,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:57:04,925 INFO L87 Difference]: Start difference. First operand 49347 states and 139922 transitions. Second operand has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:05,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:05,222 INFO L93 Difference]: Finished difference Result 49371 states and 139947 transitions. [2022-01-18 00:57:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 00:57:05,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-01-18 00:57:05,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:05,322 INFO L225 Difference]: With dead ends: 49371 [2022-01-18 00:57:05,323 INFO L226 Difference]: Without dead ends: 49140 [2022-01-18 00:57:05,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-01-18 00:57:05,323 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 42 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:05,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 1880 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:05,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49140 states. [2022-01-18 00:57:06,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49140 to 49129. [2022-01-18 00:57:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49129 states, 49128 states have (on average 2.8362440970525973) internal successors, (139339), 49128 states have internal predecessors, (139339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49129 states to 49129 states and 139339 transitions. [2022-01-18 00:57:06,369 INFO L78 Accepts]: Start accepts. Automaton has 49129 states and 139339 transitions. Word has length 191 [2022-01-18 00:57:06,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:06,370 INFO L470 AbstractCegarLoop]: Abstraction has 49129 states and 139339 transitions. [2022-01-18 00:57:06,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 49129 states and 139339 transitions. [2022-01-18 00:57:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-01-18 00:57:06,445 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:06,446 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:06,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 00:57:06,446 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:06,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:06,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1646631921, now seen corresponding path program 1 times [2022-01-18 00:57:06,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:06,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509560306] [2022-01-18 00:57:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:06,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:06,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:06,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509560306] [2022-01-18 00:57:06,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509560306] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:06,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:06,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 00:57:06,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537025381] [2022-01-18 00:57:06,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:06,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 00:57:06,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:06,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 00:57:06,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 00:57:06,480 INFO L87 Difference]: Start difference. First operand 49129 states and 139339 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:07,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:07,041 INFO L93 Difference]: Finished difference Result 65156 states and 184980 transitions. [2022-01-18 00:57:07,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-18 00:57:07,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-01-18 00:57:07,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:07,182 INFO L225 Difference]: With dead ends: 65156 [2022-01-18 00:57:07,182 INFO L226 Difference]: Without dead ends: 65156 [2022-01-18 00:57:07,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:57:07,182 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 273 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:07,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 1252 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:07,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65156 states. [2022-01-18 00:57:08,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65156 to 52459. [2022-01-18 00:57:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52459 states, 52458 states have (on average 2.8411681726333446) internal successors, (149042), 52458 states have internal predecessors, (149042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52459 states to 52459 states and 149042 transitions. [2022-01-18 00:57:08,426 INFO L78 Accepts]: Start accepts. Automaton has 52459 states and 149042 transitions. Word has length 209 [2022-01-18 00:57:08,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:08,427 INFO L470 AbstractCegarLoop]: Abstraction has 52459 states and 149042 transitions. [2022-01-18 00:57:08,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52459 states and 149042 transitions. [2022-01-18 00:57:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-01-18 00:57:08,523 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:08,523 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:08,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 00:57:08,523 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:08,524 INFO L85 PathProgramCache]: Analyzing trace with hash 321311817, now seen corresponding path program 1 times [2022-01-18 00:57:08,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:08,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698167305] [2022-01-18 00:57:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:08,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:08,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:08,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698167305] [2022-01-18 00:57:08,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698167305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:08,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:08,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 00:57:08,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226476278] [2022-01-18 00:57:08,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:08,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 00:57:08,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:08,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 00:57:08,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 00:57:08,577 INFO L87 Difference]: Start difference. First operand 52459 states and 149042 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:08,841 INFO L93 Difference]: Finished difference Result 60035 states and 170619 transitions. [2022-01-18 00:57:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 00:57:08,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-01-18 00:57:08,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:08,966 INFO L225 Difference]: With dead ends: 60035 [2022-01-18 00:57:08,966 INFO L226 Difference]: Without dead ends: 59787 [2022-01-18 00:57:08,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:57:08,966 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 331 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:08,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 1277 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59787 states. [2022-01-18 00:57:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59787 to 52211. [2022-01-18 00:57:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52211 states, 52210 states have (on average 2.8343229266424057) internal successors, (147980), 52210 states have internal predecessors, (147980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52211 states to 52211 states and 147980 transitions. [2022-01-18 00:57:10,282 INFO L78 Accepts]: Start accepts. Automaton has 52211 states and 147980 transitions. Word has length 211 [2022-01-18 00:57:10,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:10,282 INFO L470 AbstractCegarLoop]: Abstraction has 52211 states and 147980 transitions. [2022-01-18 00:57:10,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 52211 states and 147980 transitions. [2022-01-18 00:57:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-01-18 00:57:10,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:10,379 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:10,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 00:57:10,380 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:10,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:10,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1324597160, now seen corresponding path program 1 times [2022-01-18 00:57:10,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:10,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529290424] [2022-01-18 00:57:10,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:10,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:10,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:10,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529290424] [2022-01-18 00:57:10,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529290424] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:10,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:10,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:57:10,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346167519] [2022-01-18 00:57:10,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:10,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:57:10,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:10,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:57:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:57:10,430 INFO L87 Difference]: Start difference. First operand 52211 states and 147980 transitions. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:11,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:11,097 INFO L93 Difference]: Finished difference Result 63336 states and 178591 transitions. [2022-01-18 00:57:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 00:57:11,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-01-18 00:57:11,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:11,231 INFO L225 Difference]: With dead ends: 63336 [2022-01-18 00:57:11,231 INFO L226 Difference]: Without dead ends: 62856 [2022-01-18 00:57:11,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:57:11,232 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 591 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:11,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 2246 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:57:11,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62856 states. [2022-01-18 00:57:12,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62856 to 51731. [2022-01-18 00:57:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51731 states, 51730 states have (on average 2.8274115600231973) internal successors, (146262), 51730 states have internal predecessors, (146262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51731 states to 51731 states and 146262 transitions. [2022-01-18 00:57:12,422 INFO L78 Accepts]: Start accepts. Automaton has 51731 states and 146262 transitions. Word has length 211 [2022-01-18 00:57:12,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:12,422 INFO L470 AbstractCegarLoop]: Abstraction has 51731 states and 146262 transitions. [2022-01-18 00:57:12,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 51731 states and 146262 transitions. [2022-01-18 00:57:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:12,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:12,507 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:12,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 00:57:12,508 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:12,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1869389102, now seen corresponding path program 1 times [2022-01-18 00:57:12,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:12,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16006136] [2022-01-18 00:57:12,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:12,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:12,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:12,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16006136] [2022-01-18 00:57:12,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16006136] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:12,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:12,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:57:12,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778502386] [2022-01-18 00:57:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:12,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:57:12,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:12,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:57:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:57:12,548 INFO L87 Difference]: Start difference. First operand 51731 states and 146262 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:13,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:13,027 INFO L93 Difference]: Finished difference Result 68105 states and 191781 transitions. [2022-01-18 00:57:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 00:57:13,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:13,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:13,168 INFO L225 Difference]: With dead ends: 68105 [2022-01-18 00:57:13,168 INFO L226 Difference]: Without dead ends: 68105 [2022-01-18 00:57:13,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:57:13,169 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 826 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:13,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [826 Valid, 3101 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:57:13,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68105 states. [2022-01-18 00:57:14,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68105 to 55091. [2022-01-18 00:57:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55091 states, 55090 states have (on average 2.8245961154474495) internal successors, (155607), 55090 states have internal predecessors, (155607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55091 states to 55091 states and 155607 transitions. [2022-01-18 00:57:14,479 INFO L78 Accepts]: Start accepts. Automaton has 55091 states and 155607 transitions. Word has length 219 [2022-01-18 00:57:14,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:14,479 INFO L470 AbstractCegarLoop]: Abstraction has 55091 states and 155607 transitions. [2022-01-18 00:57:14,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 55091 states and 155607 transitions. [2022-01-18 00:57:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:14,573 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:14,573 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:14,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 00:57:14,573 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:14,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:14,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930734, now seen corresponding path program 1 times [2022-01-18 00:57:14,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:14,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785750939] [2022-01-18 00:57:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:14,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:14,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:14,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785750939] [2022-01-18 00:57:14,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785750939] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:14,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:14,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:57:14,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141116829] [2022-01-18 00:57:14,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:14,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:57:14,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:14,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:57:14,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:57:14,619 INFO L87 Difference]: Start difference. First operand 55091 states and 155607 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:15,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:15,455 INFO L93 Difference]: Finished difference Result 94832 states and 268230 transitions. [2022-01-18 00:57:15,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:57:15,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:15,659 INFO L225 Difference]: With dead ends: 94832 [2022-01-18 00:57:15,659 INFO L226 Difference]: Without dead ends: 94832 [2022-01-18 00:57:15,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:57:15,659 INFO L933 BasicCegarLoop]: 778 mSDtfsCounter, 561 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 3201 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:15,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 3201 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:15,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94832 states. [2022-01-18 00:57:17,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94832 to 81367. [2022-01-18 00:57:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81367 states, 81366 states have (on average 2.8368606051667773) internal successors, (230824), 81366 states have internal predecessors, (230824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81367 states to 81367 states and 230824 transitions. [2022-01-18 00:57:17,320 INFO L78 Accepts]: Start accepts. Automaton has 81367 states and 230824 transitions. Word has length 219 [2022-01-18 00:57:17,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:17,320 INFO L470 AbstractCegarLoop]: Abstraction has 81367 states and 230824 transitions. [2022-01-18 00:57:17,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 81367 states and 230824 transitions. [2022-01-18 00:57:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:17,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:17,778 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:17,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 00:57:17,779 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash -351842088, now seen corresponding path program 1 times [2022-01-18 00:57:17,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:17,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244508832] [2022-01-18 00:57:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:17,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:17,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:17,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244508832] [2022-01-18 00:57:17,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244508832] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:17,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:17,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:57:17,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281056253] [2022-01-18 00:57:17,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:17,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:57:17,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:17,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:57:17,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:57:17,852 INFO L87 Difference]: Start difference. First operand 81367 states and 230824 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:18,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:18,300 INFO L93 Difference]: Finished difference Result 124350 states and 350754 transitions. [2022-01-18 00:57:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:57:18,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:18,559 INFO L225 Difference]: With dead ends: 124350 [2022-01-18 00:57:18,560 INFO L226 Difference]: Without dead ends: 124350 [2022-01-18 00:57:18,560 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 00:57:18,560 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 190 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:18,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 740 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:18,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124350 states. [2022-01-18 00:57:20,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124350 to 82807. [2022-01-18 00:57:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82807 states, 82806 states have (on average 2.8358935342849554) internal successors, (234829), 82806 states have internal predecessors, (234829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82807 states to 82807 states and 234829 transitions. [2022-01-18 00:57:20,711 INFO L78 Accepts]: Start accepts. Automaton has 82807 states and 234829 transitions. Word has length 219 [2022-01-18 00:57:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:20,711 INFO L470 AbstractCegarLoop]: Abstraction has 82807 states and 234829 transitions. [2022-01-18 00:57:20,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 82807 states and 234829 transitions. [2022-01-18 00:57:20,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:20,862 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:20,862 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:20,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 00:57:20,862 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:20,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:20,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1165252210, now seen corresponding path program 1 times [2022-01-18 00:57:20,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:20,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9785618] [2022-01-18 00:57:20,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:20,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:20,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:20,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9785618] [2022-01-18 00:57:20,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9785618] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:20,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:20,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:57:20,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574718234] [2022-01-18 00:57:20,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:20,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:57:20,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:20,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:57:20,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:57:20,901 INFO L87 Difference]: Start difference. First operand 82807 states and 234829 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:21,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:21,400 INFO L93 Difference]: Finished difference Result 112830 states and 316794 transitions. [2022-01-18 00:57:21,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:57:21,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:21,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:21,658 INFO L225 Difference]: With dead ends: 112830 [2022-01-18 00:57:21,658 INFO L226 Difference]: Without dead ends: 112830 [2022-01-18 00:57:21,658 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 00:57:21,659 INFO L933 BasicCegarLoop]: 474 mSDtfsCounter, 199 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:21,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 756 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112830 states. [2022-01-18 00:57:23,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112830 to 78967. [2022-01-18 00:57:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78967 states, 78966 states have (on average 2.8263936377681533) internal successors, (223189), 78966 states have internal predecessors, (223189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78967 states to 78967 states and 223189 transitions. [2022-01-18 00:57:23,802 INFO L78 Accepts]: Start accepts. Automaton has 78967 states and 223189 transitions. Word has length 219 [2022-01-18 00:57:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:23,802 INFO L470 AbstractCegarLoop]: Abstraction has 78967 states and 223189 transitions. [2022-01-18 00:57:23,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 78967 states and 223189 transitions. [2022-01-18 00:57:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:23,933 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:23,933 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:23,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 00:57:23,933 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:23,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:23,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1417626440, now seen corresponding path program 1 times [2022-01-18 00:57:23,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:23,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716865388] [2022-01-18 00:57:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:23,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:23,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:23,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716865388] [2022-01-18 00:57:23,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716865388] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:23,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:23,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 00:57:23,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037994334] [2022-01-18 00:57:23,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:23,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 00:57:23,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:23,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 00:57:23,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:57:23,983 INFO L87 Difference]: Start difference. First operand 78967 states and 223189 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:24,474 INFO L93 Difference]: Finished difference Result 95828 states and 269790 transitions. [2022-01-18 00:57:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 00:57:24,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:25,096 INFO L225 Difference]: With dead ends: 95828 [2022-01-18 00:57:25,096 INFO L226 Difference]: Without dead ends: 95828 [2022-01-18 00:57:25,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2022-01-18 00:57:25,096 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 632 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 3800 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:25,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 3800 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:57:25,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95828 states. [2022-01-18 00:57:26,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95828 to 88121. [2022-01-18 00:57:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88121 states, 88120 states have (on average 2.827019972764412) internal successors, (249117), 88120 states have internal predecessors, (249117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88121 states to 88121 states and 249117 transitions. [2022-01-18 00:57:26,957 INFO L78 Accepts]: Start accepts. Automaton has 88121 states and 249117 transitions. Word has length 219 [2022-01-18 00:57:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:26,957 INFO L470 AbstractCegarLoop]: Abstraction has 88121 states and 249117 transitions. [2022-01-18 00:57:26,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 88121 states and 249117 transitions. [2022-01-18 00:57:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:27,110 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:27,111 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:27,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 00:57:27,111 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:27,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:27,111 INFO L85 PathProgramCache]: Analyzing trace with hash 49503480, now seen corresponding path program 1 times [2022-01-18 00:57:27,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:27,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220047378] [2022-01-18 00:57:27,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:27,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 00:57:27,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:27,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220047378] [2022-01-18 00:57:27,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220047378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:27,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:27,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:57:27,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54474514] [2022-01-18 00:57:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:27,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:57:27,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:27,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:57:27,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:57:27,173 INFO L87 Difference]: Start difference. First operand 88121 states and 249117 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:28,035 INFO L93 Difference]: Finished difference Result 117892 states and 333478 transitions. [2022-01-18 00:57:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 00:57:28,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:28,306 INFO L225 Difference]: With dead ends: 117892 [2022-01-18 00:57:28,306 INFO L226 Difference]: Without dead ends: 117424 [2022-01-18 00:57:28,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-01-18 00:57:28,307 INFO L933 BasicCegarLoop]: 827 mSDtfsCounter, 588 mSDsluCounter, 3320 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:28,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 4110 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:28,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117424 states. [2022-01-18 00:57:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117424 to 103643. [2022-01-18 00:57:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103643 states, 103642 states have (on average 2.8399394068041914) internal successors, (294337), 103642 states have internal predecessors, (294337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103643 states to 103643 states and 294337 transitions. [2022-01-18 00:57:31,038 INFO L78 Accepts]: Start accepts. Automaton has 103643 states and 294337 transitions. Word has length 219 [2022-01-18 00:57:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:31,038 INFO L470 AbstractCegarLoop]: Abstraction has 103643 states and 294337 transitions. [2022-01-18 00:57:31,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 103643 states and 294337 transitions. [2022-01-18 00:57:31,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:31,229 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:31,229 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:31,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 00:57:31,229 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:31,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1433822421, now seen corresponding path program 1 times [2022-01-18 00:57:31,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:31,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500637332] [2022-01-18 00:57:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:31,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:31,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:31,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500637332] [2022-01-18 00:57:31,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500637332] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:31,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:31,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:57:31,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381073573] [2022-01-18 00:57:31,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:31,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:57:31,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:31,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:57:31,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:57:31,276 INFO L87 Difference]: Start difference. First operand 103643 states and 294337 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:31,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:31,957 INFO L93 Difference]: Finished difference Result 123784 states and 348990 transitions. [2022-01-18 00:57:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 00:57:31,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:31,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:32,256 INFO L225 Difference]: With dead ends: 123784 [2022-01-18 00:57:32,256 INFO L226 Difference]: Without dead ends: 123784 [2022-01-18 00:57:32,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:57:32,257 INFO L933 BasicCegarLoop]: 737 mSDtfsCounter, 806 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:32,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [806 Valid, 3101 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:57:32,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123784 states. [2022-01-18 00:57:34,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123784 to 110286. [2022-01-18 00:57:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110286 states, 110285 states have (on average 2.8379017998821237) internal successors, (312978), 110285 states have internal predecessors, (312978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110286 states to 110286 states and 312978 transitions. [2022-01-18 00:57:35,617 INFO L78 Accepts]: Start accepts. Automaton has 110286 states and 312978 transitions. Word has length 219 [2022-01-18 00:57:35,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:35,617 INFO L470 AbstractCegarLoop]: Abstraction has 110286 states and 312978 transitions. [2022-01-18 00:57:35,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 110286 states and 312978 transitions. [2022-01-18 00:57:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:35,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:35,812 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:35,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 00:57:35,812 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:35,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1765692267, now seen corresponding path program 1 times [2022-01-18 00:57:35,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:35,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739639469] [2022-01-18 00:57:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:35,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:35,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:35,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739639469] [2022-01-18 00:57:35,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739639469] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:35,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:35,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:57:35,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96018360] [2022-01-18 00:57:35,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:35,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:57:35,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:35,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:57:35,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:57:35,854 INFO L87 Difference]: Start difference. First operand 110286 states and 312978 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:36,637 INFO L93 Difference]: Finished difference Result 188136 states and 536125 transitions. [2022-01-18 00:57:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:57:36,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:37,641 INFO L225 Difference]: With dead ends: 188136 [2022-01-18 00:57:37,642 INFO L226 Difference]: Without dead ends: 188136 [2022-01-18 00:57:37,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:57:37,643 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 552 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:37,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 3155 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188136 states. [2022-01-18 00:57:40,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188136 to 161546. [2022-01-18 00:57:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161546 states, 161545 states have (on average 2.857061499891671) internal successors, (461544), 161545 states have internal predecessors, (461544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161546 states to 161546 states and 461544 transitions. [2022-01-18 00:57:41,294 INFO L78 Accepts]: Start accepts. Automaton has 161546 states and 461544 transitions. Word has length 219 [2022-01-18 00:57:41,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:41,294 INFO L470 AbstractCegarLoop]: Abstraction has 161546 states and 461544 transitions. [2022-01-18 00:57:41,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 161546 states and 461544 transitions. [2022-01-18 00:57:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:42,205 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:42,206 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:42,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 00:57:42,206 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:42,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1899323211, now seen corresponding path program 1 times [2022-01-18 00:57:42,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:42,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001091767] [2022-01-18 00:57:42,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:42,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:42,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:42,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001091767] [2022-01-18 00:57:42,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001091767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:42,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:42,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:57:42,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483662353] [2022-01-18 00:57:42,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:42,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:57:42,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:42,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:57:42,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:57:42,291 INFO L87 Difference]: Start difference. First operand 161546 states and 461544 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:43,334 INFO L93 Difference]: Finished difference Result 245106 states and 697846 transitions. [2022-01-18 00:57:43,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:57:43,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:43,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:44,636 INFO L225 Difference]: With dead ends: 245106 [2022-01-18 00:57:44,636 INFO L226 Difference]: Without dead ends: 245106 [2022-01-18 00:57:44,636 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 00:57:44,637 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 189 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:44,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 740 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245106 states. [2022-01-18 00:57:47,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245106 to 164393. [2022-01-18 00:57:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164393 states, 164392 states have (on average 2.856179132804516) internal successors, (469533), 164392 states have internal predecessors, (469533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164393 states to 164393 states and 469533 transitions. [2022-01-18 00:57:49,160 INFO L78 Accepts]: Start accepts. Automaton has 164393 states and 469533 transitions. Word has length 219 [2022-01-18 00:57:49,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:49,160 INFO L470 AbstractCegarLoop]: Abstraction has 164393 states and 469533 transitions. [2022-01-18 00:57:49,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 164393 states and 469533 transitions. [2022-01-18 00:57:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:49,466 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:49,466 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:49,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 00:57:49,466 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:49,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1372911733, now seen corresponding path program 1 times [2022-01-18 00:57:49,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:49,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35849609] [2022-01-18 00:57:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:49,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:49,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:49,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35849609] [2022-01-18 00:57:49,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35849609] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:49,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:49,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 00:57:49,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182424571] [2022-01-18 00:57:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:49,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 00:57:49,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 00:57:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 00:57:49,508 INFO L87 Difference]: Start difference. First operand 164393 states and 469533 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:51,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:51,055 INFO L93 Difference]: Finished difference Result 222330 states and 630138 transitions. [2022-01-18 00:57:51,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 00:57:51,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:51,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:51,724 INFO L225 Difference]: With dead ends: 222330 [2022-01-18 00:57:51,724 INFO L226 Difference]: Without dead ends: 222330 [2022-01-18 00:57:51,724 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 00:57:51,725 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 193 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:51,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 755 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:57:52,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222330 states. [2022-01-18 00:57:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222330 to 156801. [2022-01-18 00:57:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156801 states, 156800 states have (on average 2.846498724489796) internal successors, (446331), 156800 states have internal predecessors, (446331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156801 states to 156801 states and 446331 transitions. [2022-01-18 00:57:55,958 INFO L78 Accepts]: Start accepts. Automaton has 156801 states and 446331 transitions. Word has length 219 [2022-01-18 00:57:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:57:55,958 INFO L470 AbstractCegarLoop]: Abstraction has 156801 states and 446331 transitions. [2022-01-18 00:57:55,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 156801 states and 446331 transitions. [2022-01-18 00:57:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:57:56,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:57:56,247 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:57:56,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 00:57:56,248 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:57:56,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:57:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1239280789, now seen corresponding path program 1 times [2022-01-18 00:57:56,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:57:56,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334434680] [2022-01-18 00:57:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:57:56,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:57:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:57:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:57:56,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:57:56,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334434680] [2022-01-18 00:57:56,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334434680] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:57:56,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:57:56,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 00:57:56,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943099447] [2022-01-18 00:57:56,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:57:56,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 00:57:56,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:57:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 00:57:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:57:56,298 INFO L87 Difference]: Start difference. First operand 156801 states and 446331 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:57:58,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:57:58,040 INFO L93 Difference]: Finished difference Result 204043 states and 579554 transitions. [2022-01-18 00:57:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 00:57:58,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:57:58,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:57:58,619 INFO L225 Difference]: With dead ends: 204043 [2022-01-18 00:57:58,619 INFO L226 Difference]: Without dead ends: 204043 [2022-01-18 00:57:58,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2022-01-18 00:57:58,620 INFO L933 BasicCegarLoop]: 635 mSDtfsCounter, 753 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 3925 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:57:58,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 3925 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:57:58,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204043 states. [2022-01-18 00:58:02,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204043 to 177834. [2022-01-18 00:58:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177834 states, 177833 states have (on average 2.8511131229861726) internal successors, (507022), 177833 states have internal predecessors, (507022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177834 states to 177834 states and 507022 transitions. [2022-01-18 00:58:03,520 INFO L78 Accepts]: Start accepts. Automaton has 177834 states and 507022 transitions. Word has length 219 [2022-01-18 00:58:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:03,520 INFO L470 AbstractCegarLoop]: Abstraction has 177834 states and 507022 transitions. [2022-01-18 00:58:03,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 177834 states and 507022 transitions. [2022-01-18 00:58:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:58:03,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:03,874 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:03,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 00:58:03,875 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1960233899, now seen corresponding path program 1 times [2022-01-18 00:58:03,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:03,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032905634] [2022-01-18 00:58:03,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:03,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-18 00:58:04,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:04,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032905634] [2022-01-18 00:58:04,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032905634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:04,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:04,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:58:04,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333926599] [2022-01-18 00:58:04,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:04,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:58:04,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:04,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:58:04,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:58:04,011 INFO L87 Difference]: Start difference. First operand 177834 states and 507022 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:05,906 INFO L93 Difference]: Finished difference Result 242468 states and 691849 transitions. [2022-01-18 00:58:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 00:58:05,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:58:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:06,760 INFO L225 Difference]: With dead ends: 242468 [2022-01-18 00:58:06,760 INFO L226 Difference]: Without dead ends: 242020 [2022-01-18 00:58:06,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-01-18 00:58:06,761 INFO L933 BasicCegarLoop]: 821 mSDtfsCounter, 597 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:06,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 4081 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:58:07,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242020 states. [2022-01-18 00:58:10,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242020 to 211881. [2022-01-18 00:58:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211881 states, 211880 states have (on average 2.8642344723428357) internal successors, (606874), 211880 states have internal predecessors, (606874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211881 states to 211881 states and 606874 transitions. [2022-01-18 00:58:11,542 INFO L78 Accepts]: Start accepts. Automaton has 211881 states and 606874 transitions. Word has length 219 [2022-01-18 00:58:11,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:11,543 INFO L470 AbstractCegarLoop]: Abstraction has 211881 states and 606874 transitions. [2022-01-18 00:58:11,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 211881 states and 606874 transitions. [2022-01-18 00:58:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:58:12,706 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:12,706 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:12,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 00:58:12,707 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:12,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:12,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1128697409, now seen corresponding path program 2 times [2022-01-18 00:58:12,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:12,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364493013] [2022-01-18 00:58:12,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:12,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:12,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:12,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364493013] [2022-01-18 00:58:12,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364493013] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:12,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:12,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 00:58:12,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932367180] [2022-01-18 00:58:12,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:12,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 00:58:12,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:12,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 00:58:12,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:58:12,762 INFO L87 Difference]: Start difference. First operand 211881 states and 606874 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:14,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:14,106 INFO L93 Difference]: Finished difference Result 243909 states and 695619 transitions. [2022-01-18 00:58:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 00:58:14,106 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:58:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:15,490 INFO L225 Difference]: With dead ends: 243909 [2022-01-18 00:58:15,490 INFO L226 Difference]: Without dead ends: 243909 [2022-01-18 00:58:15,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2022-01-18 00:58:15,491 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 858 mSDsluCounter, 3868 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:15,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 4577 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:58:15,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243909 states. [2022-01-18 00:58:19,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243909 to 212569. [2022-01-18 00:58:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212569 states, 212568 states have (on average 2.864410447480336) internal successors, (608882), 212568 states have internal predecessors, (608882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212569 states to 212569 states and 608882 transitions. [2022-01-18 00:58:20,480 INFO L78 Accepts]: Start accepts. Automaton has 212569 states and 608882 transitions. Word has length 219 [2022-01-18 00:58:20,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:20,480 INFO L470 AbstractCegarLoop]: Abstraction has 212569 states and 608882 transitions. [2022-01-18 00:58:20,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 212569 states and 608882 transitions. [2022-01-18 00:58:21,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:58:21,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:21,618 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:21,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 00:58:21,619 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:21,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash 992800157, now seen corresponding path program 3 times [2022-01-18 00:58:21,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:21,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766621009] [2022-01-18 00:58:21,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:21,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:21,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:21,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766621009] [2022-01-18 00:58:21,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766621009] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:21,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:21,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:58:21,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878621207] [2022-01-18 00:58:21,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:21,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:58:21,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:21,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:58:21,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:58:21,668 INFO L87 Difference]: Start difference. First operand 212569 states and 608882 transitions. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:23,089 INFO L93 Difference]: Finished difference Result 247416 states and 705820 transitions. [2022-01-18 00:58:23,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 00:58:23,089 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:58:23,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:24,435 INFO L225 Difference]: With dead ends: 247416 [2022-01-18 00:58:24,436 INFO L226 Difference]: Without dead ends: 247416 [2022-01-18 00:58:24,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2022-01-18 00:58:24,436 INFO L933 BasicCegarLoop]: 801 mSDtfsCounter, 960 mSDsluCounter, 4823 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 5567 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:24,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 5567 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:58:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247416 states. [2022-01-18 00:58:28,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247416 to 213089. [2022-01-18 00:58:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213089 states, 213088 states have (on average 2.8647272488361617) internal successors, (610439), 213088 states have internal predecessors, (610439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213089 states to 213089 states and 610439 transitions. [2022-01-18 00:58:29,450 INFO L78 Accepts]: Start accepts. Automaton has 213089 states and 610439 transitions. Word has length 219 [2022-01-18 00:58:29,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:29,450 INFO L470 AbstractCegarLoop]: Abstraction has 213089 states and 610439 transitions. [2022-01-18 00:58:29,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 213089 states and 610439 transitions. [2022-01-18 00:58:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-18 00:58:30,545 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:30,545 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:30,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 00:58:30,545 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:30,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:30,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1359510501, now seen corresponding path program 1 times [2022-01-18 00:58:30,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:30,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764379080] [2022-01-18 00:58:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:30,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:30,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:30,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764379080] [2022-01-18 00:58:30,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764379080] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:30,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:30,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 00:58:30,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477081938] [2022-01-18 00:58:30,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:30,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 00:58:30,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:30,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 00:58:30,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 00:58:30,618 INFO L87 Difference]: Start difference. First operand 213089 states and 610439 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:31,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:31,719 INFO L93 Difference]: Finished difference Result 247476 states and 706893 transitions. [2022-01-18 00:58:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:58:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-01-18 00:58:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:32,885 INFO L225 Difference]: With dead ends: 247476 [2022-01-18 00:58:32,886 INFO L226 Difference]: Without dead ends: 247476 [2022-01-18 00:58:32,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:58:32,886 INFO L933 BasicCegarLoop]: 618 mSDtfsCounter, 483 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:32,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 2117 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:58:33,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247476 states. [2022-01-18 00:58:36,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247476 to 210927. [2022-01-18 00:58:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210927 states, 210926 states have (on average 2.8607473711159366) internal successors, (603406), 210926 states have internal predecessors, (603406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210927 states to 210927 states and 603406 transitions. [2022-01-18 00:58:37,814 INFO L78 Accepts]: Start accepts. Automaton has 210927 states and 603406 transitions. Word has length 219 [2022-01-18 00:58:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:37,814 INFO L470 AbstractCegarLoop]: Abstraction has 210927 states and 603406 transitions. [2022-01-18 00:58:37,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 210927 states and 603406 transitions. [2022-01-18 00:58:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:58:38,135 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:38,136 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:38,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 00:58:38,136 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash -316070390, now seen corresponding path program 1 times [2022-01-18 00:58:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:38,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664710199] [2022-01-18 00:58:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:38,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:38,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:38,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664710199] [2022-01-18 00:58:38,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664710199] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:38,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:38,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:58:38,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93984609] [2022-01-18 00:58:38,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:38,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:58:38,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:38,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:58:38,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:58:38,244 INFO L87 Difference]: Start difference. First operand 210927 states and 603406 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:39,502 INFO L93 Difference]: Finished difference Result 120214 states and 339290 transitions. [2022-01-18 00:58:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 00:58:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:58:39,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:39,769 INFO L225 Difference]: With dead ends: 120214 [2022-01-18 00:58:39,769 INFO L226 Difference]: Without dead ends: 114214 [2022-01-18 00:58:39,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-18 00:58:39,769 INFO L933 BasicCegarLoop]: 704 mSDtfsCounter, 655 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4707 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:39,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 4707 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:58:39,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114214 states. [2022-01-18 00:58:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114214 to 109965. [2022-01-18 00:58:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109965 states, 109964 states have (on average 2.8333636462842384) internal successors, (311568), 109964 states have internal predecessors, (311568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109965 states to 109965 states and 311568 transitions. [2022-01-18 00:58:42,427 INFO L78 Accepts]: Start accepts. Automaton has 109965 states and 311568 transitions. Word has length 221 [2022-01-18 00:58:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:42,427 INFO L470 AbstractCegarLoop]: Abstraction has 109965 states and 311568 transitions. [2022-01-18 00:58:42,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 109965 states and 311568 transitions. [2022-01-18 00:58:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:58:42,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:42,618 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:42,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 00:58:42,618 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 804265670, now seen corresponding path program 1 times [2022-01-18 00:58:42,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:42,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588572860] [2022-01-18 00:58:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:42,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:42,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:42,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588572860] [2022-01-18 00:58:42,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588572860] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:42,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:42,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:58:42,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940473599] [2022-01-18 00:58:42,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:42,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:58:42,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:42,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:58:42,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:58:42,689 INFO L87 Difference]: Start difference. First operand 109965 states and 311568 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:43,559 INFO L93 Difference]: Finished difference Result 162429 states and 459604 transitions. [2022-01-18 00:58:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 00:58:43,559 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:58:43,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:43,950 INFO L225 Difference]: With dead ends: 162429 [2022-01-18 00:58:43,950 INFO L226 Difference]: Without dead ends: 162204 [2022-01-18 00:58:43,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-01-18 00:58:43,951 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 486 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 4761 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:43,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [486 Valid, 4761 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:58:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162204 states. [2022-01-18 00:58:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162204 to 110013. [2022-01-18 00:58:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110013 states, 110012 states have (on average 2.8332545540486493) internal successors, (311692), 110012 states have internal predecessors, (311692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311692 transitions. [2022-01-18 00:58:46,883 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311692 transitions. Word has length 221 [2022-01-18 00:58:46,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:46,883 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311692 transitions. [2022-01-18 00:58:46,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311692 transitions. [2022-01-18 00:58:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:58:47,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:47,541 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:47,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 00:58:47,541 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:47,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:47,541 INFO L85 PathProgramCache]: Analyzing trace with hash -713339390, now seen corresponding path program 2 times [2022-01-18 00:58:47,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:47,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538036980] [2022-01-18 00:58:47,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:47,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:47,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:47,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538036980] [2022-01-18 00:58:47,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538036980] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:47,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:47,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:58:47,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606157871] [2022-01-18 00:58:47,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:47,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:58:47,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:47,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:58:47,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:58:47,620 INFO L87 Difference]: Start difference. First operand 110013 states and 311692 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:48,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:48,256 INFO L93 Difference]: Finished difference Result 115345 states and 325515 transitions. [2022-01-18 00:58:48,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 00:58:48,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:58:48,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:48,520 INFO L225 Difference]: With dead ends: 115345 [2022-01-18 00:58:48,520 INFO L226 Difference]: Without dead ends: 114213 [2022-01-18 00:58:48,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2022-01-18 00:58:48,521 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 388 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 3976 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:48,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [388 Valid, 3976 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:58:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114213 states. [2022-01-18 00:58:50,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114213 to 109973. [2022-01-18 00:58:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109973 states, 109972 states have (on average 2.833284836140108) internal successors, (311582), 109972 states have internal predecessors, (311582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109973 states to 109973 states and 311582 transitions. [2022-01-18 00:58:51,159 INFO L78 Accepts]: Start accepts. Automaton has 109973 states and 311582 transitions. Word has length 221 [2022-01-18 00:58:51,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:51,159 INFO L470 AbstractCegarLoop]: Abstraction has 109973 states and 311582 transitions. [2022-01-18 00:58:51,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 109973 states and 311582 transitions. [2022-01-18 00:58:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:58:51,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:51,359 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:51,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 00:58:51,359 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:51,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1509884272, now seen corresponding path program 3 times [2022-01-18 00:58:51,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:51,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824364542] [2022-01-18 00:58:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:51,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:51,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:51,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824364542] [2022-01-18 00:58:51,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824364542] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:51,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:51,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:58:51,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333871020] [2022-01-18 00:58:51,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:51,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:58:51,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:51,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:58:51,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:58:51,412 INFO L87 Difference]: Start difference. First operand 109973 states and 311582 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:52,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:52,501 INFO L93 Difference]: Finished difference Result 116827 states and 329554 transitions. [2022-01-18 00:58:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:58:52,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:58:52,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:52,772 INFO L225 Difference]: With dead ends: 116827 [2022-01-18 00:58:52,772 INFO L226 Difference]: Without dead ends: 116579 [2022-01-18 00:58:52,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:58:52,772 INFO L933 BasicCegarLoop]: 613 mSDtfsCounter, 374 mSDsluCounter, 3759 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 4328 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:52,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 4328 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:58:52,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116579 states. [2022-01-18 00:58:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116579 to 110193. [2022-01-18 00:58:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110193 states, 110192 states have (on average 2.8329007550457384) internal successors, (312163), 110192 states have internal predecessors, (312163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110193 states to 110193 states and 312163 transitions. [2022-01-18 00:58:55,688 INFO L78 Accepts]: Start accepts. Automaton has 110193 states and 312163 transitions. Word has length 221 [2022-01-18 00:58:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:55,689 INFO L470 AbstractCegarLoop]: Abstraction has 110193 states and 312163 transitions. [2022-01-18 00:58:55,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 110193 states and 312163 transitions. [2022-01-18 00:58:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:58:55,893 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:58:55,895 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:58:55,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 00:58:55,895 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:58:55,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:58:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1567264612, now seen corresponding path program 4 times [2022-01-18 00:58:55,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:58:55,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028452752] [2022-01-18 00:58:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:58:55,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:58:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:58:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:58:56,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:58:56,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028452752] [2022-01-18 00:58:56,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028452752] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:58:56,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:58:56,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:58:56,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71334056] [2022-01-18 00:58:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:58:56,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:58:56,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:58:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:58:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:58:56,045 INFO L87 Difference]: Start difference. First operand 110193 states and 312163 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:58:56,879 INFO L93 Difference]: Finished difference Result 148723 states and 419198 transitions. [2022-01-18 00:58:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 00:58:56,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:58:56,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:58:57,267 INFO L225 Difference]: With dead ends: 148723 [2022-01-18 00:58:57,267 INFO L226 Difference]: Without dead ends: 148630 [2022-01-18 00:58:57,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:58:57,268 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 448 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 4683 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:58:57,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 4683 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:58:57,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148630 states. [2022-01-18 00:58:59,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148630 to 110265. [2022-01-18 00:58:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110265 states, 110264 states have (on average 2.832774069505913) internal successors, (312353), 110264 states have internal predecessors, (312353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110265 states to 110265 states and 312353 transitions. [2022-01-18 00:58:59,952 INFO L78 Accepts]: Start accepts. Automaton has 110265 states and 312353 transitions. Word has length 221 [2022-01-18 00:58:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:58:59,952 INFO L470 AbstractCegarLoop]: Abstraction has 110265 states and 312353 transitions. [2022-01-18 00:58:59,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:58:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 110265 states and 312353 transitions. [2022-01-18 00:59:00,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:59:00,149 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:00,149 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:00,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 00:59:00,149 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:00,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:00,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1217290516, now seen corresponding path program 5 times [2022-01-18 00:59:00,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:00,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71241742] [2022-01-18 00:59:00,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:00,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:00,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:00,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71241742] [2022-01-18 00:59:00,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71241742] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:00,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:00,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:59:00,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475443133] [2022-01-18 00:59:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:00,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:59:00,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:00,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:59:00,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:59:00,216 INFO L87 Difference]: Start difference. First operand 110265 states and 312353 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:01,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:01,498 INFO L93 Difference]: Finished difference Result 152088 states and 428381 transitions. [2022-01-18 00:59:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 00:59:01,498 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:59:01,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:01,834 INFO L225 Difference]: With dead ends: 152088 [2022-01-18 00:59:01,834 INFO L226 Difference]: Without dead ends: 152057 [2022-01-18 00:59:01,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-01-18 00:59:01,835 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 800 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 4535 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:01,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 4535 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:59:02,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152057 states. [2022-01-18 00:59:04,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152057 to 110301. [2022-01-18 00:59:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110301 states, 110300 states have (on average 2.832710788757933) internal successors, (312448), 110300 states have internal predecessors, (312448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110301 states to 110301 states and 312448 transitions. [2022-01-18 00:59:04,603 INFO L78 Accepts]: Start accepts. Automaton has 110301 states and 312448 transitions. Word has length 221 [2022-01-18 00:59:04,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:04,603 INFO L470 AbstractCegarLoop]: Abstraction has 110301 states and 312448 transitions. [2022-01-18 00:59:04,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 110301 states and 312448 transitions. [2022-01-18 00:59:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:59:04,792 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:04,792 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:04,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 00:59:04,793 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:04,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1388679536, now seen corresponding path program 6 times [2022-01-18 00:59:04,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:04,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306232240] [2022-01-18 00:59:04,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:04,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:04,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:04,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306232240] [2022-01-18 00:59:04,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306232240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:04,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:04,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:59:04,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128131479] [2022-01-18 00:59:04,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:04,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:59:04,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:04,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:59:04,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:59:04,873 INFO L87 Difference]: Start difference. First operand 110301 states and 312448 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:06,267 INFO L93 Difference]: Finished difference Result 170389 states and 479293 transitions. [2022-01-18 00:59:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 00:59:06,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:59:06,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:06,640 INFO L225 Difference]: With dead ends: 170389 [2022-01-18 00:59:06,640 INFO L226 Difference]: Without dead ends: 162793 [2022-01-18 00:59:06,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-01-18 00:59:06,640 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 1618 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:06,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1618 Valid, 3947 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:59:06,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162793 states. [2022-01-18 00:59:09,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162793 to 110013. [2022-01-18 00:59:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110013 states, 110012 states have (on average 2.832890957350107) internal successors, (311652), 110012 states have internal predecessors, (311652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311652 transitions. [2022-01-18 00:59:09,446 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311652 transitions. Word has length 221 [2022-01-18 00:59:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:09,446 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311652 transitions. [2022-01-18 00:59:09,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311652 transitions. [2022-01-18 00:59:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-01-18 00:59:09,645 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:09,645 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:09,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 00:59:09,646 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:09,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1535433892, now seen corresponding path program 7 times [2022-01-18 00:59:09,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:09,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679334549] [2022-01-18 00:59:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:09,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:09,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:09,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679334549] [2022-01-18 00:59:09,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679334549] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:09,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:09,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 00:59:09,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025224850] [2022-01-18 00:59:09,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:09,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 00:59:09,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:09,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 00:59:09,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-18 00:59:09,721 INFO L87 Difference]: Start difference. First operand 110013 states and 311652 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:10,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:10,230 INFO L93 Difference]: Finished difference Result 93976 states and 266745 transitions. [2022-01-18 00:59:10,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 00:59:10,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-01-18 00:59:10,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:10,864 INFO L225 Difference]: With dead ends: 93976 [2022-01-18 00:59:10,864 INFO L226 Difference]: Without dead ends: 91945 [2022-01-18 00:59:10,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-01-18 00:59:10,866 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 312 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:10,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 4000 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:59:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91945 states. [2022-01-18 00:59:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91945 to 88350. [2022-01-18 00:59:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88350 states, 88349 states have (on average 2.853229804525235) internal successors, (252080), 88349 states have internal predecessors, (252080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88350 states to 88350 states and 252080 transitions. [2022-01-18 00:59:12,549 INFO L78 Accepts]: Start accepts. Automaton has 88350 states and 252080 transitions. Word has length 221 [2022-01-18 00:59:12,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:12,549 INFO L470 AbstractCegarLoop]: Abstraction has 88350 states and 252080 transitions. [2022-01-18 00:59:12,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:12,550 INFO L276 IsEmpty]: Start isEmpty. Operand 88350 states and 252080 transitions. [2022-01-18 00:59:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:12,695 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:12,695 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:12,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 00:59:12,695 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:12,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:12,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2038481490, now seen corresponding path program 1 times [2022-01-18 00:59:12,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:12,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548814507] [2022-01-18 00:59:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:12,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:12,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:12,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548814507] [2022-01-18 00:59:12,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548814507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:12,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:12,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:12,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900509740] [2022-01-18 00:59:12,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:12,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:12,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:12,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:12,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:12,842 INFO L87 Difference]: Start difference. First operand 88350 states and 252080 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:14,845 INFO L93 Difference]: Finished difference Result 95814 states and 271412 transitions. [2022-01-18 00:59:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 00:59:14,845 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:15,034 INFO L225 Difference]: With dead ends: 95814 [2022-01-18 00:59:15,035 INFO L226 Difference]: Without dead ends: 95814 [2022-01-18 00:59:15,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=739, Invalid=1711, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 00:59:15,036 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1610 mSDsluCounter, 8779 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:15,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1610 Valid, 9396 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 00:59:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95814 states. [2022-01-18 00:59:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95814 to 89971. [2022-01-18 00:59:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89971 states, 89970 states have (on average 2.8499499833277757) internal successors, (256410), 89970 states have internal predecessors, (256410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89971 states to 89971 states and 256410 transitions. [2022-01-18 00:59:17,007 INFO L78 Accepts]: Start accepts. Automaton has 89971 states and 256410 transitions. Word has length 231 [2022-01-18 00:59:17,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:17,007 INFO L470 AbstractCegarLoop]: Abstraction has 89971 states and 256410 transitions. [2022-01-18 00:59:17,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 89971 states and 256410 transitions. [2022-01-18 00:59:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:17,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:17,440 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:17,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 00:59:17,440 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:17,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:17,441 INFO L85 PathProgramCache]: Analyzing trace with hash -570498768, now seen corresponding path program 2 times [2022-01-18 00:59:17,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:17,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309288490] [2022-01-18 00:59:17,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:17,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:17,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:17,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309288490] [2022-01-18 00:59:17,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309288490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:17,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:17,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:17,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104124678] [2022-01-18 00:59:17,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:17,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:17,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:17,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:17,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:17,634 INFO L87 Difference]: Start difference. First operand 89971 states and 256410 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:18,996 INFO L93 Difference]: Finished difference Result 96019 states and 271904 transitions. [2022-01-18 00:59:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 00:59:18,996 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:18,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:19,184 INFO L225 Difference]: With dead ends: 96019 [2022-01-18 00:59:19,184 INFO L226 Difference]: Without dead ends: 96019 [2022-01-18 00:59:19,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=447, Invalid=1113, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 00:59:19,185 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1260 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:19,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 9399 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:19,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96019 states. [2022-01-18 00:59:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96019 to 90014. [2022-01-18 00:59:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-01-18 00:59:21,309 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-01-18 00:59:21,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:21,309 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-01-18 00:59:21,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-01-18 00:59:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:21,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:21,460 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:21,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 00:59:21,460 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:21,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:21,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1696541134, now seen corresponding path program 3 times [2022-01-18 00:59:21,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:21,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733244450] [2022-01-18 00:59:21,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:21,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:21,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:21,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733244450] [2022-01-18 00:59:21,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733244450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:21,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:21,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:21,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612421553] [2022-01-18 00:59:21,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:21,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:21,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:21,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:21,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:21,595 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:23,251 INFO L93 Difference]: Finished difference Result 96059 states and 272006 transitions. [2022-01-18 00:59:23,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 00:59:23,251 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:23,446 INFO L225 Difference]: With dead ends: 96059 [2022-01-18 00:59:23,446 INFO L226 Difference]: Without dead ends: 96059 [2022-01-18 00:59:23,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=475, Invalid=1247, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 00:59:23,447 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1253 mSDsluCounter, 8836 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 9456 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:23,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1253 Valid, 9456 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:23,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96059 states. [2022-01-18 00:59:25,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96059 to 90014. [2022-01-18 00:59:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-01-18 00:59:25,336 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-01-18 00:59:25,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:25,336 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-01-18 00:59:25,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-01-18 00:59:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:25,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:25,488 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:25,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 00:59:25,488 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:25,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:25,489 INFO L85 PathProgramCache]: Analyzing trace with hash 705975048, now seen corresponding path program 4 times [2022-01-18 00:59:25,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:25,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423935491] [2022-01-18 00:59:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:25,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:25,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:25,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423935491] [2022-01-18 00:59:25,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423935491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:25,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:25,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:25,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35463765] [2022-01-18 00:59:25,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:25,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:25,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:25,620 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:27,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:27,358 INFO L93 Difference]: Finished difference Result 96159 states and 272261 transitions. [2022-01-18 00:59:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 00:59:27,358 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:27,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:27,556 INFO L225 Difference]: With dead ends: 96159 [2022-01-18 00:59:27,556 INFO L226 Difference]: Without dead ends: 96159 [2022-01-18 00:59:27,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=580, Invalid=1490, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 00:59:27,557 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 1287 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 9501 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:27,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1287 Valid, 9501 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:27,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96159 states. [2022-01-18 00:59:29,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96159 to 90014. [2022-01-18 00:59:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-01-18 00:59:29,736 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-01-18 00:59:29,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:29,737 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-01-18 00:59:29,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-01-18 00:59:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:29,882 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:29,882 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:29,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 00:59:29,882 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:29,883 INFO L85 PathProgramCache]: Analyzing trace with hash 616985122, now seen corresponding path program 5 times [2022-01-18 00:59:29,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:29,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2480037] [2022-01-18 00:59:29,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:30,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:30,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2480037] [2022-01-18 00:59:30,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2480037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:30,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:30,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:30,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580199935] [2022-01-18 00:59:30,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:30,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:30,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:30,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:30,012 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:31,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:31,512 INFO L93 Difference]: Finished difference Result 96313 states and 272559 transitions. [2022-01-18 00:59:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 00:59:31,512 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:31,703 INFO L225 Difference]: With dead ends: 96313 [2022-01-18 00:59:31,703 INFO L226 Difference]: Without dead ends: 96313 [2022-01-18 00:59:31,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=678, Invalid=1674, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 00:59:31,704 INFO L933 BasicCegarLoop]: 775 mSDtfsCounter, 1366 mSDsluCounter, 9094 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 9743 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:31,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1366 Valid, 9743 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:32,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96313 states. [2022-01-18 00:59:33,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96313 to 90014. [2022-01-18 00:59:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-01-18 00:59:33,810 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-01-18 00:59:33,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:33,810 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-01-18 00:59:33,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-01-18 00:59:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:33,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:33,948 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:33,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 00:59:33,948 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:33,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:33,949 INFO L85 PathProgramCache]: Analyzing trace with hash 968968608, now seen corresponding path program 6 times [2022-01-18 00:59:33,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:33,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416699851] [2022-01-18 00:59:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:33,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:34,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:34,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416699851] [2022-01-18 00:59:34,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416699851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:34,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:34,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:34,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019899228] [2022-01-18 00:59:34,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:34,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:34,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:34,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:34,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:34,080 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:35,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:35,663 INFO L93 Difference]: Finished difference Result 96312 states and 272666 transitions. [2022-01-18 00:59:35,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 00:59:35,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:35,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:35,862 INFO L225 Difference]: With dead ends: 96312 [2022-01-18 00:59:35,862 INFO L226 Difference]: Without dead ends: 96312 [2022-01-18 00:59:35,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=449, Invalid=1111, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 00:59:35,863 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1262 mSDsluCounter, 8725 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 9335 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:35,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1262 Valid, 9335 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:36,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96312 states. [2022-01-18 00:59:37,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96312 to 90046. [2022-01-18 00:59:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90046 states, 90045 states have (on average 2.849797323560442) internal successors, (256610), 90045 states have internal predecessors, (256610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90046 states to 90046 states and 256610 transitions. [2022-01-18 00:59:38,113 INFO L78 Accepts]: Start accepts. Automaton has 90046 states and 256610 transitions. Word has length 231 [2022-01-18 00:59:38,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:38,114 INFO L470 AbstractCegarLoop]: Abstraction has 90046 states and 256610 transitions. [2022-01-18 00:59:38,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 90046 states and 256610 transitions. [2022-01-18 00:59:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:38,254 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:38,254 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:38,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 00:59:38,255 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:38,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:38,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1058958786, now seen corresponding path program 7 times [2022-01-18 00:59:38,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:38,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184476989] [2022-01-18 00:59:38,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:38,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:38,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:38,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184476989] [2022-01-18 00:59:38,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184476989] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:38,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:38,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:38,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000406797] [2022-01-18 00:59:38,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:38,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:38,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:38,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:38,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:38,382 INFO L87 Difference]: Start difference. First operand 90046 states and 256610 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:39,684 INFO L93 Difference]: Finished difference Result 96356 states and 272779 transitions. [2022-01-18 00:59:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 00:59:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:39,872 INFO L225 Difference]: With dead ends: 96356 [2022-01-18 00:59:39,872 INFO L226 Difference]: Without dead ends: 96356 [2022-01-18 00:59:39,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=481, Invalid=1241, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 00:59:39,873 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1250 mSDsluCounter, 8777 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 9391 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:39,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 9391 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:40,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96356 states. [2022-01-18 00:59:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96356 to 90042. [2022-01-18 00:59:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90042 states, 90041 states have (on average 2.849801756977377) internal successors, (256599), 90041 states have internal predecessors, (256599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90042 states to 90042 states and 256599 transitions. [2022-01-18 00:59:42,050 INFO L78 Accepts]: Start accepts. Automaton has 90042 states and 256599 transitions. Word has length 231 [2022-01-18 00:59:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:42,050 INFO L470 AbstractCegarLoop]: Abstraction has 90042 states and 256599 transitions. [2022-01-18 00:59:42,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 90042 states and 256599 transitions. [2022-01-18 00:59:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:42,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:42,193 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:42,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 00:59:42,193 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:42,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:42,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2049524872, now seen corresponding path program 8 times [2022-01-18 00:59:42,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:42,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244639797] [2022-01-18 00:59:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:42,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:42,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:42,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244639797] [2022-01-18 00:59:42,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244639797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:42,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:42,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:42,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98654071] [2022-01-18 00:59:42,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:42,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:42,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:42,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:42,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:42,334 INFO L87 Difference]: Start difference. First operand 90042 states and 256599 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:44,094 INFO L93 Difference]: Finished difference Result 96452 states and 273023 transitions. [2022-01-18 00:59:44,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 00:59:44,095 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:44,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:44,286 INFO L225 Difference]: With dead ends: 96452 [2022-01-18 00:59:44,286 INFO L226 Difference]: Without dead ends: 96452 [2022-01-18 00:59:44,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=590, Invalid=1480, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 00:59:44,293 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1284 mSDsluCounter, 8816 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 9436 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:44,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 9436 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96452 states. [2022-01-18 00:59:45,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96452 to 90030. [2022-01-18 00:59:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90030 states, 90029 states have (on average 2.849815059591909) internal successors, (256566), 90029 states have internal predecessors, (256566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90030 states to 90030 states and 256566 transitions. [2022-01-18 00:59:46,298 INFO L78 Accepts]: Start accepts. Automaton has 90030 states and 256566 transitions. Word has length 231 [2022-01-18 00:59:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:46,298 INFO L470 AbstractCegarLoop]: Abstraction has 90030 states and 256566 transitions. [2022-01-18 00:59:46,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 90030 states and 256566 transitions. [2022-01-18 00:59:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:46,760 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:46,761 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:46,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 00:59:46,761 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:46,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:46,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2138514798, now seen corresponding path program 9 times [2022-01-18 00:59:46,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:46,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266916389] [2022-01-18 00:59:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:46,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:46,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:46,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266916389] [2022-01-18 00:59:46,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266916389] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:46,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:46,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:46,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184960298] [2022-01-18 00:59:46,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:46,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:46,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:46,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:46,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:46,967 INFO L87 Difference]: Start difference. First operand 90030 states and 256566 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:48,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:48,498 INFO L93 Difference]: Finished difference Result 96722 states and 273579 transitions. [2022-01-18 00:59:48,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 00:59:48,498 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:48,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:48,706 INFO L225 Difference]: With dead ends: 96722 [2022-01-18 00:59:48,706 INFO L226 Difference]: Without dead ends: 96722 [2022-01-18 00:59:48,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=690, Invalid=1662, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 00:59:48,707 INFO L933 BasicCegarLoop]: 764 mSDtfsCounter, 1458 mSDsluCounter, 9001 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:48,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 9640 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:48,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96722 states. [2022-01-18 00:59:50,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96722 to 90026. [2022-01-18 00:59:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90026 states, 90025 states have (on average 2.8498194945848376) internal successors, (256555), 90025 states have internal predecessors, (256555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90026 states to 90026 states and 256555 transitions. [2022-01-18 00:59:50,858 INFO L78 Accepts]: Start accepts. Automaton has 90026 states and 256555 transitions. Word has length 231 [2022-01-18 00:59:50,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:50,858 INFO L470 AbstractCegarLoop]: Abstraction has 90026 states and 256555 transitions. [2022-01-18 00:59:50,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 90026 states and 256555 transitions. [2022-01-18 00:59:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:51,006 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:51,006 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:51,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 00:59:51,006 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1430232344, now seen corresponding path program 10 times [2022-01-18 00:59:51,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:51,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74759944] [2022-01-18 00:59:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:51,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:51,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:51,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74759944] [2022-01-18 00:59:51,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74759944] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:51,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:51,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:51,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033253510] [2022-01-18 00:59:51,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:51,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:51,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:51,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:51,135 INFO L87 Difference]: Start difference. First operand 90026 states and 256555 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:52,844 INFO L93 Difference]: Finished difference Result 96284 states and 272589 transitions. [2022-01-18 00:59:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 00:59:52,844 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:53,040 INFO L225 Difference]: With dead ends: 96284 [2022-01-18 00:59:53,041 INFO L226 Difference]: Without dead ends: 96284 [2022-01-18 00:59:53,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=495, Invalid=1227, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 00:59:53,041 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1254 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:53,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 9332 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96284 states. [2022-01-18 00:59:54,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96284 to 90078. [2022-01-18 00:59:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90078 states, 90077 states have (on average 2.849761870399769) internal successors, (256698), 90077 states have internal predecessors, (256698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90078 states to 90078 states and 256698 transitions. [2022-01-18 00:59:54,968 INFO L78 Accepts]: Start accepts. Automaton has 90078 states and 256698 transitions. Word has length 231 [2022-01-18 00:59:54,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:54,968 INFO L470 AbstractCegarLoop]: Abstraction has 90078 states and 256698 transitions. [2022-01-18 00:59:54,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 90078 states and 256698 transitions. [2022-01-18 00:59:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:55,121 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:55,121 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:55,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 00:59:55,121 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:55,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:55,122 INFO L85 PathProgramCache]: Analyzing trace with hash -597695050, now seen corresponding path program 11 times [2022-01-18 00:59:55,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:55,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363997915] [2022-01-18 00:59:55,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:55,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:55,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:55,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363997915] [2022-01-18 00:59:55,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363997915] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:55,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:55,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:55,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607365757] [2022-01-18 00:59:55,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:55,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:55,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:55,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:55,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:55,246 INFO L87 Difference]: Start difference. First operand 90078 states and 256698 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:59:56,896 INFO L93 Difference]: Finished difference Result 96294 states and 272617 transitions. [2022-01-18 00:59:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 00:59:56,901 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 00:59:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:59:57,110 INFO L225 Difference]: With dead ends: 96294 [2022-01-18 00:59:57,110 INFO L226 Difference]: Without dead ends: 96294 [2022-01-18 00:59:57,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=462, Invalid=1178, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 00:59:57,111 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1242 mSDsluCounter, 8737 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 9353 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:59:57,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 9353 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:59:57,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96294 states. [2022-01-18 00:59:59,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96294 to 90074. [2022-01-18 00:59:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90074 states, 90073 states have (on average 2.8497663006672367) internal successors, (256687), 90073 states have internal predecessors, (256687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90074 states to 90074 states and 256687 transitions. [2022-01-18 00:59:59,340 INFO L78 Accepts]: Start accepts. Automaton has 90074 states and 256687 transitions. Word has length 231 [2022-01-18 00:59:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:59:59,340 INFO L470 AbstractCegarLoop]: Abstraction has 90074 states and 256687 transitions. [2022-01-18 00:59:59,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:59:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 90074 states and 256687 transitions. [2022-01-18 00:59:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 00:59:59,498 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:59:59,498 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:59:59,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 00:59:59,499 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 00:59:59,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:59:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash -668602084, now seen corresponding path program 12 times [2022-01-18 00:59:59,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:59:59,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374335576] [2022-01-18 00:59:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:59:59,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:59:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:59:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 00:59:59,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:59:59,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374335576] [2022-01-18 00:59:59,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374335576] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:59:59,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:59:59,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 00:59:59,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48128513] [2022-01-18 00:59:59,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:59:59,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 00:59:59,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:59:59,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 00:59:59,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 00:59:59,622 INFO L87 Difference]: Start difference. First operand 90074 states and 256687 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:00,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:00,980 INFO L93 Difference]: Finished difference Result 96245 states and 272488 transitions. [2022-01-18 01:00:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 01:00:00,980 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:00,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:01,521 INFO L225 Difference]: With dead ends: 96245 [2022-01-18 01:00:01,521 INFO L226 Difference]: Without dead ends: 96245 [2022-01-18 01:00:01,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=563, Invalid=1329, Unknown=0, NotChecked=0, Total=1892 [2022-01-18 01:00:01,524 INFO L933 BasicCegarLoop]: 726 mSDtfsCounter, 1280 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 9323 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:01,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1280 Valid, 9323 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:01,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96245 states. [2022-01-18 01:00:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96245 to 90143. [2022-01-18 01:00:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90143 states, 90142 states have (on average 2.849481928512791) internal successors, (256858), 90142 states have internal predecessors, (256858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-01-18 01:00:03,435 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-01-18 01:00:03,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:03,436 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-01-18 01:00:03,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-01-18 01:00:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:03,575 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:03,575 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:03,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 01:00:03,575 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:03,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:03,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1563055824, now seen corresponding path program 13 times [2022-01-18 01:00:03,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:03,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89614109] [2022-01-18 01:00:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:03,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:03,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:03,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89614109] [2022-01-18 01:00:03,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89614109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:03,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:03,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:03,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855944367] [2022-01-18 01:00:03,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:03,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:03,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:03,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:03,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:03,709 INFO L87 Difference]: Start difference. First operand 90143 states and 256858 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:05,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:05,369 INFO L93 Difference]: Finished difference Result 96246 states and 272497 transitions. [2022-01-18 01:00:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:00:05,369 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:05,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:05,564 INFO L225 Difference]: With dead ends: 96246 [2022-01-18 01:00:05,565 INFO L226 Difference]: Without dead ends: 96246 [2022-01-18 01:00:05,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=471, Invalid=1169, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:00:05,565 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1251 mSDsluCounter, 8722 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 9336 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:05,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1251 Valid, 9336 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96246 states. [2022-01-18 01:00:07,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96246 to 90159. [2022-01-18 01:00:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-01-18 01:00:07,889 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-01-18 01:00:07,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:07,890 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-01-18 01:00:07,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-01-18 01:00:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:08,036 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:08,036 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:08,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 01:00:08,036 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:08,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:08,037 INFO L85 PathProgramCache]: Analyzing trace with hash -464871570, now seen corresponding path program 14 times [2022-01-18 01:00:08,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:08,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723071878] [2022-01-18 01:00:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:08,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:08,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:08,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723071878] [2022-01-18 01:00:08,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723071878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:08,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:08,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:08,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770084107] [2022-01-18 01:00:08,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:08,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:08,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:08,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:08,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:08,169 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:09,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:09,519 INFO L93 Difference]: Finished difference Result 96267 states and 272553 transitions. [2022-01-18 01:00:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:00:09,519 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:09,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:09,736 INFO L225 Difference]: With dead ends: 96267 [2022-01-18 01:00:09,736 INFO L226 Difference]: Without dead ends: 96267 [2022-01-18 01:00:09,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=486, Invalid=1236, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:00:09,737 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1245 mSDsluCounter, 8743 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9361 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:09,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1245 Valid, 9361 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:09,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96267 states. [2022-01-18 01:00:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96267 to 90155. [2022-01-18 01:00:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90155 states, 90154 states have (on average 2.8494686869135037) internal successors, (256891), 90154 states have internal predecessors, (256891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90155 states to 90155 states and 256891 transitions. [2022-01-18 01:00:12,068 INFO L78 Accepts]: Start accepts. Automaton has 90155 states and 256891 transitions. Word has length 231 [2022-01-18 01:00:12,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:12,068 INFO L470 AbstractCegarLoop]: Abstraction has 90155 states and 256891 transitions. [2022-01-18 01:00:12,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 90155 states and 256891 transitions. [2022-01-18 01:00:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:12,216 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:12,216 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:12,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 01:00:12,216 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:12,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:12,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1455437656, now seen corresponding path program 15 times [2022-01-18 01:00:12,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:12,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025467653] [2022-01-18 01:00:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:12,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:12,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:12,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025467653] [2022-01-18 01:00:12,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025467653] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:12,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:12,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:12,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578389880] [2022-01-18 01:00:12,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:12,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:12,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:12,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:12,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:12,352 INFO L87 Difference]: Start difference. First operand 90155 states and 256891 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:14,170 INFO L93 Difference]: Finished difference Result 96269 states and 272551 transitions. [2022-01-18 01:00:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:00:14,171 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:14,364 INFO L225 Difference]: With dead ends: 96269 [2022-01-18 01:00:14,365 INFO L226 Difference]: Without dead ends: 96269 [2022-01-18 01:00:14,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=572, Invalid=1408, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:00:14,365 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1272 mSDsluCounter, 8777 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:14,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 9399 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96269 states. [2022-01-18 01:00:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96269 to 90143. [2022-01-18 01:00:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90143 states, 90142 states have (on average 2.849481928512791) internal successors, (256858), 90142 states have internal predecessors, (256858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-01-18 01:00:16,422 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-01-18 01:00:16,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:16,422 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-01-18 01:00:16,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-01-18 01:00:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:16,876 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:16,876 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:16,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 01:00:16,876 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1512394704, now seen corresponding path program 16 times [2022-01-18 01:00:16,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:16,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226033122] [2022-01-18 01:00:16,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:16,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:17,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:17,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226033122] [2022-01-18 01:00:17,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226033122] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:17,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:17,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:17,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375304890] [2022-01-18 01:00:17,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:17,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:17,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:17,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:17,031 INFO L87 Difference]: Start difference. First operand 90143 states and 256858 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:18,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:18,378 INFO L93 Difference]: Finished difference Result 96654 states and 273452 transitions. [2022-01-18 01:00:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:00:18,379 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:18,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:18,579 INFO L225 Difference]: With dead ends: 96654 [2022-01-18 01:00:18,579 INFO L226 Difference]: Without dead ends: 96654 [2022-01-18 01:00:18,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=475, Invalid=1165, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:00:18,580 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1506 mSDsluCounter, 8670 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 9280 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:18,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1506 Valid, 9280 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96654 states. [2022-01-18 01:00:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96654 to 90179. [2022-01-18 01:00:20,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90179 states, 90178 states have (on average 2.8494422142872984) internal successors, (256957), 90178 states have internal predecessors, (256957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-01-18 01:00:20,765 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-01-18 01:00:20,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:20,765 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-01-18 01:00:20,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-01-18 01:00:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:20,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:20,921 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:20,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 01:00:20,921 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:20,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash 754645198, now seen corresponding path program 17 times [2022-01-18 01:00:20,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:20,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241708842] [2022-01-18 01:00:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:20,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:21,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:21,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241708842] [2022-01-18 01:00:21,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241708842] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:21,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:21,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:21,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937869280] [2022-01-18 01:00:21,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:21,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:21,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:21,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:21,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:21,067 INFO L87 Difference]: Start difference. First operand 90179 states and 256957 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:22,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:22,772 INFO L93 Difference]: Finished difference Result 96717 states and 273611 transitions. [2022-01-18 01:00:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:00:22,773 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:22,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:22,970 INFO L225 Difference]: With dead ends: 96717 [2022-01-18 01:00:22,970 INFO L226 Difference]: Without dead ends: 96717 [2022-01-18 01:00:22,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:00:22,970 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1494 mSDsluCounter, 8718 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:22,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1494 Valid, 9332 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96717 states. [2022-01-18 01:00:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96717 to 90175. [2022-01-18 01:00:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90175 states, 90174 states have (on average 2.84944662541309) internal successors, (256946), 90174 states have internal predecessors, (256946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-01-18 01:00:24,989 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-01-18 01:00:24,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:24,989 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-01-18 01:00:24,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-01-18 01:00:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:25,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:25,147 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:25,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 01:00:25,147 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:25,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:25,147 INFO L85 PathProgramCache]: Analyzing trace with hash -235920888, now seen corresponding path program 18 times [2022-01-18 01:00:25,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:25,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514105716] [2022-01-18 01:00:25,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:25,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:25,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:25,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514105716] [2022-01-18 01:00:25,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514105716] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:25,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:25,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:25,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454773971] [2022-01-18 01:00:25,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:25,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:25,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:25,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:25,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:25,611 INFO L87 Difference]: Start difference. First operand 90175 states and 256946 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:27,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:27,051 INFO L93 Difference]: Finished difference Result 96809 states and 273844 transitions. [2022-01-18 01:00:27,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 01:00:27,051 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:27,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:27,245 INFO L225 Difference]: With dead ends: 96809 [2022-01-18 01:00:27,245 INFO L226 Difference]: Without dead ends: 96809 [2022-01-18 01:00:27,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-01-18 01:00:27,246 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1528 mSDsluCounter, 8752 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 9372 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:27,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1528 Valid, 9372 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:27,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96809 states. [2022-01-18 01:00:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96809 to 90163. [2022-01-18 01:00:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90163 states, 90162 states have (on average 2.849459861138839) internal successors, (256913), 90162 states have internal predecessors, (256913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-01-18 01:00:29,499 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-01-18 01:00:29,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:29,499 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-01-18 01:00:29,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-01-18 01:00:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:29,643 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:29,643 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:29,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 01:00:29,643 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -324910814, now seen corresponding path program 19 times [2022-01-18 01:00:29,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:29,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25322920] [2022-01-18 01:00:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:29,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:29,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:29,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25322920] [2022-01-18 01:00:29,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25322920] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:29,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:29,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:29,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017243270] [2022-01-18 01:00:29,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:29,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:29,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:29,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:29,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:29,769 INFO L87 Difference]: Start difference. First operand 90163 states and 256913 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:31,637 INFO L93 Difference]: Finished difference Result 96932 states and 274067 transitions. [2022-01-18 01:00:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:00:31,637 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:31,869 INFO L225 Difference]: With dead ends: 96932 [2022-01-18 01:00:31,869 INFO L226 Difference]: Without dead ends: 96932 [2022-01-18 01:00:31,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=729, Invalid=1721, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 01:00:31,870 INFO L933 BasicCegarLoop]: 760 mSDtfsCounter, 1617 mSDsluCounter, 8901 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 9541 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:31,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1617 Valid, 9541 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:32,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96932 states. [2022-01-18 01:00:33,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96932 to 90159. [2022-01-18 01:00:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-01-18 01:00:33,818 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-01-18 01:00:33,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:33,818 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-01-18 01:00:33,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-01-18 01:00:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:33,980 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:33,980 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:33,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 01:00:33,981 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:33,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:33,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1051130968, now seen corresponding path program 20 times [2022-01-18 01:00:33,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:33,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370865745] [2022-01-18 01:00:33,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:33,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:34,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:34,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370865745] [2022-01-18 01:00:34,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370865745] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:34,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:34,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:34,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532955690] [2022-01-18 01:00:34,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:34,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:34,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:34,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:34,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:34,424 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:35,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:35,810 INFO L93 Difference]: Finished difference Result 96887 states and 274078 transitions. [2022-01-18 01:00:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:00:35,810 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:35,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:36,009 INFO L225 Difference]: With dead ends: 96887 [2022-01-18 01:00:36,010 INFO L226 Difference]: Without dead ends: 96887 [2022-01-18 01:00:36,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:00:36,010 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1504 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 9278 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:36,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1504 Valid, 9278 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96887 states. [2022-01-18 01:00:38,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96887 to 90211. [2022-01-18 01:00:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-01-18 01:00:38,366 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-01-18 01:00:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:38,366 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-01-18 01:00:38,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-01-18 01:00:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:38,516 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:38,516 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:38,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 01:00:38,516 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:38,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:38,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1215908934, now seen corresponding path program 21 times [2022-01-18 01:00:38,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:38,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828806631] [2022-01-18 01:00:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:38,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:38,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:38,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828806631] [2022-01-18 01:00:38,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828806631] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:38,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:38,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:38,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453654005] [2022-01-18 01:00:38,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:38,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:38,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:38,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:38,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:38,659 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:39,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:39,990 INFO L93 Difference]: Finished difference Result 96897 states and 274106 transitions. [2022-01-18 01:00:39,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:00:39,990 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:39,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:40,567 INFO L225 Difference]: With dead ends: 96897 [2022-01-18 01:00:40,568 INFO L226 Difference]: Without dead ends: 96897 [2022-01-18 01:00:40,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=492, Invalid=1230, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:00:40,568 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1492 mSDsluCounter, 8678 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:40,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1492 Valid, 9296 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:40,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96897 states. [2022-01-18 01:00:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96897 to 90207. [2022-01-18 01:00:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-01-18 01:00:42,554 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-01-18 01:00:42,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:42,554 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-01-18 01:00:42,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-01-18 01:00:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:42,710 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:42,710 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:42,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 01:00:42,710 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1145001900, now seen corresponding path program 22 times [2022-01-18 01:00:42,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:42,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203869032] [2022-01-18 01:00:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:42,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:42,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:42,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203869032] [2022-01-18 01:00:42,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203869032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:42,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:42,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:42,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568689373] [2022-01-18 01:00:42,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:42,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:42,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:42,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:42,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:42,835 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:44,518 INFO L93 Difference]: Finished difference Result 96938 states and 274187 transitions. [2022-01-18 01:00:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:00:44,518 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:44,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:44,721 INFO L225 Difference]: With dead ends: 96938 [2022-01-18 01:00:44,722 INFO L226 Difference]: Without dead ends: 96938 [2022-01-18 01:00:44,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=589, Invalid=1391, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:00:44,722 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1535 mSDsluCounter, 8651 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:44,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 9268 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:00:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96938 states. [2022-01-18 01:00:46,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96938 to 90195. [2022-01-18 01:00:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90195 states, 90194 states have (on average 2.849424573696698) internal successors, (257001), 90194 states have internal predecessors, (257001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-01-18 01:00:47,109 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-01-18 01:00:47,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:47,110 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-01-18 01:00:47,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-01-18 01:00:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:47,254 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:47,254 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:47,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 01:00:47,255 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:47,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash -918307488, now seen corresponding path program 23 times [2022-01-18 01:00:47,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:47,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111001088] [2022-01-18 01:00:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:47,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:47,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:47,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111001088] [2022-01-18 01:00:47,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111001088] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:47,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:47,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:47,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181648885] [2022-01-18 01:00:47,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:47,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:47,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:47,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:47,373 INFO L87 Difference]: Start difference. First operand 90195 states and 257001 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:48,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:48,717 INFO L93 Difference]: Finished difference Result 96924 states and 274161 transitions. [2022-01-18 01:00:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:00:48,718 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:49,264 INFO L225 Difference]: With dead ends: 96924 [2022-01-18 01:00:49,265 INFO L226 Difference]: Without dead ends: 96924 [2022-01-18 01:00:49,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1225, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:00:49,265 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1501 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 9284 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:49,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1501 Valid, 9284 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:49,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96924 states. [2022-01-18 01:00:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96924 to 90211. [2022-01-18 01:00:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-01-18 01:00:51,210 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-01-18 01:00:51,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:51,210 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-01-18 01:00:51,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-01-18 01:00:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:51,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:51,355 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:51,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 01:00:51,355 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:51,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:51,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1348732414, now seen corresponding path program 24 times [2022-01-18 01:00:51,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:51,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251914795] [2022-01-18 01:00:51,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:51,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:51,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:51,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251914795] [2022-01-18 01:00:51,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251914795] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:51,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:51,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:51,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134716260] [2022-01-18 01:00:51,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:51,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:51,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:51,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:51,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:51,486 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:53,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:53,134 INFO L93 Difference]: Finished difference Result 96930 states and 274182 transitions. [2022-01-18 01:00:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:00:53,135 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:53,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:53,357 INFO L225 Difference]: With dead ends: 96930 [2022-01-18 01:00:53,357 INFO L226 Difference]: Without dead ends: 96930 [2022-01-18 01:00:53,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:00:53,357 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1495 mSDsluCounter, 8686 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 9306 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:53,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1495 Valid, 9306 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:53,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96930 states. [2022-01-18 01:00:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96930 to 90207. [2022-01-18 01:00:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:55,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-01-18 01:00:55,675 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-01-18 01:00:55,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:55,675 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-01-18 01:00:55,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-01-18 01:00:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:55,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:55,825 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:55,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 01:00:55,826 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:55,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash 358166328, now seen corresponding path program 25 times [2022-01-18 01:00:55,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:55,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35822498] [2022-01-18 01:00:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:55,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:00:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:00:55,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:00:55,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35822498] [2022-01-18 01:00:55,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35822498] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:00:55,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:00:55,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:00:55,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43068290] [2022-01-18 01:00:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:00:55,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:00:55,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:00:55,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:00:55,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:00:55,946 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:57,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:00:57,341 INFO L93 Difference]: Finished difference Result 96962 states and 274250 transitions. [2022-01-18 01:00:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:00:57,342 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:00:57,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:00:57,920 INFO L225 Difference]: With dead ends: 96962 [2022-01-18 01:00:57,920 INFO L226 Difference]: Without dead ends: 96962 [2022-01-18 01:00:57,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:00:57,921 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1522 mSDsluCounter, 8716 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 9340 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:00:57,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 9340 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:00:58,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96962 states. [2022-01-18 01:00:59,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96962 to 90147. [2022-01-18 01:00:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90147 states, 90146 states have (on average 2.8494775142546533) internal successors, (256869), 90146 states have internal predecessors, (256869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90147 states to 90147 states and 256869 transitions. [2022-01-18 01:00:59,810 INFO L78 Accepts]: Start accepts. Automaton has 90147 states and 256869 transitions. Word has length 231 [2022-01-18 01:00:59,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:00:59,814 INFO L470 AbstractCegarLoop]: Abstraction has 90147 states and 256869 transitions. [2022-01-18 01:00:59,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:00:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 90147 states and 256869 transitions. [2022-01-18 01:00:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:00:59,966 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:00:59,967 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:00:59,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 01:00:59,967 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:00:59,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:00:59,967 INFO L85 PathProgramCache]: Analyzing trace with hash 494457068, now seen corresponding path program 26 times [2022-01-18 01:00:59,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:00:59,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882429557] [2022-01-18 01:00:59,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:00:59,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:00:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:00,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:00,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882429557] [2022-01-18 01:01:00,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882429557] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:00,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:00,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:00,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718556102] [2022-01-18 01:01:00,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:00,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:00,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:00,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:00,083 INFO L87 Difference]: Start difference. First operand 90147 states and 256869 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:01,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:01,781 INFO L93 Difference]: Finished difference Result 96650 states and 273445 transitions. [2022-01-18 01:01:01,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:01:01,781 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:01,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:01,981 INFO L225 Difference]: With dead ends: 96650 [2022-01-18 01:01:01,981 INFO L226 Difference]: Without dead ends: 96650 [2022-01-18 01:01:01,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:01:01,982 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1497 mSDsluCounter, 8656 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 9271 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:01,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1497 Valid, 9271 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:02,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96650 states. [2022-01-18 01:01:03,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96650 to 90211. [2022-01-18 01:01:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-01-18 01:01:04,334 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-01-18 01:01:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:04,335 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-01-18 01:01:04,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-01-18 01:01:04,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:04,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:04,489 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:04,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 01:01:04,489 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:04,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:04,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1533470326, now seen corresponding path program 27 times [2022-01-18 01:01:04,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:04,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616792813] [2022-01-18 01:01:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:04,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:04,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:04,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616792813] [2022-01-18 01:01:04,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616792813] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:04,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:04,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:04,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370229302] [2022-01-18 01:01:04,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:04,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:04,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:04,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:04,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:04,609 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:05,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:05,917 INFO L93 Difference]: Finished difference Result 96672 states and 273506 transitions. [2022-01-18 01:01:05,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:01:05,917 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:05,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:06,117 INFO L225 Difference]: With dead ends: 96672 [2022-01-18 01:01:06,117 INFO L226 Difference]: Without dead ends: 96672 [2022-01-18 01:01:06,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1225, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:01:06,118 INFO L933 BasicCegarLoop]: 716 mSDtfsCounter, 1485 mSDsluCounter, 8649 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:06,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1485 Valid, 9268 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96672 states. [2022-01-18 01:01:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96672 to 90207. [2022-01-18 01:01:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-01-18 01:01:08,310 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-01-18 01:01:08,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:08,310 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-01-18 01:01:08,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-01-18 01:01:08,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:08,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:08,460 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:08,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 01:01:08,461 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:08,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:08,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1604377360, now seen corresponding path program 28 times [2022-01-18 01:01:08,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:08,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886298772] [2022-01-18 01:01:08,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:08,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:08,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:08,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886298772] [2022-01-18 01:01:08,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886298772] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:08,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:08,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:08,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332218560] [2022-01-18 01:01:08,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:08,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:08,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:08,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:08,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:08,590 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:10,476 INFO L93 Difference]: Finished difference Result 96806 states and 273824 transitions. [2022-01-18 01:01:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:01:10,476 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:10,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:10,678 INFO L225 Difference]: With dead ends: 96806 [2022-01-18 01:01:10,678 INFO L226 Difference]: Without dead ends: 96806 [2022-01-18 01:01:10,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:01:10,678 INFO L933 BasicCegarLoop]: 727 mSDtfsCounter, 1529 mSDsluCounter, 8680 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 9298 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:10,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1529 Valid, 9298 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 01:01:10,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96806 states. [2022-01-18 01:01:12,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96806 to 90195. [2022-01-18 01:01:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90195 states, 90194 states have (on average 2.849424573696698) internal successors, (257001), 90194 states have internal predecessors, (257001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-01-18 01:01:13,024 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-01-18 01:01:13,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:13,025 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-01-18 01:01:13,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-01-18 01:01:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:13,184 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:13,184 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:13,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 01:01:13,185 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:13,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash -360441112, now seen corresponding path program 29 times [2022-01-18 01:01:13,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:13,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800488458] [2022-01-18 01:01:13,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:13,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:13,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:13,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800488458] [2022-01-18 01:01:13,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800488458] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:13,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:13,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:13,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808726895] [2022-01-18 01:01:13,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:13,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:13,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:13,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:13,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:13,307 INFO L87 Difference]: Start difference. First operand 90195 states and 257001 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:14,644 INFO L93 Difference]: Finished difference Result 96666 states and 273489 transitions. [2022-01-18 01:01:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:01:14,644 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:14,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:14,838 INFO L225 Difference]: With dead ends: 96666 [2022-01-18 01:01:14,838 INFO L226 Difference]: Without dead ends: 96666 [2022-01-18 01:01:14,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=492, Invalid=1230, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:01:14,839 INFO L933 BasicCegarLoop]: 720 mSDtfsCounter, 1490 mSDsluCounter, 8662 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 9279 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:14,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1490 Valid, 9279 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:14,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96666 states. [2022-01-18 01:01:16,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96666 to 90211. [2022-01-18 01:01:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-01-18 01:01:17,035 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-01-18 01:01:17,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:17,035 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-01-18 01:01:17,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-01-18 01:01:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:17,180 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:17,180 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:17,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 01:01:17,180 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:17,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:17,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1906598790, now seen corresponding path program 30 times [2022-01-18 01:01:17,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:17,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480292911] [2022-01-18 01:01:17,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:17,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:17,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:17,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480292911] [2022-01-18 01:01:17,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480292911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:17,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:17,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:17,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590552770] [2022-01-18 01:01:17,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:17,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:17,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:17,306 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:19,044 INFO L93 Difference]: Finished difference Result 96668 states and 273499 transitions. [2022-01-18 01:01:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:01:19,045 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:19,239 INFO L225 Difference]: With dead ends: 96668 [2022-01-18 01:01:19,239 INFO L226 Difference]: Without dead ends: 96668 [2022-01-18 01:01:19,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:01:19,239 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 1484 mSDsluCounter, 8661 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 9283 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:19,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1484 Valid, 9283 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:19,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-01-18 01:01:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90207. [2022-01-18 01:01:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-01-18 01:01:21,220 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-01-18 01:01:21,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:21,221 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-01-18 01:01:21,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-01-18 01:01:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:21,717 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:21,717 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:21,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 01:01:21,717 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:21,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 916032704, now seen corresponding path program 31 times [2022-01-18 01:01:21,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:21,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911450416] [2022-01-18 01:01:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:21,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:21,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:21,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911450416] [2022-01-18 01:01:21,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911450416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:21,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:21,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:21,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047561918] [2022-01-18 01:01:21,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:21,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:21,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:21,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:21,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:21,913 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:23,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:23,286 INFO L93 Difference]: Finished difference Result 96668 states and 273491 transitions. [2022-01-18 01:01:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:01:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:23,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:23,492 INFO L225 Difference]: With dead ends: 96668 [2022-01-18 01:01:23,492 INFO L226 Difference]: Without dead ends: 96668 [2022-01-18 01:01:23,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=589, Invalid=1391, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:01:23,493 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1507 mSDsluCounter, 8679 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:23,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 9304 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:23,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-01-18 01:01:25,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90159. [2022-01-18 01:01:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-01-18 01:01:25,766 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-01-18 01:01:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:25,766 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-01-18 01:01:25,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-01-18 01:01:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:25,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:25,936 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:25,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 01:01:25,936 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:25,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash -987811792, now seen corresponding path program 32 times [2022-01-18 01:01:25,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:25,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312910969] [2022-01-18 01:01:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:25,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:26,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:26,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312910969] [2022-01-18 01:01:26,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312910969] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:26,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:26,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:26,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69743646] [2022-01-18 01:01:26,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:26,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:26,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:26,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:26,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:26,053 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:27,710 INFO L93 Difference]: Finished difference Result 96478 states and 272984 transitions. [2022-01-18 01:01:27,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:01:27,711 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:27,924 INFO L225 Difference]: With dead ends: 96478 [2022-01-18 01:01:27,925 INFO L226 Difference]: Without dead ends: 96478 [2022-01-18 01:01:27,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:01:27,925 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 1489 mSDsluCounter, 8679 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 9295 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:27,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1489 Valid, 9295 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:28,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96478 states. [2022-01-18 01:01:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96478 to 90179. [2022-01-18 01:01:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90179 states, 90178 states have (on average 2.8494422142872984) internal successors, (256957), 90178 states have internal predecessors, (256957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-01-18 01:01:29,968 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-01-18 01:01:29,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:29,968 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-01-18 01:01:29,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-01-18 01:01:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:30,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:30,117 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:30,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 01:01:30,118 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:30,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:30,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1279228110, now seen corresponding path program 33 times [2022-01-18 01:01:30,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:30,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320990005] [2022-01-18 01:01:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:30,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:30,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:30,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320990005] [2022-01-18 01:01:30,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320990005] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:30,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:30,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:30,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571541098] [2022-01-18 01:01:30,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:30,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:30,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:30,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:30,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:30,238 INFO L87 Difference]: Start difference. First operand 90179 states and 256957 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:31,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:31,829 INFO L93 Difference]: Finished difference Result 96456 states and 272932 transitions. [2022-01-18 01:01:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:01:31,830 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:32,040 INFO L225 Difference]: With dead ends: 96456 [2022-01-18 01:01:32,041 INFO L226 Difference]: Without dead ends: 96456 [2022-01-18 01:01:32,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=475, Invalid=1165, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:01:32,041 INFO L933 BasicCegarLoop]: 717 mSDtfsCounter, 1478 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 9284 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:32,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1478 Valid, 9284 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 01:01:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96456 states. [2022-01-18 01:01:34,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96456 to 90175. [2022-01-18 01:01:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90175 states, 90174 states have (on average 2.84944662541309) internal successors, (256946), 90174 states have internal predecessors, (256946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-01-18 01:01:34,406 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-01-18 01:01:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:34,406 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-01-18 01:01:34,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-01-18 01:01:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:34,559 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:34,559 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:34,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 01:01:34,559 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:34,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1208321076, now seen corresponding path program 34 times [2022-01-18 01:01:34,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:34,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754657631] [2022-01-18 01:01:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:34,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:34,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:34,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754657631] [2022-01-18 01:01:34,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754657631] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:34,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:34,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:34,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689058583] [2022-01-18 01:01:34,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:34,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:34,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:34,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:34,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:34,677 INFO L87 Difference]: Start difference. First operand 90175 states and 256946 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:36,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:36,476 INFO L93 Difference]: Finished difference Result 96581 states and 273240 transitions. [2022-01-18 01:01:36,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 01:01:36,477 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:36,688 INFO L225 Difference]: With dead ends: 96581 [2022-01-18 01:01:36,688 INFO L226 Difference]: Without dead ends: 96581 [2022-01-18 01:01:36,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-01-18 01:01:36,688 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1530 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 9328 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:36,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1530 Valid, 9328 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:36,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96581 states. [2022-01-18 01:01:38,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96581 to 90163. [2022-01-18 01:01:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90163 states, 90162 states have (on average 2.849459861138839) internal successors, (256913), 90162 states have internal predecessors, (256913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-01-18 01:01:38,764 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-01-18 01:01:38,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:38,764 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-01-18 01:01:38,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:38,764 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-01-18 01:01:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:38,913 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:38,913 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:38,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 01:01:38,913 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1359797848, now seen corresponding path program 35 times [2022-01-18 01:01:38,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:38,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361943735] [2022-01-18 01:01:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:38,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:39,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:39,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361943735] [2022-01-18 01:01:39,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361943735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:39,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:39,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:39,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051990359] [2022-01-18 01:01:39,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:39,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:39,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:39,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:39,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:39,043 INFO L87 Difference]: Start difference. First operand 90163 states and 256913 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:40,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:40,857 INFO L93 Difference]: Finished difference Result 96278 states and 272508 transitions. [2022-01-18 01:01:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:01:40,858 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:40,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:41,060 INFO L225 Difference]: With dead ends: 96278 [2022-01-18 01:01:41,060 INFO L226 Difference]: Without dead ends: 96278 [2022-01-18 01:01:41,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=706, Invalid=1646, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:01:41,060 INFO L933 BasicCegarLoop]: 730 mSDtfsCounter, 1500 mSDsluCounter, 8694 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:41,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 9318 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:41,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96278 states. [2022-01-18 01:01:43,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96278 to 90186. [2022-01-18 01:01:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90186 states, 90185 states have (on average 2.849365193768365) internal successors, (256970), 90185 states have internal predecessors, (256970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90186 states to 90186 states and 256970 transitions. [2022-01-18 01:01:43,403 INFO L78 Accepts]: Start accepts. Automaton has 90186 states and 256970 transitions. Word has length 231 [2022-01-18 01:01:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:43,403 INFO L470 AbstractCegarLoop]: Abstraction has 90186 states and 256970 transitions. [2022-01-18 01:01:43,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 90186 states and 256970 transitions. [2022-01-18 01:01:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:43,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:43,548 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:43,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 01:01:43,548 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:43,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1655588192, now seen corresponding path program 36 times [2022-01-18 01:01:43,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:43,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106919033] [2022-01-18 01:01:43,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:43,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:43,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:43,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106919033] [2022-01-18 01:01:43,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106919033] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:43,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:43,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:43,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319080101] [2022-01-18 01:01:43,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:43,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:43,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:43,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:43,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:43,663 INFO L87 Difference]: Start difference. First operand 90186 states and 256970 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:44,946 INFO L93 Difference]: Finished difference Result 96226 states and 272442 transitions. [2022-01-18 01:01:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:01:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:45,527 INFO L225 Difference]: With dead ends: 96226 [2022-01-18 01:01:45,527 INFO L226 Difference]: Without dead ends: 96226 [2022-01-18 01:01:45,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=457, Invalid=1103, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:01:45,527 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1195 mSDsluCounter, 8722 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 9335 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:45,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1195 Valid, 9335 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96226 states. [2022-01-18 01:01:47,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96226 to 90274. [2022-01-18 01:01:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90274 states, 90273 states have (on average 2.8492683305085684) internal successors, (257212), 90273 states have internal predecessors, (257212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90274 states to 90274 states and 257212 transitions. [2022-01-18 01:01:47,429 INFO L78 Accepts]: Start accepts. Automaton has 90274 states and 257212 transitions. Word has length 231 [2022-01-18 01:01:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:47,429 INFO L470 AbstractCegarLoop]: Abstraction has 90274 states and 257212 transitions. [2022-01-18 01:01:47,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 90274 states and 257212 transitions. [2022-01-18 01:01:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:47,584 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:47,584 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:47,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 01:01:47,584 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:47,585 INFO L85 PathProgramCache]: Analyzing trace with hash 611451710, now seen corresponding path program 37 times [2022-01-18 01:01:47,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:47,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146976167] [2022-01-18 01:01:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:47,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:47,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:47,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146976167] [2022-01-18 01:01:47,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146976167] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:47,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:47,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:47,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701731910] [2022-01-18 01:01:47,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:47,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:47,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:47,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:47,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:47,700 INFO L87 Difference]: Start difference. First operand 90274 states and 257212 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:49,314 INFO L93 Difference]: Finished difference Result 96350 states and 272726 transitions. [2022-01-18 01:01:49,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:01:49,314 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:49,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:49,513 INFO L225 Difference]: With dead ends: 96350 [2022-01-18 01:01:49,514 INFO L226 Difference]: Without dead ends: 96350 [2022-01-18 01:01:49,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=493, Invalid=1229, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:01:49,514 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1169 mSDsluCounter, 8901 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 9536 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:49,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1169 Valid, 9536 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:49,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96350 states. [2022-01-18 01:01:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96350 to 90270. [2022-01-18 01:01:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90270 states, 90269 states have (on average 2.849272729286909) internal successors, (257201), 90269 states have internal predecessors, (257201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90270 states to 90270 states and 257201 transitions. [2022-01-18 01:01:51,858 INFO L78 Accepts]: Start accepts. Automaton has 90270 states and 257201 transitions. Word has length 231 [2022-01-18 01:01:51,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:51,858 INFO L470 AbstractCegarLoop]: Abstraction has 90270 states and 257201 transitions. [2022-01-18 01:01:51,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 90270 states and 257201 transitions. [2022-01-18 01:01:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:52,012 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:52,013 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:52,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 01:01:52,013 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:52,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:52,013 INFO L85 PathProgramCache]: Analyzing trace with hash -379114376, now seen corresponding path program 38 times [2022-01-18 01:01:52,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:52,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982472109] [2022-01-18 01:01:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:52,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:52,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:52,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982472109] [2022-01-18 01:01:52,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982472109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:52,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:52,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:52,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84511416] [2022-01-18 01:01:52,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:52,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:52,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:52,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:52,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:52,138 INFO L87 Difference]: Start difference. First operand 90270 states and 257201 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:53,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:53,550 INFO L93 Difference]: Finished difference Result 96430 states and 272930 transitions. [2022-01-18 01:01:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:01:53,550 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:53,745 INFO L225 Difference]: With dead ends: 96430 [2022-01-18 01:01:53,745 INFO L226 Difference]: Without dead ends: 96430 [2022-01-18 01:01:53,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:01:53,746 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1203 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 9575 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:53,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1203 Valid, 9575 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:54,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96430 states. [2022-01-18 01:01:55,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96430 to 90258. [2022-01-18 01:01:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90258 states, 90257 states have (on average 2.849285927961266) internal successors, (257168), 90257 states have internal predecessors, (257168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90258 states to 90258 states and 257168 transitions. [2022-01-18 01:01:55,955 INFO L78 Accepts]: Start accepts. Automaton has 90258 states and 257168 transitions. Word has length 231 [2022-01-18 01:01:55,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:01:55,955 INFO L470 AbstractCegarLoop]: Abstraction has 90258 states and 257168 transitions. [2022-01-18 01:01:55,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 90258 states and 257168 transitions. [2022-01-18 01:01:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:01:56,106 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:01:56,107 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:01:56,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 01:01:56,107 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:01:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:01:56,107 INFO L85 PathProgramCache]: Analyzing trace with hash -468104302, now seen corresponding path program 39 times [2022-01-18 01:01:56,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:01:56,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822308757] [2022-01-18 01:01:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:01:56,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:01:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:01:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:01:56,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:01:56,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822308757] [2022-01-18 01:01:56,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822308757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:01:56,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:01:56,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:01:56,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491609516] [2022-01-18 01:01:56,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:01:56,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:01:56,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:01:56,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:01:56,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:01:56,223 INFO L87 Difference]: Start difference. First operand 90258 states and 257168 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:01:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:01:58,010 INFO L93 Difference]: Finished difference Result 96466 states and 273017 transitions. [2022-01-18 01:01:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:01:58,011 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:01:58,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:01:58,214 INFO L225 Difference]: With dead ends: 96466 [2022-01-18 01:01:58,214 INFO L226 Difference]: Without dead ends: 96466 [2022-01-18 01:01:58,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=688, Invalid=1568, Unknown=0, NotChecked=0, Total=2256 [2022-01-18 01:01:58,215 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 1265 mSDsluCounter, 8917 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 9559 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:01:58,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 9559 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:01:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96466 states. [2022-01-18 01:01:59,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96466 to 90254. [2022-01-18 01:02:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90254 states, 90253 states have (on average 2.8492903282993365) internal successors, (257157), 90253 states have internal predecessors, (257157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90254 states to 90254 states and 257157 transitions. [2022-01-18 01:02:00,565 INFO L78 Accepts]: Start accepts. Automaton has 90254 states and 257157 transitions. Word has length 231 [2022-01-18 01:02:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:00,565 INFO L470 AbstractCegarLoop]: Abstraction has 90254 states and 257157 transitions. [2022-01-18 01:02:00,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 90254 states and 257157 transitions. [2022-01-18 01:02:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:00,709 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:00,709 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:00,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 01:02:00,710 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:00,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1194324456, now seen corresponding path program 40 times [2022-01-18 01:02:00,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:00,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920351595] [2022-01-18 01:02:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:00,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:00,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:00,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920351595] [2022-01-18 01:02:00,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920351595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:00,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:00,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:00,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745674056] [2022-01-18 01:02:00,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:00,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:00,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:00,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:00,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:00,831 INFO L87 Difference]: Start difference. First operand 90254 states and 257157 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:02,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:02,154 INFO L93 Difference]: Finished difference Result 96592 states and 273367 transitions. [2022-01-18 01:02:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:02:02,154 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:02,344 INFO L225 Difference]: With dead ends: 96592 [2022-01-18 01:02:02,344 INFO L226 Difference]: Without dead ends: 96592 [2022-01-18 01:02:02,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=503, Invalid=1219, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:02:02,345 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1179 mSDsluCounter, 8840 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 9475 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:02,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1179 Valid, 9475 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:02,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96592 states. [2022-01-18 01:02:04,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96592 to 90306. [2022-01-18 01:02:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90306 states, 90305 states have (on average 2.8492331543103924) internal successors, (257300), 90305 states have internal predecessors, (257300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-01-18 01:02:04,595 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-01-18 01:02:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:04,595 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-01-18 01:02:04,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-01-18 01:02:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:04,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:04,741 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:04,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 01:02:04,741 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:04,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1072715446, now seen corresponding path program 41 times [2022-01-18 01:02:04,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:04,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119063531] [2022-01-18 01:02:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:04,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:04,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:04,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119063531] [2022-01-18 01:02:04,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119063531] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:04,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:04,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:04,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193520521] [2022-01-18 01:02:04,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:04,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:04,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:04,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:04,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:04,857 INFO L87 Difference]: Start difference. First operand 90306 states and 257300 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:06,554 INFO L93 Difference]: Finished difference Result 96602 states and 273395 transitions. [2022-01-18 01:02:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:02:06,554 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:06,752 INFO L225 Difference]: With dead ends: 96602 [2022-01-18 01:02:06,752 INFO L226 Difference]: Without dead ends: 96602 [2022-01-18 01:02:06,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=474, Invalid=1166, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:02:06,753 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 1167 mSDsluCounter, 8856 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 9495 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:06,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 9495 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:06,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96602 states. [2022-01-18 01:02:08,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96602 to 90302. [2022-01-18 01:02:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90302 states, 90301 states have (on average 2.849237549971761) internal successors, (257289), 90301 states have internal predecessors, (257289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-01-18 01:02:08,830 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-01-18 01:02:08,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:08,830 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-01-18 01:02:08,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-01-18 01:02:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:09,308 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:09,308 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:09,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 01:02:09,308 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:09,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1001808412, now seen corresponding path program 42 times [2022-01-18 01:02:09,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:09,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292705204] [2022-01-18 01:02:09,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:09,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:09,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:09,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292705204] [2022-01-18 01:02:09,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292705204] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:09,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:09,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:09,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802936118] [2022-01-18 01:02:09,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:09,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:09,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:09,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:09,422 INFO L87 Difference]: Start difference. First operand 90302 states and 257289 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:10,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:10,820 INFO L93 Difference]: Finished difference Result 96643 states and 273476 transitions. [2022-01-18 01:02:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 01:02:10,823 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:11,018 INFO L225 Difference]: With dead ends: 96643 [2022-01-18 01:02:11,018 INFO L226 Difference]: Without dead ends: 96643 [2022-01-18 01:02:11,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=571, Invalid=1321, Unknown=0, NotChecked=0, Total=1892 [2022-01-18 01:02:11,019 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 1210 mSDsluCounter, 8821 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 9459 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:11,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 9459 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:11,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96643 states. [2022-01-18 01:02:12,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96643 to 90290. [2022-01-18 01:02:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90290 states, 90289 states have (on average 2.8492507392927156) internal successors, (257256), 90289 states have internal predecessors, (257256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90290 states to 90290 states and 257256 transitions. [2022-01-18 01:02:13,281 INFO L78 Accepts]: Start accepts. Automaton has 90290 states and 257256 transitions. Word has length 231 [2022-01-18 01:02:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:13,281 INFO L470 AbstractCegarLoop]: Abstraction has 90290 states and 257256 transitions. [2022-01-18 01:02:13,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 90290 states and 257256 transitions. [2022-01-18 01:02:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:13,438 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:13,438 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:13,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 01:02:13,438 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:13,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:13,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1061500976, now seen corresponding path program 43 times [2022-01-18 01:02:13,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:13,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147712036] [2022-01-18 01:02:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:13,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:13,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:13,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147712036] [2022-01-18 01:02:13,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147712036] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:13,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:13,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:13,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143732502] [2022-01-18 01:02:13,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:13,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:13,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:13,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:13,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:13,554 INFO L87 Difference]: Start difference. First operand 90290 states and 257256 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:15,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:15,261 INFO L93 Difference]: Finished difference Result 96629 states and 273450 transitions. [2022-01-18 01:02:15,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:02:15,261 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:15,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:15,467 INFO L225 Difference]: With dead ends: 96629 [2022-01-18 01:02:15,467 INFO L226 Difference]: Without dead ends: 96629 [2022-01-18 01:02:15,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=479, Invalid=1161, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:02:15,468 INFO L933 BasicCegarLoop]: 751 mSDtfsCounter, 1176 mSDsluCounter, 8847 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 9484 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:15,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 9484 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96629 states. [2022-01-18 01:02:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96629 to 90306. [2022-01-18 01:02:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90306 states, 90305 states have (on average 2.8492331543103924) internal successors, (257300), 90305 states have internal predecessors, (257300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-01-18 01:02:17,473 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-01-18 01:02:17,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:17,473 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-01-18 01:02:17,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-01-18 01:02:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:17,628 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:17,628 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:17,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 01:02:17,628 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:17,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:17,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1205538926, now seen corresponding path program 44 times [2022-01-18 01:02:17,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:17,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360385454] [2022-01-18 01:02:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:17,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:18,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:18,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360385454] [2022-01-18 01:02:18,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360385454] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:18,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:18,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:18,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242247687] [2022-01-18 01:02:18,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:18,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:18,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:18,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:18,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:18,037 INFO L87 Difference]: Start difference. First operand 90306 states and 257300 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:19,358 INFO L93 Difference]: Finished difference Result 96635 states and 273471 transitions. [2022-01-18 01:02:19,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:02:19,358 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:19,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:19,559 INFO L225 Difference]: With dead ends: 96635 [2022-01-18 01:02:19,559 INFO L226 Difference]: Without dead ends: 96635 [2022-01-18 01:02:19,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=498, Invalid=1224, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:02:19,559 INFO L933 BasicCegarLoop]: 750 mSDtfsCounter, 1170 mSDsluCounter, 8867 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 9508 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:19,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 9508 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:19,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96635 states. [2022-01-18 01:02:21,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96635 to 90302. [2022-01-18 01:02:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90302 states, 90301 states have (on average 2.849237549971761) internal successors, (257289), 90301 states have internal predecessors, (257289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-01-18 01:02:21,855 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-01-18 01:02:21,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:21,855 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-01-18 01:02:21,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-01-18 01:02:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:22,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:22,011 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:22,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 01:02:22,011 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash 214972840, now seen corresponding path program 45 times [2022-01-18 01:02:22,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:22,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154549498] [2022-01-18 01:02:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:22,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:22,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:22,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154549498] [2022-01-18 01:02:22,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154549498] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:22,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:22,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:22,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180259010] [2022-01-18 01:02:22,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:22,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:22,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:22,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:22,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:22,129 INFO L87 Difference]: Start difference. First operand 90302 states and 257289 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:23,895 INFO L93 Difference]: Finished difference Result 96667 states and 273539 transitions. [2022-01-18 01:02:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:02:23,895 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:24,116 INFO L225 Difference]: With dead ends: 96667 [2022-01-18 01:02:24,116 INFO L226 Difference]: Without dead ends: 96667 [2022-01-18 01:02:24,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=588, Invalid=1392, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:02:24,116 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 1197 mSDsluCounter, 8896 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 9541 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:24,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 9541 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96667 states. [2022-01-18 01:02:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96667 to 90242. [2022-01-18 01:02:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90242 states, 90241 states have (on average 2.849303531654126) internal successors, (257124), 90241 states have internal predecessors, (257124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90242 states to 90242 states and 257124 transitions. [2022-01-18 01:02:26,048 INFO L78 Accepts]: Start accepts. Automaton has 90242 states and 257124 transitions. Word has length 231 [2022-01-18 01:02:26,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:26,049 INFO L470 AbstractCegarLoop]: Abstraction has 90242 states and 257124 transitions. [2022-01-18 01:02:26,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 90242 states and 257124 transitions. [2022-01-18 01:02:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:26,191 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:26,191 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:26,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 01:02:26,191 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:26,192 INFO L85 PathProgramCache]: Analyzing trace with hash 351263580, now seen corresponding path program 46 times [2022-01-18 01:02:26,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:26,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982751054] [2022-01-18 01:02:26,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:26,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:26,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:26,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982751054] [2022-01-18 01:02:26,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982751054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:26,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:26,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:26,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427291127] [2022-01-18 01:02:26,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:26,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:26,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:26,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:26,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:26,305 INFO L87 Difference]: Start difference. First operand 90242 states and 257124 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:27,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:27,916 INFO L93 Difference]: Finished difference Result 96853 states and 274042 transitions. [2022-01-18 01:02:27,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:02:27,916 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:27,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:28,111 INFO L225 Difference]: With dead ends: 96853 [2022-01-18 01:02:28,111 INFO L226 Difference]: Without dead ends: 96853 [2022-01-18 01:02:28,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=498, Invalid=1224, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:02:28,112 INFO L933 BasicCegarLoop]: 751 mSDtfsCounter, 1178 mSDsluCounter, 8860 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 9502 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:28,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1178 Valid, 9502 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:02:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96853 states. [2022-01-18 01:02:30,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96853 to 90306. [2022-01-18 01:02:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90306 states, 90305 states have (on average 2.8492331543103924) internal successors, (257300), 90305 states have internal predecessors, (257300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:30,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-01-18 01:02:30,473 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-01-18 01:02:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:30,473 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-01-18 01:02:30,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-01-18 01:02:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:30,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:30,614 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:30,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 01:02:30,614 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:30,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:30,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1676663814, now seen corresponding path program 47 times [2022-01-18 01:02:30,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:30,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286991221] [2022-01-18 01:02:30,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:30,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:30,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:30,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286991221] [2022-01-18 01:02:30,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286991221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:30,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:30,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:30,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279616313] [2022-01-18 01:02:30,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:30,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:30,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:30,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:30,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:30,733 INFO L87 Difference]: Start difference. First operand 90306 states and 257300 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:32,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:32,056 INFO L93 Difference]: Finished difference Result 96875 states and 274103 transitions. [2022-01-18 01:02:32,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:02:32,056 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:32,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:32,254 INFO L225 Difference]: With dead ends: 96875 [2022-01-18 01:02:32,254 INFO L226 Difference]: Without dead ends: 96875 [2022-01-18 01:02:32,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=479, Invalid=1161, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:02:32,254 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1166 mSDsluCounter, 8857 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 9503 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:32,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 9503 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:32,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96875 states. [2022-01-18 01:02:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96875 to 90302. [2022-01-18 01:02:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90302 states, 90301 states have (on average 2.849237549971761) internal successors, (257289), 90301 states have internal predecessors, (257289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-01-18 01:02:34,483 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-01-18 01:02:34,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:34,484 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-01-18 01:02:34,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-01-18 01:02:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:34,625 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:34,625 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:34,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 01:02:34,625 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:34,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1747570848, now seen corresponding path program 48 times [2022-01-18 01:02:34,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:34,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605190250] [2022-01-18 01:02:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:34,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:34,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:34,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605190250] [2022-01-18 01:02:34,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605190250] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:34,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:34,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:34,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516152745] [2022-01-18 01:02:34,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:34,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:34,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:34,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:34,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:34,739 INFO L87 Difference]: Start difference. First operand 90302 states and 257289 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:36,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:36,509 INFO L93 Difference]: Finished difference Result 97009 states and 274421 transitions. [2022-01-18 01:02:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:02:36,510 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:36,709 INFO L225 Difference]: With dead ends: 97009 [2022-01-18 01:02:36,709 INFO L226 Difference]: Without dead ends: 97009 [2022-01-18 01:02:36,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=588, Invalid=1392, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:02:36,709 INFO L933 BasicCegarLoop]: 760 mSDtfsCounter, 1210 mSDsluCounter, 8878 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 9523 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:36,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 9523 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97009 states. [2022-01-18 01:02:38,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97009 to 90290. [2022-01-18 01:02:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90290 states, 90289 states have (on average 2.8492507392927156) internal successors, (257256), 90289 states have internal predecessors, (257256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90290 states to 90290 states and 257256 transitions. [2022-01-18 01:02:39,074 INFO L78 Accepts]: Start accepts. Automaton has 90290 states and 257256 transitions. Word has length 231 [2022-01-18 01:02:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:39,074 INFO L470 AbstractCegarLoop]: Abstraction has 90290 states and 257256 transitions. [2022-01-18 01:02:39,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 90290 states and 257256 transitions. [2022-01-18 01:02:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:39,210 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:39,210 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:39,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 01:02:39,211 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:39,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:39,211 INFO L85 PathProgramCache]: Analyzing trace with hash -503634600, now seen corresponding path program 49 times [2022-01-18 01:02:39,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:39,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848184904] [2022-01-18 01:02:39,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:39,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:39,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:39,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848184904] [2022-01-18 01:02:39,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848184904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:39,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:39,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:39,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393988171] [2022-01-18 01:02:39,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:39,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:39,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:39,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:39,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:39,326 INFO L87 Difference]: Start difference. First operand 90290 states and 257256 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:40,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:40,657 INFO L93 Difference]: Finished difference Result 96869 states and 274086 transitions. [2022-01-18 01:02:40,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:02:40,657 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:40,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:40,870 INFO L225 Difference]: With dead ends: 96869 [2022-01-18 01:02:40,870 INFO L226 Difference]: Without dead ends: 96869 [2022-01-18 01:02:40,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=474, Invalid=1166, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:02:40,870 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 1171 mSDsluCounter, 8869 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 9513 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:40,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1171 Valid, 9513 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96869 states. [2022-01-18 01:02:42,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96869 to 90306. [2022-01-18 01:02:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90306 states, 90305 states have (on average 2.8492331543103924) internal successors, (257300), 90305 states have internal predecessors, (257300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-01-18 01:02:43,100 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-01-18 01:02:43,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:43,100 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-01-18 01:02:43,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-01-18 01:02:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:43,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:43,242 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:43,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 01:02:43,242 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1763405302, now seen corresponding path program 50 times [2022-01-18 01:02:43,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:43,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780801108] [2022-01-18 01:02:43,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:43,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:43,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:43,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780801108] [2022-01-18 01:02:43,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780801108] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:43,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:43,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:43,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185463182] [2022-01-18 01:02:43,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:43,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:43,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:43,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:43,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:43,358 INFO L87 Difference]: Start difference. First operand 90306 states and 257300 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:45,074 INFO L93 Difference]: Finished difference Result 96871 states and 274096 transitions. [2022-01-18 01:02:45,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:02:45,075 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:45,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:45,280 INFO L225 Difference]: With dead ends: 96871 [2022-01-18 01:02:45,281 INFO L226 Difference]: Without dead ends: 96871 [2022-01-18 01:02:45,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=503, Invalid=1219, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:02:45,281 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 1165 mSDsluCounter, 8872 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 9521 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:45,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1165 Valid, 9521 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:45,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96871 states. [2022-01-18 01:02:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96871 to 90302. [2022-01-18 01:02:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90302 states, 90301 states have (on average 2.849237549971761) internal successors, (257289), 90301 states have internal predecessors, (257289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-01-18 01:02:47,306 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-01-18 01:02:47,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:47,307 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-01-18 01:02:47,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-01-18 01:02:47,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:47,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:47,820 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:47,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 01:02:47,820 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:47,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash 772839216, now seen corresponding path program 51 times [2022-01-18 01:02:47,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:47,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336308684] [2022-01-18 01:02:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:47,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:47,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:47,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336308684] [2022-01-18 01:02:47,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336308684] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:47,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:47,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:47,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859788554] [2022-01-18 01:02:47,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:47,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:47,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:47,934 INFO L87 Difference]: Start difference. First operand 90302 states and 257289 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:49,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:49,287 INFO L93 Difference]: Finished difference Result 96871 states and 274088 transitions. [2022-01-18 01:02:49,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 01:02:49,288 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:49,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:49,508 INFO L225 Difference]: With dead ends: 96871 [2022-01-18 01:02:49,508 INFO L226 Difference]: Without dead ends: 96871 [2022-01-18 01:02:49,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=571, Invalid=1321, Unknown=0, NotChecked=0, Total=1892 [2022-01-18 01:02:49,509 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1188 mSDsluCounter, 8891 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 9543 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:49,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 9543 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:49,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96871 states. [2022-01-18 01:02:51,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96871 to 90254. [2022-01-18 01:02:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90254 states, 90253 states have (on average 2.8492903282993365) internal successors, (257157), 90253 states have internal predecessors, (257157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90254 states to 90254 states and 257157 transitions. [2022-01-18 01:02:51,722 INFO L78 Accepts]: Start accepts. Automaton has 90254 states and 257157 transitions. Word has length 231 [2022-01-18 01:02:51,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:51,723 INFO L470 AbstractCegarLoop]: Abstraction has 90254 states and 257157 transitions. [2022-01-18 01:02:51,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 90254 states and 257157 transitions. [2022-01-18 01:02:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:51,895 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:51,895 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:51,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 01:02:51,895 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:51,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:51,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1131005280, now seen corresponding path program 52 times [2022-01-18 01:02:51,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:51,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875089477] [2022-01-18 01:02:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:51,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:52,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:52,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875089477] [2022-01-18 01:02:52,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875089477] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:52,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:52,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:52,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604323911] [2022-01-18 01:02:52,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:52,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:52,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:52,017 INFO L87 Difference]: Start difference. First operand 90254 states and 257157 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:53,654 INFO L93 Difference]: Finished difference Result 96681 states and 273581 transitions. [2022-01-18 01:02:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:02:53,655 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:53,861 INFO L225 Difference]: With dead ends: 96681 [2022-01-18 01:02:53,861 INFO L226 Difference]: Without dead ends: 96681 [2022-01-18 01:02:53,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=493, Invalid=1229, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:02:53,862 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 1170 mSDsluCounter, 8885 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 9528 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:53,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 9528 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:54,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96681 states. [2022-01-18 01:02:55,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96681 to 90274. [2022-01-18 01:02:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90274 states, 90273 states have (on average 2.8492683305085684) internal successors, (257212), 90273 states have internal predecessors, (257212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90274 states to 90274 states and 257212 transitions. [2022-01-18 01:02:55,919 INFO L78 Accepts]: Start accepts. Automaton has 90274 states and 257212 transitions. Word has length 231 [2022-01-18 01:02:55,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:02:55,919 INFO L470 AbstractCegarLoop]: Abstraction has 90274 states and 257212 transitions. [2022-01-18 01:02:55,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 90274 states and 257212 transitions. [2022-01-18 01:02:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:02:56,061 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:02:56,062 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:02:56,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 01:02:56,062 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:02:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:02:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1136034622, now seen corresponding path program 53 times [2022-01-18 01:02:56,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:02:56,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393007308] [2022-01-18 01:02:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:02:56,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:02:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:02:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:02:56,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:02:56,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393007308] [2022-01-18 01:02:56,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393007308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:02:56,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:02:56,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:02:56,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724498929] [2022-01-18 01:02:56,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:02:56,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:02:56,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:02:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:02:56,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:02:56,499 INFO L87 Difference]: Start difference. First operand 90274 states and 257212 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:02:57,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:02:57,798 INFO L93 Difference]: Finished difference Result 96659 states and 273529 transitions. [2022-01-18 01:02:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:02:57,799 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:02:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:02:58,004 INFO L225 Difference]: With dead ends: 96659 [2022-01-18 01:02:58,004 INFO L226 Difference]: Without dead ends: 96659 [2022-01-18 01:02:58,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=457, Invalid=1103, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:02:58,005 INFO L933 BasicCegarLoop]: 750 mSDtfsCounter, 1159 mSDsluCounter, 8874 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 9521 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:02:58,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1159 Valid, 9521 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:02:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96659 states. [2022-01-18 01:02:59,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96659 to 90270. [2022-01-18 01:03:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90270 states, 90269 states have (on average 2.849272729286909) internal successors, (257201), 90269 states have internal predecessors, (257201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90270 states to 90270 states and 257201 transitions. [2022-01-18 01:03:00,280 INFO L78 Accepts]: Start accepts. Automaton has 90270 states and 257201 transitions. Word has length 231 [2022-01-18 01:03:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:00,280 INFO L470 AbstractCegarLoop]: Abstraction has 90270 states and 257201 transitions. [2022-01-18 01:03:00,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 90270 states and 257201 transitions. [2022-01-18 01:03:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:00,436 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:00,436 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:00,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 01:03:00,436 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:00,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:00,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1065127588, now seen corresponding path program 54 times [2022-01-18 01:03:00,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:00,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71835770] [2022-01-18 01:03:00,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:00,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:00,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:00,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71835770] [2022-01-18 01:03:00,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71835770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:00,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:00,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:00,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627207518] [2022-01-18 01:03:00,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:00,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:00,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:00,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:00,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:00,570 INFO L87 Difference]: Start difference. First operand 90270 states and 257201 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:02,418 INFO L93 Difference]: Finished difference Result 96784 states and 273837 transitions. [2022-01-18 01:03:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:03:02,419 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:02,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:02,683 INFO L225 Difference]: With dead ends: 96784 [2022-01-18 01:03:02,683 INFO L226 Difference]: Without dead ends: 96784 [2022-01-18 01:03:02,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:03:02,683 INFO L933 BasicCegarLoop]: 762 mSDtfsCounter, 1211 mSDsluCounter, 8908 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 9555 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:02,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1211 Valid, 9555 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1503 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 01:03:02,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96784 states. [2022-01-18 01:03:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96784 to 90258. [2022-01-18 01:03:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90258 states, 90257 states have (on average 2.849285927961266) internal successors, (257168), 90257 states have internal predecessors, (257168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90258 states to 90258 states and 257168 transitions. [2022-01-18 01:03:04,795 INFO L78 Accepts]: Start accepts. Automaton has 90258 states and 257168 transitions. Word has length 231 [2022-01-18 01:03:04,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:04,795 INFO L470 AbstractCegarLoop]: Abstraction has 90258 states and 257168 transitions. [2022-01-18 01:03:04,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 90258 states and 257168 transitions. [2022-01-18 01:03:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:04,943 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:04,944 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:04,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 01:03:04,944 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:04,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:04,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1502991336, now seen corresponding path program 55 times [2022-01-18 01:03:04,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:04,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82335114] [2022-01-18 01:03:04,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:04,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:05,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:05,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82335114] [2022-01-18 01:03:05,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82335114] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:05,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:05,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:05,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093411472] [2022-01-18 01:03:05,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:05,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:05,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:05,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:05,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:05,059 INFO L87 Difference]: Start difference. First operand 90258 states and 257168 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:06,813 INFO L93 Difference]: Finished difference Result 96672 states and 273485 transitions. [2022-01-18 01:03:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:03:06,813 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:06,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:07,022 INFO L225 Difference]: With dead ends: 96672 [2022-01-18 01:03:07,022 INFO L226 Difference]: Without dead ends: 96672 [2022-01-18 01:03:07,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=710, Invalid=1642, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:03:07,023 INFO L933 BasicCegarLoop]: 763 mSDtfsCounter, 1301 mSDsluCounter, 8893 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 9544 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:07,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1301 Valid, 9544 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:07,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96672 states. [2022-01-18 01:03:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96672 to 90238. [2022-01-18 01:03:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90238 states, 90237 states have (on average 2.8493079335527556) internal successors, (257113), 90237 states have internal predecessors, (257113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90238 states to 90238 states and 257113 transitions. [2022-01-18 01:03:09,264 INFO L78 Accepts]: Start accepts. Automaton has 90238 states and 257113 transitions. Word has length 231 [2022-01-18 01:03:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:09,264 INFO L470 AbstractCegarLoop]: Abstraction has 90238 states and 257113 transitions. [2022-01-18 01:03:09,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 90238 states and 257113 transitions. [2022-01-18 01:03:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:09,414 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:09,414 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:09,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 01:03:09,414 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:09,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1143324184, now seen corresponding path program 56 times [2022-01-18 01:03:09,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:09,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493583379] [2022-01-18 01:03:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:09,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:09,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:09,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493583379] [2022-01-18 01:03:09,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493583379] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:09,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:09,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:09,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246219388] [2022-01-18 01:03:09,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:09,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:09,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:09,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:09,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:09,534 INFO L87 Difference]: Start difference. First operand 90238 states and 257113 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:10,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:10,853 INFO L93 Difference]: Finished difference Result 96027 states and 272044 transitions. [2022-01-18 01:03:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:03:10,853 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:10,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:11,394 INFO L225 Difference]: With dead ends: 96027 [2022-01-18 01:03:11,394 INFO L226 Difference]: Without dead ends: 96027 [2022-01-18 01:03:11,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=469, Invalid=1171, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:03:11,394 INFO L933 BasicCegarLoop]: 726 mSDtfsCounter, 1036 mSDsluCounter, 8757 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 9385 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:11,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1036 Valid, 9385 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96027 states. [2022-01-18 01:03:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96027 to 90458. [2022-01-18 01:03:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90458 states, 90457 states have (on average 2.8490664072432206) internal successors, (257718), 90457 states have internal predecessors, (257718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90458 states to 90458 states and 257718 transitions. [2022-01-18 01:03:13,198 INFO L78 Accepts]: Start accepts. Automaton has 90458 states and 257718 transitions. Word has length 231 [2022-01-18 01:03:13,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:13,198 INFO L470 AbstractCegarLoop]: Abstraction has 90458 states and 257718 transitions. [2022-01-18 01:03:13,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 90458 states and 257718 transitions. [2022-01-18 01:03:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:13,340 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:13,341 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:13,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 01:03:13,341 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash -884603210, now seen corresponding path program 57 times [2022-01-18 01:03:13,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:13,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214611113] [2022-01-18 01:03:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:13,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:13,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:13,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214611113] [2022-01-18 01:03:13,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214611113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:13,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:13,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:13,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954705075] [2022-01-18 01:03:13,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:13,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:13,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:13,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:13,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:13,456 INFO L87 Difference]: Start difference. First operand 90458 states and 257718 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:15,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:15,091 INFO L93 Difference]: Finished difference Result 96061 states and 272134 transitions. [2022-01-18 01:03:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:03:15,091 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:15,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:15,286 INFO L225 Difference]: With dead ends: 96061 [2022-01-18 01:03:15,286 INFO L226 Difference]: Without dead ends: 96061 [2022-01-18 01:03:15,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=454, Invalid=1106, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:03:15,287 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1024 mSDsluCounter, 8743 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 9376 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:15,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1024 Valid, 9376 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:03:15,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96061 states. [2022-01-18 01:03:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96061 to 90454. [2022-01-18 01:03:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90454 states, 90453 states have (on average 2.849070788144119) internal successors, (257707), 90453 states have internal predecessors, (257707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90454 states to 90454 states and 257707 transitions. [2022-01-18 01:03:17,214 INFO L78 Accepts]: Start accepts. Automaton has 90454 states and 257707 transitions. Word has length 231 [2022-01-18 01:03:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:17,214 INFO L470 AbstractCegarLoop]: Abstraction has 90454 states and 257707 transitions. [2022-01-18 01:03:17,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 90454 states and 257707 transitions. [2022-01-18 01:03:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:17,720 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:17,720 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:17,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 01:03:17,721 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:17,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:17,722 INFO L85 PathProgramCache]: Analyzing trace with hash -955510244, now seen corresponding path program 58 times [2022-01-18 01:03:17,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:17,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530887488] [2022-01-18 01:03:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:17,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:17,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:17,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530887488] [2022-01-18 01:03:17,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530887488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:17,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:17,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:17,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179183803] [2022-01-18 01:03:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:17,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:17,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:17,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:17,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:17,847 INFO L87 Difference]: Start difference. First operand 90454 states and 257707 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:19,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:19,213 INFO L93 Difference]: Finished difference Result 96219 states and 272510 transitions. [2022-01-18 01:03:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 01:03:19,213 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:19,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:19,415 INFO L225 Difference]: With dead ends: 96219 [2022-01-18 01:03:19,415 INFO L226 Difference]: Without dead ends: 96219 [2022-01-18 01:03:19,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=555, Invalid=1337, Unknown=0, NotChecked=0, Total=1892 [2022-01-18 01:03:19,416 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 1068 mSDsluCounter, 8789 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 9419 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:19,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1068 Valid, 9419 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:19,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96219 states. [2022-01-18 01:03:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96219 to 90442. [2022-01-18 01:03:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90442 states, 90441 states have (on average 2.8490839331719022) internal successors, (257674), 90441 states have internal predecessors, (257674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90442 states to 90442 states and 257674 transitions. [2022-01-18 01:03:21,602 INFO L78 Accepts]: Start accepts. Automaton has 90442 states and 257674 transitions. Word has length 231 [2022-01-18 01:03:21,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:21,602 INFO L470 AbstractCegarLoop]: Abstraction has 90442 states and 257674 transitions. [2022-01-18 01:03:21,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 90442 states and 257674 transitions. [2022-01-18 01:03:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:21,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:21,748 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:21,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 01:03:21,748 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:21,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:21,748 INFO L85 PathProgramCache]: Analyzing trace with hash 288426004, now seen corresponding path program 59 times [2022-01-18 01:03:21,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:21,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021468429] [2022-01-18 01:03:21,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:21,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:21,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:21,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021468429] [2022-01-18 01:03:21,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021468429] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:21,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:21,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:21,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836807087] [2022-01-18 01:03:21,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:21,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:21,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:21,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:21,864 INFO L87 Difference]: Start difference. First operand 90442 states and 257674 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:23,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:23,207 INFO L93 Difference]: Finished difference Result 96079 states and 272175 transitions. [2022-01-18 01:03:23,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:03:23,208 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:23,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:23,399 INFO L225 Difference]: With dead ends: 96079 [2022-01-18 01:03:23,399 INFO L226 Difference]: Without dead ends: 96079 [2022-01-18 01:03:23,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=445, Invalid=1115, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:03:23,399 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1029 mSDsluCounter, 8768 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 9398 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:23,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1029 Valid, 9398 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96079 states. [2022-01-18 01:03:25,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96079 to 90458. [2022-01-18 01:03:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90458 states, 90457 states have (on average 2.8490664072432206) internal successors, (257718), 90457 states have internal predecessors, (257718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90458 states to 90458 states and 257718 transitions. [2022-01-18 01:03:25,508 INFO L78 Accepts]: Start accepts. Automaton has 90458 states and 257718 transitions. Word has length 231 [2022-01-18 01:03:25,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:25,508 INFO L470 AbstractCegarLoop]: Abstraction has 90458 states and 257718 transitions. [2022-01-18 01:03:25,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 90458 states and 257718 transitions. [2022-01-18 01:03:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:25,647 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:25,647 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:25,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 01:03:25,647 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:25,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:25,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1739501390, now seen corresponding path program 60 times [2022-01-18 01:03:25,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:25,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097874410] [2022-01-18 01:03:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:25,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:25,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:25,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097874410] [2022-01-18 01:03:25,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097874410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:25,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:25,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:25,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091261590] [2022-01-18 01:03:25,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:25,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:25,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:25,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:25,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:25,762 INFO L87 Difference]: Start difference. First operand 90458 states and 257718 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:27,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:27,453 INFO L93 Difference]: Finished difference Result 96081 states and 272185 transitions. [2022-01-18 01:03:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:03:27,454 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:27,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:27,655 INFO L225 Difference]: With dead ends: 96081 [2022-01-18 01:03:27,655 INFO L226 Difference]: Without dead ends: 96081 [2022-01-18 01:03:27,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=478, Invalid=1162, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:03:27,656 INFO L933 BasicCegarLoop]: 727 mSDtfsCounter, 1023 mSDsluCounter, 8760 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:27,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 9396 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96081 states. [2022-01-18 01:03:29,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96081 to 90454. [2022-01-18 01:03:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90454 states, 90453 states have (on average 2.849070788144119) internal successors, (257707), 90453 states have internal predecessors, (257707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90454 states to 90454 states and 257707 transitions. [2022-01-18 01:03:29,623 INFO L78 Accepts]: Start accepts. Automaton has 90454 states and 257707 transitions. Word has length 231 [2022-01-18 01:03:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:29,624 INFO L470 AbstractCegarLoop]: Abstraction has 90454 states and 257707 transitions. [2022-01-18 01:03:29,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 90454 states and 257707 transitions. [2022-01-18 01:03:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:29,764 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:29,765 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:29,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 01:03:29,765 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1564899820, now seen corresponding path program 61 times [2022-01-18 01:03:29,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:29,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050737330] [2022-01-18 01:03:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:29,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:30,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:30,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050737330] [2022-01-18 01:03:30,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050737330] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:30,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:30,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:30,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692189906] [2022-01-18 01:03:30,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:30,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:30,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:30,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:30,189 INFO L87 Difference]: Start difference. First operand 90454 states and 257707 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:31,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:31,545 INFO L93 Difference]: Finished difference Result 96045 states and 272090 transitions. [2022-01-18 01:03:31,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:03:31,546 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:31,744 INFO L225 Difference]: With dead ends: 96045 [2022-01-18 01:03:31,744 INFO L226 Difference]: Without dead ends: 96045 [2022-01-18 01:03:31,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=546, Invalid=1260, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:03:31,745 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1046 mSDsluCounter, 8768 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 9405 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:31,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1046 Valid, 9405 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96045 states. [2022-01-18 01:03:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96045 to 90406. [2022-01-18 01:03:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90406 states, 90405 states have (on average 2.8491233891930756) internal successors, (257575), 90405 states have internal predecessors, (257575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90406 states to 90406 states and 257575 transitions. [2022-01-18 01:03:33,891 INFO L78 Accepts]: Start accepts. Automaton has 90406 states and 257575 transitions. Word has length 231 [2022-01-18 01:03:33,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:33,891 INFO L470 AbstractCegarLoop]: Abstraction has 90406 states and 257575 transitions. [2022-01-18 01:03:33,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand 90406 states and 257575 transitions. [2022-01-18 01:03:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:34,042 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:34,042 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:34,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 01:03:34,042 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:34,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:34,042 INFO L85 PathProgramCache]: Analyzing trace with hash -338944676, now seen corresponding path program 62 times [2022-01-18 01:03:34,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:34,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292294511] [2022-01-18 01:03:34,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:34,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:34,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:34,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292294511] [2022-01-18 01:03:34,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292294511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:34,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:34,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:34,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564116976] [2022-01-18 01:03:34,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:34,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:34,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:34,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:34,160 INFO L87 Difference]: Start difference. First operand 90406 states and 257575 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:35,444 INFO L93 Difference]: Finished difference Result 96151 states and 272365 transitions. [2022-01-18 01:03:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:03:35,444 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:36,000 INFO L225 Difference]: With dead ends: 96151 [2022-01-18 01:03:36,000 INFO L226 Difference]: Without dead ends: 96151 [2022-01-18 01:03:36,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=464, Invalid=1176, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:03:36,000 INFO L933 BasicCegarLoop]: 733 mSDtfsCounter, 1030 mSDsluCounter, 8803 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 9438 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:36,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1030 Valid, 9438 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96151 states. [2022-01-18 01:03:37,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96151 to 90426. [2022-01-18 01:03:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90426 states, 90425 states have (on average 2.849101465302737) internal successors, (257630), 90425 states have internal predecessors, (257630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90426 states to 90426 states and 257630 transitions. [2022-01-18 01:03:37,800 INFO L78 Accepts]: Start accepts. Automaton has 90426 states and 257630 transitions. Word has length 231 [2022-01-18 01:03:37,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:37,800 INFO L470 AbstractCegarLoop]: Abstraction has 90426 states and 257630 transitions. [2022-01-18 01:03:37,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90426 states and 257630 transitions. [2022-01-18 01:03:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:37,953 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:37,953 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:37,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 01:03:37,953 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:37,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:37,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1928095226, now seen corresponding path program 63 times [2022-01-18 01:03:37,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:37,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104807045] [2022-01-18 01:03:37,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:37,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:38,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:38,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104807045] [2022-01-18 01:03:38,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104807045] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:38,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:38,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:38,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826949845] [2022-01-18 01:03:38,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:38,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:38,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:38,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:38,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:38,080 INFO L87 Difference]: Start difference. First operand 90426 states and 257630 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:39,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:39,669 INFO L93 Difference]: Finished difference Result 96129 states and 272313 transitions. [2022-01-18 01:03:39,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 01:03:39,669 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:39,862 INFO L225 Difference]: With dead ends: 96129 [2022-01-18 01:03:39,862 INFO L226 Difference]: Without dead ends: 96129 [2022-01-18 01:03:39,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=432, Invalid=1050, Unknown=0, NotChecked=0, Total=1482 [2022-01-18 01:03:39,863 INFO L933 BasicCegarLoop]: 731 mSDtfsCounter, 1019 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 9423 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:39,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1019 Valid, 9423 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:03:40,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96129 states. [2022-01-18 01:03:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96129 to 90422. [2022-01-18 01:03:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90422 states, 90421 states have (on average 2.849105849304918) internal successors, (257619), 90421 states have internal predecessors, (257619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90422 states to 90422 states and 257619 transitions. [2022-01-18 01:03:41,738 INFO L78 Accepts]: Start accepts. Automaton has 90422 states and 257619 transitions. Word has length 231 [2022-01-18 01:03:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:41,738 INFO L470 AbstractCegarLoop]: Abstraction has 90422 states and 257619 transitions. [2022-01-18 01:03:41,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 90422 states and 257619 transitions. [2022-01-18 01:03:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:41,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:41,883 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:41,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 01:03:41,884 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:41,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1857188192, now seen corresponding path program 64 times [2022-01-18 01:03:41,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:41,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397147529] [2022-01-18 01:03:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:41,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:42,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:42,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397147529] [2022-01-18 01:03:42,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397147529] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:42,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:42,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:42,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755511465] [2022-01-18 01:03:42,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:42,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:42,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:42,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:42,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:42,304 INFO L87 Difference]: Start difference. First operand 90422 states and 257619 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:43,716 INFO L93 Difference]: Finished difference Result 96254 states and 272621 transitions. [2022-01-18 01:03:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:03:43,716 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:43,908 INFO L225 Difference]: With dead ends: 96254 [2022-01-18 01:03:43,908 INFO L226 Difference]: Without dead ends: 96254 [2022-01-18 01:03:43,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=573, Invalid=1407, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:03:43,909 INFO L933 BasicCegarLoop]: 743 mSDtfsCounter, 1071 mSDsluCounter, 8840 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 9478 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:43,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 9478 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96254 states. [2022-01-18 01:03:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96254 to 90410. [2022-01-18 01:03:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90410 states, 90409 states have (on average 2.8491190036390184) internal successors, (257586), 90409 states have internal predecessors, (257586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90410 states to 90410 states and 257586 transitions. [2022-01-18 01:03:46,100 INFO L78 Accepts]: Start accepts. Automaton has 90410 states and 257586 transitions. Word has length 231 [2022-01-18 01:03:46,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:46,100 INFO L470 AbstractCegarLoop]: Abstraction has 90410 states and 257586 transitions. [2022-01-18 01:03:46,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 90410 states and 257586 transitions. [2022-01-18 01:03:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:46,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:46,247 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:46,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 01:03:46,247 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:46,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:46,248 INFO L85 PathProgramCache]: Analyzing trace with hash -710930732, now seen corresponding path program 65 times [2022-01-18 01:03:46,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:46,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987031175] [2022-01-18 01:03:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:46,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:46,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:46,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987031175] [2022-01-18 01:03:46,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987031175] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:46,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:46,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:46,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118605219] [2022-01-18 01:03:46,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:46,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:46,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:46,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:46,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:46,362 INFO L87 Difference]: Start difference. First operand 90410 states and 257586 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:47,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:47,858 INFO L93 Difference]: Finished difference Result 96321 states and 272681 transitions. [2022-01-18 01:03:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:03:47,858 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:47,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:48,052 INFO L225 Difference]: With dead ends: 96321 [2022-01-18 01:03:48,052 INFO L226 Difference]: Without dead ends: 96321 [2022-01-18 01:03:48,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=672, Invalid=1584, Unknown=0, NotChecked=0, Total=2256 [2022-01-18 01:03:48,053 INFO L933 BasicCegarLoop]: 772 mSDtfsCounter, 1142 mSDsluCounter, 9017 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 9673 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:48,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 9673 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:48,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96321 states. [2022-01-18 01:03:49,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96321 to 90394. [2022-01-18 01:03:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90394 states, 90393 states have (on average 2.849136548184041) internal successors, (257542), 90393 states have internal predecessors, (257542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90394 states to 90394 states and 257542 transitions. [2022-01-18 01:03:50,246 INFO L78 Accepts]: Start accepts. Automaton has 90394 states and 257542 transitions. Word has length 231 [2022-01-18 01:03:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:50,247 INFO L470 AbstractCegarLoop]: Abstraction has 90394 states and 257542 transitions. [2022-01-18 01:03:50,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 90394 states and 257542 transitions. [2022-01-18 01:03:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:50,394 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:50,394 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:50,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 01:03:50,395 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:50,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1836069352, now seen corresponding path program 66 times [2022-01-18 01:03:50,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:50,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738762503] [2022-01-18 01:03:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:50,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:50,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:50,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738762503] [2022-01-18 01:03:50,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738762503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:50,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:50,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:50,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149653695] [2022-01-18 01:03:50,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:50,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:50,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:50,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:50,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:50,519 INFO L87 Difference]: Start difference. First operand 90394 states and 257542 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:52,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:52,137 INFO L93 Difference]: Finished difference Result 95803 states and 271444 transitions. [2022-01-18 01:03:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:03:52,138 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:52,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:52,331 INFO L225 Difference]: With dead ends: 95803 [2022-01-18 01:03:52,331 INFO L226 Difference]: Without dead ends: 95803 [2022-01-18 01:03:52,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=458, Invalid=1182, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:03:52,332 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 1037 mSDsluCounter, 8841 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 9478 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:52,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1037 Valid, 9478 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95803 states. [2022-01-18 01:03:54,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95803 to 90466. [2022-01-18 01:03:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90466 states, 90465 states have (on average 2.849057646603659) internal successors, (257740), 90465 states have internal predecessors, (257740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90466 states to 90466 states and 257740 transitions. [2022-01-18 01:03:54,684 INFO L78 Accepts]: Start accepts. Automaton has 90466 states and 257740 transitions. Word has length 231 [2022-01-18 01:03:54,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:54,684 INFO L470 AbstractCegarLoop]: Abstraction has 90466 states and 257740 transitions. [2022-01-18 01:03:54,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 90466 states and 257740 transitions. [2022-01-18 01:03:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:54,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:54,829 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:54,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 01:03:54,829 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash 430970550, now seen corresponding path program 67 times [2022-01-18 01:03:54,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:54,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796136222] [2022-01-18 01:03:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:54,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:54,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:54,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796136222] [2022-01-18 01:03:54,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796136222] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:54,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:54,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:54,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199333729] [2022-01-18 01:03:54,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:54,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:54,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:54,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:54,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:54,947 INFO L87 Difference]: Start difference. First operand 90466 states and 257740 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:56,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:03:56,170 INFO L93 Difference]: Finished difference Result 95781 states and 271392 transitions. [2022-01-18 01:03:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 01:03:56,170 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:03:56,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:03:56,377 INFO L225 Difference]: With dead ends: 95781 [2022-01-18 01:03:56,377 INFO L226 Difference]: Without dead ends: 95781 [2022-01-18 01:03:56,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=430, Invalid=1052, Unknown=0, NotChecked=0, Total=1482 [2022-01-18 01:03:56,378 INFO L933 BasicCegarLoop]: 731 mSDtfsCounter, 1026 mSDsluCounter, 8808 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 9448 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:03:56,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1026 Valid, 9448 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:03:56,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95781 states. [2022-01-18 01:03:58,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95781 to 90462. [2022-01-18 01:03:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90462 states, 90461 states have (on average 2.849062026729751) internal successors, (257729), 90461 states have internal predecessors, (257729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90462 states to 90462 states and 257729 transitions. [2022-01-18 01:03:58,564 INFO L78 Accepts]: Start accepts. Automaton has 90462 states and 257729 transitions. Word has length 231 [2022-01-18 01:03:58,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:03:58,565 INFO L470 AbstractCegarLoop]: Abstraction has 90462 states and 257729 transitions. [2022-01-18 01:03:58,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:03:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 90462 states and 257729 transitions. [2022-01-18 01:03:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:03:58,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:03:58,716 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:03:58,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 01:03:58,716 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:03:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:03:58,717 INFO L85 PathProgramCache]: Analyzing trace with hash 360063516, now seen corresponding path program 68 times [2022-01-18 01:03:58,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:03:58,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568285386] [2022-01-18 01:03:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:03:58,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:03:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:03:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:03:58,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:03:58,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568285386] [2022-01-18 01:03:58,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568285386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:03:58,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:03:58,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:03:58,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028203421] [2022-01-18 01:03:58,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:03:58,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:03:58,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:03:58,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:03:58,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:03:58,834 INFO L87 Difference]: Start difference. First operand 90462 states and 257729 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:00,576 INFO L93 Difference]: Finished difference Result 95930 states and 271758 transitions. [2022-01-18 01:04:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:04:00,576 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:00,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:00,768 INFO L225 Difference]: With dead ends: 95930 [2022-01-18 01:04:00,768 INFO L226 Difference]: Without dead ends: 95930 [2022-01-18 01:04:00,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=563, Invalid=1417, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:04:00,768 INFO L933 BasicCegarLoop]: 745 mSDtfsCounter, 1078 mSDsluCounter, 8878 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 9518 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:00,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1078 Valid, 9518 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:04:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95930 states. [2022-01-18 01:04:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95930 to 90450. [2022-01-18 01:04:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90450 states, 90449 states have (on average 2.849075169432498) internal successors, (257696), 90449 states have internal predecessors, (257696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90450 states to 90450 states and 257696 transitions. [2022-01-18 01:04:02,659 INFO L78 Accepts]: Start accepts. Automaton has 90450 states and 257696 transitions. Word has length 231 [2022-01-18 01:04:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:02,659 INFO L470 AbstractCegarLoop]: Abstraction has 90450 states and 257696 transitions. [2022-01-18 01:04:02,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 90450 states and 257696 transitions. [2022-01-18 01:04:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:02,800 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:02,800 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:02,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 01:04:02,800 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:02,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:02,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2086911888, now seen corresponding path program 69 times [2022-01-18 01:04:02,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:02,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045034433] [2022-01-18 01:04:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:02,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:02,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:02,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045034433] [2022-01-18 01:04:02,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045034433] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:02,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:02,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:02,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817831515] [2022-01-18 01:04:02,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:02,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:02,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:02,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:02,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:02,923 INFO L87 Difference]: Start difference. First operand 90450 states and 257696 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:04,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:04,761 INFO L93 Difference]: Finished difference Result 96121 states and 272151 transitions. [2022-01-18 01:04:04,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 01:04:04,762 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:04,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:04,958 INFO L225 Difference]: With dead ends: 96121 [2022-01-18 01:04:04,958 INFO L226 Difference]: Without dead ends: 96121 [2022-01-18 01:04:04,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=660, Invalid=1596, Unknown=0, NotChecked=0, Total=2256 [2022-01-18 01:04:04,963 INFO L933 BasicCegarLoop]: 781 mSDtfsCounter, 1149 mSDsluCounter, 9080 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 9745 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:04,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1149 Valid, 9745 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 01:04:05,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96121 states. [2022-01-18 01:04:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96121 to 90446. [2022-01-18 01:04:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90446 states, 90445 states have (on average 2.8490795511084084) internal successors, (257685), 90445 states have internal predecessors, (257685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90446 states to 90446 states and 257685 transitions. [2022-01-18 01:04:07,272 INFO L78 Accepts]: Start accepts. Automaton has 90446 states and 257685 transitions. Word has length 231 [2022-01-18 01:04:07,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:07,272 INFO L470 AbstractCegarLoop]: Abstraction has 90446 states and 257685 transitions. [2022-01-18 01:04:07,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 90446 states and 257685 transitions. [2022-01-18 01:04:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:07,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:07,441 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:07,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 01:04:07,441 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:07,441 INFO L85 PathProgramCache]: Analyzing trace with hash 167792292, now seen corresponding path program 70 times [2022-01-18 01:04:07,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:07,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976041394] [2022-01-18 01:04:07,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:07,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:07,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:07,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976041394] [2022-01-18 01:04:07,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976041394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:07,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:07,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:07,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898181398] [2022-01-18 01:04:07,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:07,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:07,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:07,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:07,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:07,558 INFO L87 Difference]: Start difference. First operand 90446 states and 257685 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:09,082 INFO L93 Difference]: Finished difference Result 95792 states and 271403 transitions. [2022-01-18 01:04:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:04:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:09,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:09,663 INFO L225 Difference]: With dead ends: 95792 [2022-01-18 01:04:09,663 INFO L226 Difference]: Without dead ends: 95792 [2022-01-18 01:04:09,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=722, Invalid=1630, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:04:09,664 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1250 mSDsluCounter, 8873 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 9524 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:09,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 9524 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95792 states. [2022-01-18 01:04:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95792 to 90745. [2022-01-18 01:04:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90745 states, 90744 states have (on average 2.8478577096006346) internal successors, (258426), 90744 states have internal predecessors, (258426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90745 states to 90745 states and 258426 transitions. [2022-01-18 01:04:11,408 INFO L78 Accepts]: Start accepts. Automaton has 90745 states and 258426 transitions. Word has length 231 [2022-01-18 01:04:11,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:11,409 INFO L470 AbstractCegarLoop]: Abstraction has 90745 states and 258426 transitions. [2022-01-18 01:04:11,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 90745 states and 258426 transitions. [2022-01-18 01:04:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:11,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:11,556 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:11,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 01:04:11,556 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:11,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1646305808, now seen corresponding path program 71 times [2022-01-18 01:04:11,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:11,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136435731] [2022-01-18 01:04:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:11,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:11,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:11,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136435731] [2022-01-18 01:04:11,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136435731] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:11,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:11,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:11,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904720830] [2022-01-18 01:04:11,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:11,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:11,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:11,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:11,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:11,673 INFO L87 Difference]: Start difference. First operand 90745 states and 258426 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:13,570 INFO L93 Difference]: Finished difference Result 97989 states and 276989 transitions. [2022-01-18 01:04:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:04:13,571 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:13,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:13,762 INFO L225 Difference]: With dead ends: 97989 [2022-01-18 01:04:13,762 INFO L226 Difference]: Without dead ends: 97989 [2022-01-18 01:04:13,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=737, Invalid=1813, Unknown=0, NotChecked=0, Total=2550 [2022-01-18 01:04:13,763 INFO L933 BasicCegarLoop]: 757 mSDtfsCounter, 1521 mSDsluCounter, 9042 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 9673 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:13,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1521 Valid, 9673 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:13,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97989 states. [2022-01-18 01:04:15,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97989 to 90969. [2022-01-18 01:04:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90969 states, 90968 states have (on average 2.8476167443496614) internal successors, (259042), 90968 states have internal predecessors, (259042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90969 states to 90969 states and 259042 transitions. [2022-01-18 01:04:16,153 INFO L78 Accepts]: Start accepts. Automaton has 90969 states and 259042 transitions. Word has length 231 [2022-01-18 01:04:16,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:16,153 INFO L470 AbstractCegarLoop]: Abstraction has 90969 states and 259042 transitions. [2022-01-18 01:04:16,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 90969 states and 259042 transitions. [2022-01-18 01:04:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:16,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:16,299 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:16,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 01:04:16,300 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:16,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash -962674450, now seen corresponding path program 72 times [2022-01-18 01:04:16,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:16,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491192366] [2022-01-18 01:04:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:16,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:16,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:16,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491192366] [2022-01-18 01:04:16,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491192366] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:16,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:16,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:16,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932435608] [2022-01-18 01:04:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:16,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:16,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:16,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:16,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:16,418 INFO L87 Difference]: Start difference. First operand 90969 states and 259042 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:17,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:17,734 INFO L93 Difference]: Finished difference Result 97692 states and 276355 transitions. [2022-01-18 01:04:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:04:17,735 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:17,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:17,936 INFO L225 Difference]: With dead ends: 97692 [2022-01-18 01:04:17,936 INFO L226 Difference]: Without dead ends: 97692 [2022-01-18 01:04:17,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=439, Invalid=1121, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:04:17,937 INFO L933 BasicCegarLoop]: 734 mSDtfsCounter, 1187 mSDsluCounter, 8858 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 9469 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:17,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1187 Valid, 9469 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:18,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97692 states. [2022-01-18 01:04:19,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97692 to 90989. [2022-01-18 01:04:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90989 states, 90988 states have (on average 2.847595287290632) internal successors, (259097), 90988 states have internal predecessors, (259097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90989 states to 90989 states and 259097 transitions. [2022-01-18 01:04:20,231 INFO L78 Accepts]: Start accepts. Automaton has 90989 states and 259097 transitions. Word has length 231 [2022-01-18 01:04:20,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:20,231 INFO L470 AbstractCegarLoop]: Abstraction has 90989 states and 259097 transitions. [2022-01-18 01:04:20,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 90989 states and 259097 transitions. [2022-01-18 01:04:20,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:20,400 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:20,400 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:20,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 01:04:20,400 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:20,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1304365452, now seen corresponding path program 73 times [2022-01-18 01:04:20,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:20,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941707766] [2022-01-18 01:04:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:20,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:20,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:20,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941707766] [2022-01-18 01:04:20,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941707766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:20,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:20,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:20,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005502845] [2022-01-18 01:04:20,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:20,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:20,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:20,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:20,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:20,515 INFO L87 Difference]: Start difference. First operand 90989 states and 259097 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:22,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:22,272 INFO L93 Difference]: Finished difference Result 97732 states and 276457 transitions. [2022-01-18 01:04:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:04:22,272 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:22,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:22,475 INFO L225 Difference]: With dead ends: 97732 [2022-01-18 01:04:22,475 INFO L226 Difference]: Without dead ends: 97732 [2022-01-18 01:04:22,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=463, Invalid=1259, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:04:22,476 INFO L933 BasicCegarLoop]: 738 mSDtfsCounter, 1180 mSDsluCounter, 8914 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 9529 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:22,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1180 Valid, 9529 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:22,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97732 states. [2022-01-18 01:04:24,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97732 to 90985. [2022-01-18 01:04:24,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90985 states, 90984 states have (on average 2.847599577947771) internal successors, (259086), 90984 states have internal predecessors, (259086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90985 states to 90985 states and 259086 transitions. [2022-01-18 01:04:24,586 INFO L78 Accepts]: Start accepts. Automaton has 90985 states and 259086 transitions. Word has length 231 [2022-01-18 01:04:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:24,587 INFO L470 AbstractCegarLoop]: Abstraction has 90985 states and 259086 transitions. [2022-01-18 01:04:24,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 90985 states and 259086 transitions. [2022-01-18 01:04:25,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:25,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:25,057 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:25,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 01:04:25,058 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:25,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:25,058 INFO L85 PathProgramCache]: Analyzing trace with hash 313799366, now seen corresponding path program 74 times [2022-01-18 01:04:25,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:25,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002560797] [2022-01-18 01:04:25,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:25,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:25,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:25,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002560797] [2022-01-18 01:04:25,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002560797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:25,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:25,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:25,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155974461] [2022-01-18 01:04:25,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:25,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:25,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:25,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:25,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:25,198 INFO L87 Difference]: Start difference. First operand 90985 states and 259086 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:26,651 INFO L93 Difference]: Finished difference Result 97832 states and 276712 transitions. [2022-01-18 01:04:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:04:26,651 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:26,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:26,849 INFO L225 Difference]: With dead ends: 97832 [2022-01-18 01:04:26,849 INFO L226 Difference]: Without dead ends: 97832 [2022-01-18 01:04:26,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=564, Invalid=1506, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:04:26,849 INFO L933 BasicCegarLoop]: 745 mSDtfsCounter, 1214 mSDsluCounter, 8959 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 9580 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:26,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1214 Valid, 9580 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:26,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97832 states. [2022-01-18 01:04:28,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97832 to 90973. [2022-01-18 01:04:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90973 states, 90972 states have (on average 2.8476124521830894) internal successors, (259053), 90972 states have internal predecessors, (259053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90973 states to 90973 states and 259053 transitions. [2022-01-18 01:04:29,102 INFO L78 Accepts]: Start accepts. Automaton has 90973 states and 259053 transitions. Word has length 231 [2022-01-18 01:04:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:29,102 INFO L470 AbstractCegarLoop]: Abstraction has 90973 states and 259053 transitions. [2022-01-18 01:04:29,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 90973 states and 259053 transitions. [2022-01-18 01:04:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:29,261 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:29,261 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:29,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 01:04:29,261 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:29,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:29,261 INFO L85 PathProgramCache]: Analyzing trace with hash 224809440, now seen corresponding path program 75 times [2022-01-18 01:04:29,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:29,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344935474] [2022-01-18 01:04:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:29,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:29,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:29,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344935474] [2022-01-18 01:04:29,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344935474] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:29,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:29,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:29,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286769864] [2022-01-18 01:04:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:29,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:29,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:29,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:29,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:29,377 INFO L87 Difference]: Start difference. First operand 90973 states and 259053 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:31,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:31,249 INFO L93 Difference]: Finished difference Result 97986 states and 277010 transitions. [2022-01-18 01:04:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:04:31,249 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:31,453 INFO L225 Difference]: With dead ends: 97986 [2022-01-18 01:04:31,453 INFO L226 Difference]: Without dead ends: 97986 [2022-01-18 01:04:31,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=658, Invalid=1694, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:04:31,454 INFO L933 BasicCegarLoop]: 781 mSDtfsCounter, 1293 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:31,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1293 Valid, 9860 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:31,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97986 states. [2022-01-18 01:04:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97986 to 90917. [2022-01-18 01:04:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90917 states, 90916 states have (on average 2.8476725768841566) internal successors, (258899), 90916 states have internal predecessors, (258899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90917 states to 90917 states and 258899 transitions. [2022-01-18 01:04:33,431 INFO L78 Accepts]: Start accepts. Automaton has 90917 states and 258899 transitions. Word has length 231 [2022-01-18 01:04:33,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:33,431 INFO L470 AbstractCegarLoop]: Abstraction has 90917 states and 258899 transitions. [2022-01-18 01:04:33,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 90917 states and 258899 transitions. [2022-01-18 01:04:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:33,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:33,940 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:33,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 01:04:33,941 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:33,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:33,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1272527928, now seen corresponding path program 76 times [2022-01-18 01:04:33,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:33,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111471501] [2022-01-18 01:04:33,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:33,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:34,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:34,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111471501] [2022-01-18 01:04:34,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111471501] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:34,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:34,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:34,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956215023] [2022-01-18 01:04:34,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:34,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:34,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:34,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:34,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:34,112 INFO L87 Difference]: Start difference. First operand 90917 states and 258899 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:35,418 INFO L93 Difference]: Finished difference Result 97727 states and 276445 transitions. [2022-01-18 01:04:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:04:35,418 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:35,631 INFO L225 Difference]: With dead ends: 97727 [2022-01-18 01:04:35,631 INFO L226 Difference]: Without dead ends: 97727 [2022-01-18 01:04:35,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=441, Invalid=1119, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:04:35,632 INFO L933 BasicCegarLoop]: 727 mSDtfsCounter, 1175 mSDsluCounter, 8790 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:35,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1175 Valid, 9396 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1562 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:35,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97727 states. [2022-01-18 01:04:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97727 to 90949. [2022-01-18 01:04:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90949 states, 90948 states have (on average 2.847638210845758) internal successors, (258987), 90948 states have internal predecessors, (258987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90949 states to 90949 states and 258987 transitions. [2022-01-18 01:04:37,946 INFO L78 Accepts]: Start accepts. Automaton has 90949 states and 258987 transitions. Word has length 231 [2022-01-18 01:04:37,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:37,946 INFO L470 AbstractCegarLoop]: Abstraction has 90949 states and 258987 transitions. [2022-01-18 01:04:37,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 90949 states and 258987 transitions. [2022-01-18 01:04:38,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:38,098 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:38,098 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:38,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 01:04:38,098 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:38,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:38,099 INFO L85 PathProgramCache]: Analyzing trace with hash 994511974, now seen corresponding path program 77 times [2022-01-18 01:04:38,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:38,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482540536] [2022-01-18 01:04:38,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:38,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:38,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:38,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482540536] [2022-01-18 01:04:38,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482540536] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:38,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:38,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:38,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302839290] [2022-01-18 01:04:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:38,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:38,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:38,213 INFO L87 Difference]: Start difference. First operand 90949 states and 258987 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:39,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:39,918 INFO L93 Difference]: Finished difference Result 97771 states and 276558 transitions. [2022-01-18 01:04:39,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:04:39,918 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:40,115 INFO L225 Difference]: With dead ends: 97771 [2022-01-18 01:04:40,115 INFO L226 Difference]: Without dead ends: 97771 [2022-01-18 01:04:40,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=469, Invalid=1253, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:04:40,115 INFO L933 BasicCegarLoop]: 731 mSDtfsCounter, 1163 mSDsluCounter, 8845 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 9455 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:40,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 9455 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97771 states. [2022-01-18 01:04:41,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97771 to 90945. [2022-01-18 01:04:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90945 states, 90944 states have (on average 2.8476425052779732) internal successors, (258976), 90944 states have internal predecessors, (258976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90945 states to 90945 states and 258976 transitions. [2022-01-18 01:04:42,056 INFO L78 Accepts]: Start accepts. Automaton has 90945 states and 258976 transitions. Word has length 231 [2022-01-18 01:04:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:42,056 INFO L470 AbstractCegarLoop]: Abstraction has 90945 states and 258976 transitions. [2022-01-18 01:04:42,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 90945 states and 258976 transitions. [2022-01-18 01:04:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:42,210 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:42,210 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:42,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 01:04:42,210 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:42,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:42,210 INFO L85 PathProgramCache]: Analyzing trace with hash 3945888, now seen corresponding path program 78 times [2022-01-18 01:04:42,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:42,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987913016] [2022-01-18 01:04:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:42,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:42,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:42,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987913016] [2022-01-18 01:04:42,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987913016] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:42,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:42,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:42,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101960912] [2022-01-18 01:04:42,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:42,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:42,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:42,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:42,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:42,328 INFO L87 Difference]: Start difference. First operand 90945 states and 258976 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:44,034 INFO L93 Difference]: Finished difference Result 97867 states and 276802 transitions. [2022-01-18 01:04:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:04:44,034 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:44,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:44,256 INFO L225 Difference]: With dead ends: 97867 [2022-01-18 01:04:44,256 INFO L226 Difference]: Without dead ends: 97867 [2022-01-18 01:04:44,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=574, Invalid=1496, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:04:44,257 INFO L933 BasicCegarLoop]: 738 mSDtfsCounter, 1197 mSDsluCounter, 8890 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 9506 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:44,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 9506 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:04:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97867 states. [2022-01-18 01:04:46,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97867 to 90933. [2022-01-18 01:04:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90933 states, 90932 states have (on average 2.847655390841508) internal successors, (258943), 90932 states have internal predecessors, (258943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90933 states to 90933 states and 258943 transitions. [2022-01-18 01:04:46,539 INFO L78 Accepts]: Start accepts. Automaton has 90933 states and 258943 transitions. Word has length 231 [2022-01-18 01:04:46,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:46,540 INFO L470 AbstractCegarLoop]: Abstraction has 90933 states and 258943 transitions. [2022-01-18 01:04:46,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 90933 states and 258943 transitions. [2022-01-18 01:04:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:46,681 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:46,682 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:46,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 01:04:46,682 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:46,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash -85044038, now seen corresponding path program 79 times [2022-01-18 01:04:46,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:46,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516638557] [2022-01-18 01:04:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:46,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:46,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516638557] [2022-01-18 01:04:46,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516638557] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:46,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:46,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:46,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377146851] [2022-01-18 01:04:46,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:46,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:46,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:46,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:46,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:46,811 INFO L87 Difference]: Start difference. First operand 90933 states and 258943 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:48,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:48,362 INFO L93 Difference]: Finished difference Result 98180 states and 277470 transitions. [2022-01-18 01:04:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:04:48,363 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:48,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:48,916 INFO L225 Difference]: With dead ends: 98180 [2022-01-18 01:04:48,916 INFO L226 Difference]: Without dead ends: 98180 [2022-01-18 01:04:48,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=670, Invalid=1682, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:04:48,917 INFO L933 BasicCegarLoop]: 770 mSDtfsCounter, 1355 mSDsluCounter, 9111 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 9744 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:48,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1355 Valid, 9744 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98180 states. [2022-01-18 01:04:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98180 to 90929. [2022-01-18 01:04:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90929 states, 90928 states have (on average 2.8476596867851485) internal successors, (258932), 90928 states have internal predecessors, (258932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90929 states to 90929 states and 258932 transitions. [2022-01-18 01:04:50,890 INFO L78 Accepts]: Start accepts. Automaton has 90929 states and 258932 transitions. Word has length 231 [2022-01-18 01:04:50,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:50,890 INFO L470 AbstractCegarLoop]: Abstraction has 90929 states and 258932 transitions. [2022-01-18 01:04:50,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 90929 states and 258932 transitions. [2022-01-18 01:04:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:51,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:51,046 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:51,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 01:04:51,046 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:51,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:51,047 INFO L85 PathProgramCache]: Analyzing trace with hash -811264192, now seen corresponding path program 80 times [2022-01-18 01:04:51,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:51,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650544810] [2022-01-18 01:04:51,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:51,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:51,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:51,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650544810] [2022-01-18 01:04:51,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650544810] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:51,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:51,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:51,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890233224] [2022-01-18 01:04:51,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:51,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:51,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:51,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:51,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:51,161 INFO L87 Difference]: Start difference. First operand 90929 states and 258932 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:52,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:52,822 INFO L93 Difference]: Finished difference Result 97625 states and 276177 transitions. [2022-01-18 01:04:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:04:52,822 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:52,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:53,012 INFO L225 Difference]: With dead ends: 97625 [2022-01-18 01:04:53,012 INFO L226 Difference]: Without dead ends: 97625 [2022-01-18 01:04:53,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=487, Invalid=1235, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:04:53,013 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1167 mSDsluCounter, 8784 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 9392 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:53,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 9392 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:04:53,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97625 states. [2022-01-18 01:04:55,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97625 to 90981. [2022-01-18 01:04:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90981 states, 90980 states have (on average 2.847603868982194) internal successors, (259075), 90980 states have internal predecessors, (259075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90981 states to 90981 states and 259075 transitions. [2022-01-18 01:04:55,339 INFO L78 Accepts]: Start accepts. Automaton has 90981 states and 259075 transitions. Word has length 231 [2022-01-18 01:04:55,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:55,339 INFO L470 AbstractCegarLoop]: Abstraction has 90981 states and 259075 transitions. [2022-01-18 01:04:55,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 90981 states and 259075 transitions. [2022-01-18 01:04:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:55,494 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:55,494 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:55,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 01:04:55,494 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:55,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:55,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1455775710, now seen corresponding path program 81 times [2022-01-18 01:04:55,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:55,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395391222] [2022-01-18 01:04:55,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:55,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:55,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:55,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395391222] [2022-01-18 01:04:55,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395391222] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:55,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:55,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:55,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145411108] [2022-01-18 01:04:55,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:55,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:55,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:55,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:55,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:55,608 INFO L87 Difference]: Start difference. First operand 90981 states and 259075 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:04:56,919 INFO L93 Difference]: Finished difference Result 97635 states and 276205 transitions. [2022-01-18 01:04:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:04:56,919 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:04:56,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:04:57,485 INFO L225 Difference]: With dead ends: 97635 [2022-01-18 01:04:57,485 INFO L226 Difference]: Without dead ends: 97635 [2022-01-18 01:04:57,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=450, Invalid=1190, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:04:57,485 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1155 mSDsluCounter, 8804 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 9416 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:04:57,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1155 Valid, 9416 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:04:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97635 states. [2022-01-18 01:04:59,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97635 to 90977. [2022-01-18 01:04:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90977 states, 90976 states have (on average 2.8476081603939503) internal successors, (259064), 90976 states have internal predecessors, (259064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90977 states to 90977 states and 259064 transitions. [2022-01-18 01:04:59,413 INFO L78 Accepts]: Start accepts. Automaton has 90977 states and 259064 transitions. Word has length 231 [2022-01-18 01:04:59,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:04:59,413 INFO L470 AbstractCegarLoop]: Abstraction has 90977 states and 259064 transitions. [2022-01-18 01:04:59,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:04:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 90977 states and 259064 transitions. [2022-01-18 01:04:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:04:59,555 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:04:59,555 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:04:59,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 01:04:59,555 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:04:59,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:04:59,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1384868676, now seen corresponding path program 82 times [2022-01-18 01:04:59,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:04:59,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539840172] [2022-01-18 01:04:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:04:59,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:04:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:04:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:04:59,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:04:59,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539840172] [2022-01-18 01:04:59,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539840172] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:04:59,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:04:59,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:04:59,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845364808] [2022-01-18 01:04:59,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:04:59,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:04:59,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:04:59,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:04:59,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:04:59,669 INFO L87 Difference]: Start difference. First operand 90977 states and 259064 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:01,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:01,368 INFO L93 Difference]: Finished difference Result 97586 states and 276076 transitions. [2022-01-18 01:05:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-18 01:05:01,368 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:01,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:01,561 INFO L225 Difference]: With dead ends: 97586 [2022-01-18 01:05:01,561 INFO L226 Difference]: Without dead ends: 97586 [2022-01-18 01:05:01,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=555, Invalid=1337, Unknown=0, NotChecked=0, Total=1892 [2022-01-18 01:05:01,562 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1193 mSDsluCounter, 8769 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 9381 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:01,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1193 Valid, 9381 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:01,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97586 states. [2022-01-18 01:05:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97586 to 90965. [2022-01-18 01:05:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90965 states, 90964 states have (on average 2.8476210368937163) internal successors, (259031), 90964 states have internal predecessors, (259031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90965 states to 90965 states and 259031 transitions. [2022-01-18 01:05:03,920 INFO L78 Accepts]: Start accepts. Automaton has 90965 states and 259031 transitions. Word has length 231 [2022-01-18 01:05:03,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:03,920 INFO L470 AbstractCegarLoop]: Abstraction has 90965 states and 259031 transitions. [2022-01-18 01:05:03,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 90965 states and 259031 transitions. [2022-01-18 01:05:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:04,071 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:04,071 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:04,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 01:05:04,072 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:04,072 INFO L85 PathProgramCache]: Analyzing trace with hash -678440712, now seen corresponding path program 83 times [2022-01-18 01:05:04,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:04,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506460444] [2022-01-18 01:05:04,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:04,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:04,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:04,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506460444] [2022-01-18 01:05:04,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506460444] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:04,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:04,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:04,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703092351] [2022-01-18 01:05:04,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:04,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:04,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:04,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:04,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:04,187 INFO L87 Difference]: Start difference. First operand 90965 states and 259031 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:05,513 INFO L93 Difference]: Finished difference Result 97665 states and 276287 transitions. [2022-01-18 01:05:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:05:05,513 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:05,717 INFO L225 Difference]: With dead ends: 97665 [2022-01-18 01:05:05,717 INFO L226 Difference]: Without dead ends: 97665 [2022-01-18 01:05:05,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=463, Invalid=1177, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:05:05,719 INFO L933 BasicCegarLoop]: 731 mSDtfsCounter, 1164 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 9393 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:05,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1164 Valid, 9393 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1591 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97665 states. [2022-01-18 01:05:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97665 to 90981. [2022-01-18 01:05:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90981 states, 90980 states have (on average 2.847603868982194) internal successors, (259075), 90980 states have internal predecessors, (259075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90981 states to 90981 states and 259075 transitions. [2022-01-18 01:05:07,928 INFO L78 Accepts]: Start accepts. Automaton has 90981 states and 259075 transitions. Word has length 231 [2022-01-18 01:05:07,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:07,928 INFO L470 AbstractCegarLoop]: Abstraction has 90981 states and 259075 transitions. [2022-01-18 01:05:07,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 90981 states and 259075 transitions. [2022-01-18 01:05:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:08,080 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:08,081 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:08,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 01:05:08,081 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:08,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:08,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1588599190, now seen corresponding path program 84 times [2022-01-18 01:05:08,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:08,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378590055] [2022-01-18 01:05:08,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:08,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:08,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:08,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378590055] [2022-01-18 01:05:08,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378590055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:08,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:08,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:08,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608368974] [2022-01-18 01:05:08,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:08,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:08,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:08,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:08,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:08,196 INFO L87 Difference]: Start difference. First operand 90981 states and 259075 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:09,914 INFO L93 Difference]: Finished difference Result 97671 states and 276308 transitions. [2022-01-18 01:05:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:05:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:10,122 INFO L225 Difference]: With dead ends: 97671 [2022-01-18 01:05:10,122 INFO L226 Difference]: Without dead ends: 97671 [2022-01-18 01:05:10,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=474, Invalid=1248, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:05:10,122 INFO L933 BasicCegarLoop]: 730 mSDtfsCounter, 1158 mSDsluCounter, 8807 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 9421 SdHoareTripleChecker+Invalid, 1584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:10,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1158 Valid, 9421 Invalid, 1584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97671 states. [2022-01-18 01:05:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97671 to 90977. [2022-01-18 01:05:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90977 states, 90976 states have (on average 2.8476081603939503) internal successors, (259064), 90976 states have internal predecessors, (259064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90977 states to 90977 states and 259064 transitions. [2022-01-18 01:05:12,176 INFO L78 Accepts]: Start accepts. Automaton has 90977 states and 259064 transitions. Word has length 231 [2022-01-18 01:05:12,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:12,176 INFO L470 AbstractCegarLoop]: Abstraction has 90977 states and 259064 transitions. [2022-01-18 01:05:12,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 90977 states and 259064 transitions. [2022-01-18 01:05:12,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:12,605 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:12,606 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:12,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 01:05:12,606 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:12,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash 598033104, now seen corresponding path program 85 times [2022-01-18 01:05:12,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:12,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892456241] [2022-01-18 01:05:12,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:12,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:12,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:12,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892456241] [2022-01-18 01:05:12,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892456241] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:12,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:12,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:12,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187058616] [2022-01-18 01:05:12,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:12,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:12,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:12,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:12,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:12,734 INFO L87 Difference]: Start difference. First operand 90977 states and 259064 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:14,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:14,107 INFO L93 Difference]: Finished difference Result 97727 states and 276442 transitions. [2022-01-18 01:05:14,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:05:14,107 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:14,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:14,328 INFO L225 Difference]: With dead ends: 97727 [2022-01-18 01:05:14,328 INFO L226 Difference]: Without dead ends: 97727 [2022-01-18 01:05:14,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=556, Invalid=1424, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:05:14,328 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 1185 mSDsluCounter, 8847 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 9465 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:14,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 9465 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:14,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97727 states. [2022-01-18 01:05:16,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97727 to 90761. [2022-01-18 01:05:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90761 states, 90760 states have (on average 2.8478404583516967) internal successors, (258470), 90760 states have internal predecessors, (258470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90761 states to 90761 states and 258470 transitions. [2022-01-18 01:05:16,468 INFO L78 Accepts]: Start accepts. Automaton has 90761 states and 258470 transitions. Word has length 231 [2022-01-18 01:05:16,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:16,468 INFO L470 AbstractCegarLoop]: Abstraction has 90761 states and 258470 transitions. [2022-01-18 01:05:16,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 90761 states and 258470 transitions. [2022-01-18 01:05:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:16,617 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:16,617 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:16,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 01:05:16,617 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:16,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1665871186, now seen corresponding path program 86 times [2022-01-18 01:05:16,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:16,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66642608] [2022-01-18 01:05:16,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:16,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:16,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:16,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66642608] [2022-01-18 01:05:16,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66642608] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:16,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:16,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:16,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701687943] [2022-01-18 01:05:16,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:16,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:16,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:16,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:16,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:16,733 INFO L87 Difference]: Start difference. First operand 90761 states and 258470 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:18,653 INFO L93 Difference]: Finished difference Result 97514 states and 275714 transitions. [2022-01-18 01:05:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:05:18,653 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:18,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:18,856 INFO L225 Difference]: With dead ends: 97514 [2022-01-18 01:05:18,856 INFO L226 Difference]: Without dead ends: 97514 [2022-01-18 01:05:18,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=723, Invalid=1827, Unknown=0, NotChecked=0, Total=2550 [2022-01-18 01:05:18,856 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 1516 mSDsluCounter, 9038 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 9667 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:18,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1516 Valid, 9667 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97514 states. [2022-01-18 01:05:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97514 to 90817. [2022-01-18 01:05:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90817 states, 90816 states have (on average 2.8477801268498943) internal successors, (258624), 90816 states have internal predecessors, (258624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90817 states to 90817 states and 258624 transitions. [2022-01-18 01:05:20,859 INFO L78 Accepts]: Start accepts. Automaton has 90817 states and 258624 transitions. Word has length 231 [2022-01-18 01:05:20,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:20,859 INFO L470 AbstractCegarLoop]: Abstraction has 90817 states and 258624 transitions. [2022-01-18 01:05:20,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 90817 states and 258624 transitions. [2022-01-18 01:05:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:21,309 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:21,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:21,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 01:05:21,310 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:21,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:21,310 INFO L85 PathProgramCache]: Analyzing trace with hash -943109072, now seen corresponding path program 87 times [2022-01-18 01:05:21,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:21,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828233396] [2022-01-18 01:05:21,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:21,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:21,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:21,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828233396] [2022-01-18 01:05:21,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828233396] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:21,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:21,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:21,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011167430] [2022-01-18 01:05:21,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:21,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:21,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:21,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:21,425 INFO L87 Difference]: Start difference. First operand 90817 states and 258624 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:22,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:22,728 INFO L93 Difference]: Finished difference Result 96993 states and 274489 transitions. [2022-01-18 01:05:22,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:05:22,728 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:22,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:22,920 INFO L225 Difference]: With dead ends: 96993 [2022-01-18 01:05:22,920 INFO L226 Difference]: Without dead ends: 96993 [2022-01-18 01:05:22,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=437, Invalid=1123, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:05:22,921 INFO L933 BasicCegarLoop]: 731 mSDtfsCounter, 1170 mSDsluCounter, 8823 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 9433 SdHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:22,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 9433 Invalid, 1564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96993 states. [2022-01-18 01:05:24,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96993 to 90837. [2022-01-18 01:05:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90837 states, 90836 states have (on average 2.847758597912722) internal successors, (258679), 90836 states have internal predecessors, (258679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90837 states to 90837 states and 258679 transitions. [2022-01-18 01:05:25,104 INFO L78 Accepts]: Start accepts. Automaton has 90837 states and 258679 transitions. Word has length 231 [2022-01-18 01:05:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:25,105 INFO L470 AbstractCegarLoop]: Abstraction has 90837 states and 258679 transitions. [2022-01-18 01:05:25,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 90837 states and 258679 transitions. [2022-01-18 01:05:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:25,264 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:25,264 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:25,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 01:05:25,264 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:25,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:25,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1323930830, now seen corresponding path program 88 times [2022-01-18 01:05:25,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:25,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039892515] [2022-01-18 01:05:25,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:25,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:25,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:25,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039892515] [2022-01-18 01:05:25,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039892515] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:25,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:25,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:25,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37390687] [2022-01-18 01:05:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:25,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:25,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:25,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:25,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:25,385 INFO L87 Difference]: Start difference. First operand 90837 states and 258679 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:27,079 INFO L93 Difference]: Finished difference Result 97033 states and 274591 transitions. [2022-01-18 01:05:27,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:05:27,079 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:27,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:27,273 INFO L225 Difference]: With dead ends: 97033 [2022-01-18 01:05:27,273 INFO L226 Difference]: Without dead ends: 97033 [2022-01-18 01:05:27,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=457, Invalid=1265, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:05:27,274 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 1163 mSDsluCounter, 8887 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 9500 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:27,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 9500 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:27,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97033 states. [2022-01-18 01:05:28,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97033 to 90833. [2022-01-18 01:05:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90833 states, 90832 states have (on average 2.8477629029416947) internal successors, (258668), 90832 states have internal predecessors, (258668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90833 states to 90833 states and 258668 transitions. [2022-01-18 01:05:29,234 INFO L78 Accepts]: Start accepts. Automaton has 90833 states and 258668 transitions. Word has length 231 [2022-01-18 01:05:29,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:29,234 INFO L470 AbstractCegarLoop]: Abstraction has 90833 states and 258668 transitions. [2022-01-18 01:05:29,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 90833 states and 258668 transitions. [2022-01-18 01:05:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:29,398 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:29,398 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:29,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 01:05:29,399 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:29,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:29,399 INFO L85 PathProgramCache]: Analyzing trace with hash 333364744, now seen corresponding path program 89 times [2022-01-18 01:05:29,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:29,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717960515] [2022-01-18 01:05:29,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:29,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:29,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:29,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717960515] [2022-01-18 01:05:29,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717960515] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:29,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:29,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:29,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802250327] [2022-01-18 01:05:29,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:29,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:29,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:29,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:29,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:29,514 INFO L87 Difference]: Start difference. First operand 90833 states and 258668 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:31,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:31,212 INFO L93 Difference]: Finished difference Result 97133 states and 274846 transitions. [2022-01-18 01:05:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:05:31,212 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:31,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:31,421 INFO L225 Difference]: With dead ends: 97133 [2022-01-18 01:05:31,421 INFO L226 Difference]: Without dead ends: 97133 [2022-01-18 01:05:31,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=554, Invalid=1516, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:05:31,422 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 1197 mSDsluCounter, 8933 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 9552 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:31,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 9552 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:05:31,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97133 states. [2022-01-18 01:05:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97133 to 90821. [2022-01-18 01:05:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90821 states, 90820 states have (on average 2.8477758203038976) internal successors, (258635), 90820 states have internal predecessors, (258635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90821 states to 90821 states and 258635 transitions. [2022-01-18 01:05:33,768 INFO L78 Accepts]: Start accepts. Automaton has 90821 states and 258635 transitions. Word has length 231 [2022-01-18 01:05:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:33,768 INFO L470 AbstractCegarLoop]: Abstraction has 90821 states and 258635 transitions. [2022-01-18 01:05:33,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 90821 states and 258635 transitions. [2022-01-18 01:05:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:33,913 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:33,913 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:33,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 01:05:33,914 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:33,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash 244374818, now seen corresponding path program 90 times [2022-01-18 01:05:33,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:33,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013860487] [2022-01-18 01:05:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:33,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:34,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:34,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013860487] [2022-01-18 01:05:34,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013860487] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:34,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:34,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:34,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679047222] [2022-01-18 01:05:34,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:34,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:34,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:34,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:34,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:34,028 INFO L87 Difference]: Start difference. First operand 90821 states and 258635 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:35,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:35,861 INFO L93 Difference]: Finished difference Result 97330 states and 275256 transitions. [2022-01-18 01:05:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:05:35,861 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:36,075 INFO L225 Difference]: With dead ends: 97330 [2022-01-18 01:05:36,075 INFO L226 Difference]: Without dead ends: 97330 [2022-01-18 01:05:36,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=646, Invalid=1706, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:05:36,076 INFO L933 BasicCegarLoop]: 778 mSDtfsCounter, 1276 mSDsluCounter, 9196 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 9836 SdHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:36,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 9836 Invalid, 1607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:36,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97330 states. [2022-01-18 01:05:37,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97330 to 90765. [2022-01-18 01:05:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90765 states, 90764 states have (on average 2.8478361464897977) internal successors, (258481), 90764 states have internal predecessors, (258481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90765 states to 90765 states and 258481 transitions. [2022-01-18 01:05:38,146 INFO L78 Accepts]: Start accepts. Automaton has 90765 states and 258481 transitions. Word has length 231 [2022-01-18 01:05:38,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:38,147 INFO L470 AbstractCegarLoop]: Abstraction has 90765 states and 258481 transitions. [2022-01-18 01:05:38,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 90765 states and 258481 transitions. [2022-01-18 01:05:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:38,621 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:38,621 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:38,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 01:05:38,621 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:38,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:38,622 INFO L85 PathProgramCache]: Analyzing trace with hash 971695728, now seen corresponding path program 91 times [2022-01-18 01:05:38,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:38,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129597480] [2022-01-18 01:05:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:38,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:38,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:38,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129597480] [2022-01-18 01:05:38,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129597480] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:38,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:38,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:38,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348171815] [2022-01-18 01:05:38,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:38,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:38,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:38,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:38,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:38,758 INFO L87 Difference]: Start difference. First operand 90765 states and 258481 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:40,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:40,347 INFO L93 Difference]: Finished difference Result 97068 states and 274642 transitions. [2022-01-18 01:05:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-18 01:05:40,347 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:40,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:40,553 INFO L225 Difference]: With dead ends: 97068 [2022-01-18 01:05:40,553 INFO L226 Difference]: Without dead ends: 97068 [2022-01-18 01:05:40,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=789, Invalid=1863, Unknown=0, NotChecked=0, Total=2652 [2022-01-18 01:05:40,554 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 1461 mSDsluCounter, 8944 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:40,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1461 Valid, 9574 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:40,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97068 states. [2022-01-18 01:05:42,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97068 to 90785. [2022-01-18 01:05:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90785 states, 90784 states have (on average 2.847770532252379) internal successors, (258532), 90784 states have internal predecessors, (258532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90785 states to 90785 states and 258532 transitions. [2022-01-18 01:05:42,839 INFO L78 Accepts]: Start accepts. Automaton has 90785 states and 258532 transitions. Word has length 231 [2022-01-18 01:05:42,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:42,839 INFO L470 AbstractCegarLoop]: Abstraction has 90785 states and 258532 transitions. [2022-01-18 01:05:42,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 90785 states and 258532 transitions. [2022-01-18 01:05:42,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:42,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:42,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:42,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 01:05:42,981 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:42,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash -789033142, now seen corresponding path program 92 times [2022-01-18 01:05:42,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:42,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069805146] [2022-01-18 01:05:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:42,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:43,104 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:43,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:43,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069805146] [2022-01-18 01:05:43,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069805146] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:43,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:43,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:43,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118087692] [2022-01-18 01:05:43,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:43,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:43,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:43,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:43,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:43,106 INFO L87 Difference]: Start difference. First operand 90785 states and 258532 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:45,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:45,084 INFO L93 Difference]: Finished difference Result 97743 states and 276265 transitions. [2022-01-18 01:05:45,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-18 01:05:45,084 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:45,291 INFO L225 Difference]: With dead ends: 97743 [2022-01-18 01:05:45,291 INFO L226 Difference]: Without dead ends: 97743 [2022-01-18 01:05:45,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=776, Invalid=1876, Unknown=0, NotChecked=0, Total=2652 [2022-01-18 01:05:45,292 INFO L933 BasicCegarLoop]: 791 mSDtfsCounter, 1510 mSDsluCounter, 9231 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:45,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1510 Valid, 9890 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:45,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97743 states. [2022-01-18 01:05:46,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97743 to 91045. [2022-01-18 01:05:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91045 states, 91044 states have (on average 2.847491322876851) internal successors, (259247), 91044 states have internal predecessors, (259247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91045 states to 91045 states and 259247 transitions. [2022-01-18 01:05:47,340 INFO L78 Accepts]: Start accepts. Automaton has 91045 states and 259247 transitions. Word has length 231 [2022-01-18 01:05:47,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:47,340 INFO L470 AbstractCegarLoop]: Abstraction has 91045 states and 259247 transitions. [2022-01-18 01:05:47,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91045 states and 259247 transitions. [2022-01-18 01:05:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:47,809 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:47,809 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:47,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 01:05:47,810 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:47,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash 896953896, now seen corresponding path program 93 times [2022-01-18 01:05:47,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:47,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287178384] [2022-01-18 01:05:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:47,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:47,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287178384] [2022-01-18 01:05:47,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287178384] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:47,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:47,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:47,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110613439] [2022-01-18 01:05:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:47,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:47,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:47,927 INFO L87 Difference]: Start difference. First operand 91045 states and 259247 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:49,256 INFO L93 Difference]: Finished difference Result 97621 states and 276041 transitions. [2022-01-18 01:05:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:05:49,256 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:49,464 INFO L225 Difference]: With dead ends: 97621 [2022-01-18 01:05:49,464 INFO L226 Difference]: Without dead ends: 97621 [2022-01-18 01:05:49,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=463, Invalid=1177, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:05:49,464 INFO L933 BasicCegarLoop]: 768 mSDtfsCounter, 1245 mSDsluCounter, 9066 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9705 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:49,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1245 Valid, 9705 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97621 states. [2022-01-18 01:05:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97621 to 91065. [2022-01-18 01:05:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91065 states, 91064 states have (on average 2.847469911271194) internal successors, (259302), 91064 states have internal predecessors, (259302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91065 states to 91065 states and 259302 transitions. [2022-01-18 01:05:51,719 INFO L78 Accepts]: Start accepts. Automaton has 91065 states and 259302 transitions. Word has length 231 [2022-01-18 01:05:51,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:51,720 INFO L470 AbstractCegarLoop]: Abstraction has 91065 states and 259302 transitions. [2022-01-18 01:05:51,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 91065 states and 259302 transitions. [2022-01-18 01:05:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:51,863 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:51,863 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:51,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 01:05:51,863 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:51,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:51,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1130973498, now seen corresponding path program 94 times [2022-01-18 01:05:51,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:51,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225504224] [2022-01-18 01:05:51,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:51,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:51,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:51,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225504224] [2022-01-18 01:05:51,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225504224] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:51,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:51,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:51,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799010243] [2022-01-18 01:05:51,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:51,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:51,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:51,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:51,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:51,985 INFO L87 Difference]: Start difference. First operand 91065 states and 259302 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:53,743 INFO L93 Difference]: Finished difference Result 97661 states and 276143 transitions. [2022-01-18 01:05:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:05:53,743 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:53,942 INFO L225 Difference]: With dead ends: 97661 [2022-01-18 01:05:53,943 INFO L226 Difference]: Without dead ends: 97661 [2022-01-18 01:05:53,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=491, Invalid=1315, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:05:53,943 INFO L933 BasicCegarLoop]: 772 mSDtfsCounter, 1238 mSDsluCounter, 9121 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 9764 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:53,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1238 Valid, 9764 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97661 states. [2022-01-18 01:05:55,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97661 to 91061. [2022-01-18 01:05:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91061 states, 91060 states have (on average 2.847474192839886) internal successors, (259291), 91060 states have internal predecessors, (259291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91061 states to 91061 states and 259291 transitions. [2022-01-18 01:05:55,982 INFO L78 Accepts]: Start accepts. Automaton has 91061 states and 259291 transitions. Word has length 231 [2022-01-18 01:05:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:05:55,982 INFO L470 AbstractCegarLoop]: Abstraction has 91061 states and 259291 transitions. [2022-01-18 01:05:55,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 91061 states and 259291 transitions. [2022-01-18 01:05:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:05:56,469 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:05:56,469 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:05:56,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 01:05:56,469 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:05:56,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:05:56,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2121539584, now seen corresponding path program 95 times [2022-01-18 01:05:56,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:05:56,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815835089] [2022-01-18 01:05:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:05:56,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:05:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:05:56,611 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:05:56,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:05:56,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815835089] [2022-01-18 01:05:56,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815835089] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:05:56,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:05:56,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:05:56,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065293057] [2022-01-18 01:05:56,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:05:56,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:05:56,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:05:56,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:05:56,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:05:56,612 INFO L87 Difference]: Start difference. First operand 91061 states and 259291 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:05:58,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:05:58,045 INFO L93 Difference]: Finished difference Result 97761 states and 276398 transitions. [2022-01-18 01:05:58,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 01:05:58,045 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:05:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:05:58,241 INFO L225 Difference]: With dead ends: 97761 [2022-01-18 01:05:58,242 INFO L226 Difference]: Without dead ends: 97761 [2022-01-18 01:05:58,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=596, Invalid=1566, Unknown=0, NotChecked=0, Total=2162 [2022-01-18 01:05:58,242 INFO L933 BasicCegarLoop]: 779 mSDtfsCounter, 1272 mSDsluCounter, 9159 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 9808 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:05:58,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 9808 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:05:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97761 states. [2022-01-18 01:06:00,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97761 to 91049. [2022-01-18 01:06:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91049 states, 91048 states have (on average 2.847487039803181) internal successors, (259258), 91048 states have internal predecessors, (259258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91049 states to 91049 states and 259258 transitions. [2022-01-18 01:06:00,479 INFO L78 Accepts]: Start accepts. Automaton has 91049 states and 259258 transitions. Word has length 231 [2022-01-18 01:06:00,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:00,480 INFO L470 AbstractCegarLoop]: Abstraction has 91049 states and 259258 transitions. [2022-01-18 01:06:00,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 91049 states and 259258 transitions. [2022-01-18 01:06:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:00,636 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:00,636 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:00,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 01:06:00,636 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:00,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:00,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2084437786, now seen corresponding path program 96 times [2022-01-18 01:06:00,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:00,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803087721] [2022-01-18 01:06:00,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:00,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:00,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:00,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803087721] [2022-01-18 01:06:00,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803087721] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:00,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:00,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:00,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243298870] [2022-01-18 01:06:00,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:00,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:00,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:00,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:00,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:00,751 INFO L87 Difference]: Start difference. First operand 91049 states and 259258 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:02,664 INFO L93 Difference]: Finished difference Result 97915 states and 276696 transitions. [2022-01-18 01:06:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:06:02,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:02,869 INFO L225 Difference]: With dead ends: 97915 [2022-01-18 01:06:02,869 INFO L226 Difference]: Without dead ends: 97915 [2022-01-18 01:06:02,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=695, Invalid=1755, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 01:06:02,870 INFO L933 BasicCegarLoop]: 815 mSDtfsCounter, 1351 mSDsluCounter, 9381 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 10053 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:02,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 10053 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 01:06:03,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97915 states. [2022-01-18 01:06:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97915 to 90993. [2022-01-18 01:06:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90993 states, 90992 states have (on average 2.8475470371021627) internal successors, (259104), 90992 states have internal predecessors, (259104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90993 states to 90993 states and 259104 transitions. [2022-01-18 01:06:04,874 INFO L78 Accepts]: Start accepts. Automaton has 90993 states and 259104 transitions. Word has length 231 [2022-01-18 01:06:04,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:04,875 INFO L470 AbstractCegarLoop]: Abstraction has 90993 states and 259104 transitions. [2022-01-18 01:06:04,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 90993 states and 259104 transitions. [2022-01-18 01:06:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:05,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:05,384 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:05,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 01:06:05,384 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:05,384 INFO L85 PathProgramCache]: Analyzing trace with hash 587100418, now seen corresponding path program 97 times [2022-01-18 01:06:05,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:05,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839567839] [2022-01-18 01:06:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:05,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:05,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:05,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839567839] [2022-01-18 01:06:05,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839567839] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:05,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:05,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:05,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620538788] [2022-01-18 01:06:05,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:05,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:05,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:05,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:05,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:05,616 INFO L87 Difference]: Start difference. First operand 90993 states and 259104 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:06,974 INFO L93 Difference]: Finished difference Result 97914 states and 276803 transitions. [2022-01-18 01:06:06,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:06:06,974 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:07,170 INFO L225 Difference]: With dead ends: 97914 [2022-01-18 01:06:07,170 INFO L226 Difference]: Without dead ends: 97914 [2022-01-18 01:06:07,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=465, Invalid=1175, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:06:07,170 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 1247 mSDsluCounter, 9008 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 9641 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:07,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 9641 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:07,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97914 states. [2022-01-18 01:06:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97914 to 91025. [2022-01-18 01:06:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91025 states, 91024 states have (on average 2.8475127438917207) internal successors, (259192), 91024 states have internal predecessors, (259192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91025 states to 91025 states and 259192 transitions. [2022-01-18 01:06:09,463 INFO L78 Accepts]: Start accepts. Automaton has 91025 states and 259192 transitions. Word has length 231 [2022-01-18 01:06:09,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:09,463 INFO L470 AbstractCegarLoop]: Abstraction has 91025 states and 259192 transitions. [2022-01-18 01:06:09,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 91025 states and 259192 transitions. [2022-01-18 01:06:09,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:09,611 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:09,611 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:09,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 01:06:09,611 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:09,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:09,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1440826976, now seen corresponding path program 98 times [2022-01-18 01:06:09,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:09,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564118503] [2022-01-18 01:06:09,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:09,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:09,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:09,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564118503] [2022-01-18 01:06:09,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564118503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:09,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:09,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:09,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128538408] [2022-01-18 01:06:09,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:09,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:09,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:09,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:09,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:09,727 INFO L87 Difference]: Start difference. First operand 91025 states and 259192 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:11,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:11,418 INFO L93 Difference]: Finished difference Result 97958 states and 276916 transitions. [2022-01-18 01:06:11,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:06:11,418 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:11,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:11,623 INFO L225 Difference]: With dead ends: 97958 [2022-01-18 01:06:11,624 INFO L226 Difference]: Without dead ends: 97958 [2022-01-18 01:06:11,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1309, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:06:11,624 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 1235 mSDsluCounter, 9062 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 9699 SdHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:11,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 9699 Invalid, 1564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97958 states. [2022-01-18 01:06:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97958 to 91021. [2022-01-18 01:06:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91021 states, 91020 states have (on average 2.8475170292243464) internal successors, (259181), 91020 states have internal predecessors, (259181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91021 states to 91021 states and 259181 transitions. [2022-01-18 01:06:13,670 INFO L78 Accepts]: Start accepts. Automaton has 91021 states and 259181 transitions. Word has length 231 [2022-01-18 01:06:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:13,670 INFO L470 AbstractCegarLoop]: Abstraction has 91021 states and 259181 transitions. [2022-01-18 01:06:13,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 91021 states and 259181 transitions. [2022-01-18 01:06:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:13,813 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:13,814 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:13,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 01:06:13,814 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1863574234, now seen corresponding path program 99 times [2022-01-18 01:06:13,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:13,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478639767] [2022-01-18 01:06:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:13,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:14,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:14,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478639767] [2022-01-18 01:06:14,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478639767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:14,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:14,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:14,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249220125] [2022-01-18 01:06:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:14,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:14,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:14,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:14,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:14,280 INFO L87 Difference]: Start difference. First operand 91021 states and 259181 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:15,753 INFO L93 Difference]: Finished difference Result 98054 states and 277160 transitions. [2022-01-18 01:06:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 01:06:15,753 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:15,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:15,949 INFO L225 Difference]: With dead ends: 98054 [2022-01-18 01:06:15,949 INFO L226 Difference]: Without dead ends: 98054 [2022-01-18 01:06:15,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1556, Unknown=0, NotChecked=0, Total=2162 [2022-01-18 01:06:15,949 INFO L933 BasicCegarLoop]: 772 mSDtfsCounter, 1269 mSDsluCounter, 9100 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 9743 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:15,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1269 Valid, 9743 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:16,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98054 states. [2022-01-18 01:06:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98054 to 91009. [2022-01-18 01:06:18,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91009 states, 91008 states have (on average 2.8475298874824193) internal successors, (259148), 91008 states have internal predecessors, (259148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91009 states to 91009 states and 259148 transitions. [2022-01-18 01:06:18,234 INFO L78 Accepts]: Start accepts. Automaton has 91009 states and 259148 transitions. Word has length 231 [2022-01-18 01:06:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:18,234 INFO L470 AbstractCegarLoop]: Abstraction has 91009 states and 259148 transitions. [2022-01-18 01:06:18,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 91009 states and 259148 transitions. [2022-01-18 01:06:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:18,378 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:18,378 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:18,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 01:06:18,379 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:18,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:18,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1774584308, now seen corresponding path program 100 times [2022-01-18 01:06:18,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:18,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089231753] [2022-01-18 01:06:18,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:18,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:18,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:18,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089231753] [2022-01-18 01:06:18,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089231753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:18,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:18,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:18,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692952016] [2022-01-18 01:06:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:18,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:18,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:18,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:18,495 INFO L87 Difference]: Start difference. First operand 91009 states and 259148 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:20,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:20,410 INFO L93 Difference]: Finished difference Result 98324 states and 277716 transitions. [2022-01-18 01:06:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:06:20,410 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:20,639 INFO L225 Difference]: With dead ends: 98324 [2022-01-18 01:06:20,639 INFO L226 Difference]: Without dead ends: 98324 [2022-01-18 01:06:20,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=707, Invalid=1743, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 01:06:20,640 INFO L933 BasicCegarLoop]: 804 mSDtfsCounter, 1443 mSDsluCounter, 9288 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 9950 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:20,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1443 Valid, 9950 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:20,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98324 states. [2022-01-18 01:06:22,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98324 to 91005. [2022-01-18 01:06:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91005 states, 91004 states have (on average 2.847534174322008) internal successors, (259137), 91004 states have internal predecessors, (259137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91005 states to 91005 states and 259137 transitions. [2022-01-18 01:06:22,701 INFO L78 Accepts]: Start accepts. Automaton has 91005 states and 259137 transitions. Word has length 231 [2022-01-18 01:06:22,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:22,701 INFO L470 AbstractCegarLoop]: Abstraction has 91005 states and 259137 transitions. [2022-01-18 01:06:22,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 91005 states and 259137 transitions. [2022-01-18 01:06:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:23,212 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:23,212 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:23,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 01:06:23,212 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:23,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1048364154, now seen corresponding path program 101 times [2022-01-18 01:06:23,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:23,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145602296] [2022-01-18 01:06:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:23,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:23,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:23,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145602296] [2022-01-18 01:06:23,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145602296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:23,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:23,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:23,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235521496] [2022-01-18 01:06:23,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:23,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:23,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:23,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:23,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:23,382 INFO L87 Difference]: Start difference. First operand 91005 states and 259137 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:24,788 INFO L93 Difference]: Finished difference Result 97886 states and 276726 transitions. [2022-01-18 01:06:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:06:24,788 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:24,998 INFO L225 Difference]: With dead ends: 97886 [2022-01-18 01:06:24,998 INFO L226 Difference]: Without dead ends: 97886 [2022-01-18 01:06:24,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:06:24,999 INFO L933 BasicCegarLoop]: 763 mSDtfsCounter, 1239 mSDsluCounter, 9003 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 9638 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:24,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1239 Valid, 9638 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:25,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97886 states. [2022-01-18 01:06:26,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97886 to 91057. [2022-01-18 01:06:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91057 states, 91056 states have (on average 2.8474784747847477) internal successors, (259280), 91056 states have internal predecessors, (259280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91057 states to 91057 states and 259280 transitions. [2022-01-18 01:06:27,292 INFO L78 Accepts]: Start accepts. Automaton has 91057 states and 259280 transitions. Word has length 231 [2022-01-18 01:06:27,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:27,293 INFO L470 AbstractCegarLoop]: Abstraction has 91057 states and 259280 transitions. [2022-01-18 01:06:27,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand 91057 states and 259280 transitions. [2022-01-18 01:06:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:27,438 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:27,438 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:27,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 01:06:27,438 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:27,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:27,438 INFO L85 PathProgramCache]: Analyzing trace with hash -979563240, now seen corresponding path program 102 times [2022-01-18 01:06:27,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:27,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152344381] [2022-01-18 01:06:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:27,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:27,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:27,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152344381] [2022-01-18 01:06:27,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152344381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:27,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:27,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:27,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256454203] [2022-01-18 01:06:27,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:27,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:27,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:27,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:27,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:27,555 INFO L87 Difference]: Start difference. First operand 91057 states and 259280 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:29,290 INFO L93 Difference]: Finished difference Result 97896 states and 276754 transitions. [2022-01-18 01:06:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:06:29,291 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:29,476 INFO L225 Difference]: With dead ends: 97896 [2022-01-18 01:06:29,476 INFO L226 Difference]: Without dead ends: 97896 [2022-01-18 01:06:29,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=478, Invalid=1244, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:06:29,477 INFO L933 BasicCegarLoop]: 762 mSDtfsCounter, 1227 mSDsluCounter, 9022 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 9661 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:29,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1227 Valid, 9661 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1581 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:29,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97896 states. [2022-01-18 01:06:31,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97896 to 91053. [2022-01-18 01:06:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91053 states, 91052 states have (on average 2.8474827571058294) internal successors, (259269), 91052 states have internal predecessors, (259269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91053 states to 91053 states and 259269 transitions. [2022-01-18 01:06:31,514 INFO L78 Accepts]: Start accepts. Automaton has 91053 states and 259269 transitions. Word has length 231 [2022-01-18 01:06:31,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:31,514 INFO L470 AbstractCegarLoop]: Abstraction has 91053 states and 259269 transitions. [2022-01-18 01:06:31,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 91053 states and 259269 transitions. [2022-01-18 01:06:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:32,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:32,010 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:32,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 01:06:32,010 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:32,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:32,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1050470274, now seen corresponding path program 103 times [2022-01-18 01:06:32,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:32,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028438873] [2022-01-18 01:06:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:32,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:32,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:32,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028438873] [2022-01-18 01:06:32,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028438873] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:32,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:32,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:32,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885824686] [2022-01-18 01:06:32,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:32,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:32,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:32,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:32,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:32,186 INFO L87 Difference]: Start difference. First operand 91053 states and 259269 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:33,637 INFO L93 Difference]: Finished difference Result 97847 states and 276625 transitions. [2022-01-18 01:06:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:06:33,637 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:33,835 INFO L225 Difference]: With dead ends: 97847 [2022-01-18 01:06:33,836 INFO L226 Difference]: Without dead ends: 97847 [2022-01-18 01:06:33,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=579, Invalid=1401, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:06:33,836 INFO L933 BasicCegarLoop]: 766 mSDtfsCounter, 1265 mSDsluCounter, 8990 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:33,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 9628 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97847 states. [2022-01-18 01:06:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97847 to 91041. [2022-01-18 01:06:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91041 states, 91040 states have (on average 2.8474956063268895) internal successors, (259236), 91040 states have internal predecessors, (259236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91041 states to 91041 states and 259236 transitions. [2022-01-18 01:06:36,124 INFO L78 Accepts]: Start accepts. Automaton has 91041 states and 259236 transitions. Word has length 231 [2022-01-18 01:06:36,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:36,124 INFO L470 AbstractCegarLoop]: Abstraction has 91041 states and 259236 transitions. [2022-01-18 01:06:36,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 91041 states and 259236 transitions. [2022-01-18 01:06:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:36,282 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:36,282 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:36,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 01:06:36,282 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:36,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1181187634, now seen corresponding path program 104 times [2022-01-18 01:06:36,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:36,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985563500] [2022-01-18 01:06:36,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:36,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:36,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:36,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985563500] [2022-01-18 01:06:36,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985563500] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:36,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:36,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:36,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319383575] [2022-01-18 01:06:36,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:36,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:36,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:36,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:36,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:36,400 INFO L87 Difference]: Start difference. First operand 91041 states and 259236 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:38,097 INFO L93 Difference]: Finished difference Result 97848 states and 276634 transitions. [2022-01-18 01:06:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:06:38,097 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:38,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:38,303 INFO L225 Difference]: With dead ends: 97848 [2022-01-18 01:06:38,303 INFO L226 Difference]: Without dead ends: 97848 [2022-01-18 01:06:38,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=487, Invalid=1235, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:06:38,303 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 1236 mSDsluCounter, 9003 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:38,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1236 Valid, 9640 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97848 states. [2022-01-18 01:06:39,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97848 to 91057. [2022-01-18 01:06:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91057 states, 91056 states have (on average 2.8474784747847477) internal successors, (259280), 91056 states have internal predecessors, (259280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91057 states to 91057 states and 259280 transitions. [2022-01-18 01:06:40,295 INFO L78 Accepts]: Start accepts. Automaton has 91057 states and 259280 transitions. Word has length 231 [2022-01-18 01:06:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:40,295 INFO L470 AbstractCegarLoop]: Abstraction has 91057 states and 259280 transitions. [2022-01-18 01:06:40,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 91057 states and 259280 transitions. [2022-01-18 01:06:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:40,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:40,441 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:40,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 01:06:40,441 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:40,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:40,441 INFO L85 PathProgramCache]: Analyzing trace with hash -846739760, now seen corresponding path program 105 times [2022-01-18 01:06:40,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:40,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517040932] [2022-01-18 01:06:40,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:40,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:40,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:40,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517040932] [2022-01-18 01:06:40,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517040932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:40,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:40,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:40,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987726595] [2022-01-18 01:06:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:40,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:40,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:40,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:40,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:40,901 INFO L87 Difference]: Start difference. First operand 91057 states and 259280 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:42,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:42,243 INFO L93 Difference]: Finished difference Result 97869 states and 276690 transitions. [2022-01-18 01:06:42,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:06:42,243 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:42,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:42,446 INFO L225 Difference]: With dead ends: 97869 [2022-01-18 01:06:42,447 INFO L226 Difference]: Without dead ends: 97869 [2022-01-18 01:06:42,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=502, Invalid=1304, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:06:42,447 INFO L933 BasicCegarLoop]: 764 mSDtfsCounter, 1230 mSDsluCounter, 9026 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 9667 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:42,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1230 Valid, 9667 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:42,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97869 states. [2022-01-18 01:06:44,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97869 to 91053. [2022-01-18 01:06:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91053 states, 91052 states have (on average 2.8474827571058294) internal successors, (259269), 91052 states have internal predecessors, (259269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91053 states to 91053 states and 259269 transitions. [2022-01-18 01:06:44,751 INFO L78 Accepts]: Start accepts. Automaton has 91053 states and 259269 transitions. Word has length 231 [2022-01-18 01:06:44,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:44,751 INFO L470 AbstractCegarLoop]: Abstraction has 91053 states and 259269 transitions. [2022-01-18 01:06:44,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 91053 states and 259269 transitions. [2022-01-18 01:06:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:44,897 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:44,897 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:44,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 01:06:44,897 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:44,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:44,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1837305846, now seen corresponding path program 106 times [2022-01-18 01:06:44,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:44,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722132068] [2022-01-18 01:06:44,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:44,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:45,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:45,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722132068] [2022-01-18 01:06:45,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722132068] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:45,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:45,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:45,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269141642] [2022-01-18 01:06:45,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:45,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:45,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:45,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:45,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:45,011 INFO L87 Difference]: Start difference. First operand 91053 states and 259269 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:46,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:46,815 INFO L93 Difference]: Finished difference Result 97871 states and 276688 transitions. [2022-01-18 01:06:46,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:06:46,815 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:46,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:47,018 INFO L225 Difference]: With dead ends: 97871 [2022-01-18 01:06:47,018 INFO L226 Difference]: Without dead ends: 97871 [2022-01-18 01:06:47,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=588, Invalid=1482, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:06:47,018 INFO L933 BasicCegarLoop]: 769 mSDtfsCounter, 1257 mSDsluCounter, 9059 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 9704 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:47,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1257 Valid, 9704 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:47,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97871 states. [2022-01-18 01:06:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97871 to 90837. [2022-01-18 01:06:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90837 states, 90836 states have (on average 2.8477145625082567) internal successors, (258675), 90836 states have internal predecessors, (258675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90837 states to 90837 states and 258675 transitions. [2022-01-18 01:06:48,995 INFO L78 Accepts]: Start accepts. Automaton has 90837 states and 258675 transitions. Word has length 231 [2022-01-18 01:06:48,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:48,995 INFO L470 AbstractCegarLoop]: Abstraction has 90837 states and 258675 transitions. [2022-01-18 01:06:48,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 90837 states and 258675 transitions. [2022-01-18 01:06:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:49,141 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:49,141 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:49,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 01:06:49,141 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:49,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:49,142 INFO L85 PathProgramCache]: Analyzing trace with hash 884762928, now seen corresponding path program 107 times [2022-01-18 01:06:49,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:49,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117669881] [2022-01-18 01:06:49,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:49,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:49,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:49,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117669881] [2022-01-18 01:06:49,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117669881] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:49,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:49,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:49,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944787354] [2022-01-18 01:06:49,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:49,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:49,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:49,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:49,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:49,624 INFO L87 Difference]: Start difference. First operand 90837 states and 258675 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:50,904 INFO L93 Difference]: Finished difference Result 97215 states and 274937 transitions. [2022-01-18 01:06:50,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:06:50,904 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:50,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:51,105 INFO L225 Difference]: With dead ends: 97215 [2022-01-18 01:06:51,105 INFO L226 Difference]: Without dead ends: 97215 [2022-01-18 01:06:51,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=471, Invalid=1169, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:06:51,105 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 1256 mSDsluCounter, 8895 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 9524 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:51,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1256 Valid, 9524 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97215 states. [2022-01-18 01:06:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97215 to 90873. [2022-01-18 01:06:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90873 states, 90872 states have (on average 2.847675851747513) internal successors, (258774), 90872 states have internal predecessors, (258774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90873 states to 90873 states and 258774 transitions. [2022-01-18 01:06:53,473 INFO L78 Accepts]: Start accepts. Automaton has 90873 states and 258774 transitions. Word has length 231 [2022-01-18 01:06:53,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:53,473 INFO L470 AbstractCegarLoop]: Abstraction has 90873 states and 258774 transitions. [2022-01-18 01:06:53,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 90873 states and 258774 transitions. [2022-01-18 01:06:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:53,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:53,614 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:53,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 01:06:53,614 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:53,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:53,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1143164466, now seen corresponding path program 108 times [2022-01-18 01:06:53,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:53,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719493272] [2022-01-18 01:06:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:53,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:53,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:53,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719493272] [2022-01-18 01:06:53,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719493272] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:53,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:53,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:53,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84986072] [2022-01-18 01:06:53,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:53,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:53,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:53,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:53,727 INFO L87 Difference]: Start difference. First operand 90873 states and 258774 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:55,390 INFO L93 Difference]: Finished difference Result 97278 states and 275096 transitions. [2022-01-18 01:06:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:06:55,391 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:55,617 INFO L225 Difference]: With dead ends: 97278 [2022-01-18 01:06:55,617 INFO L226 Difference]: Without dead ends: 97278 [2022-01-18 01:06:55,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1299, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:06:55,618 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1244 mSDsluCounter, 8943 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 9576 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:55,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 9576 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97278 states. [2022-01-18 01:06:57,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97278 to 90869. [2022-01-18 01:06:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90869 states, 90868 states have (on average 2.8476801514284458) internal successors, (258763), 90868 states have internal predecessors, (258763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90869 states to 90869 states and 258763 transitions. [2022-01-18 01:06:57,547 INFO L78 Accepts]: Start accepts. Automaton has 90869 states and 258763 transitions. Word has length 231 [2022-01-18 01:06:57,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:06:57,547 INFO L470 AbstractCegarLoop]: Abstraction has 90869 states and 258763 transitions. [2022-01-18 01:06:57,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 90869 states and 258763 transitions. [2022-01-18 01:06:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:06:57,696 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:06:57,696 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:06:57,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 01:06:57,696 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:06:57,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:06:57,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2133730552, now seen corresponding path program 109 times [2022-01-18 01:06:57,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:06:57,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966055163] [2022-01-18 01:06:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:06:57,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:06:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:06:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:06:57,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:06:57,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966055163] [2022-01-18 01:06:57,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966055163] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:06:57,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:06:57,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:06:57,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833823102] [2022-01-18 01:06:57,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:06:57,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:06:57,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:06:57,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:06:57,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:06:57,813 INFO L87 Difference]: Start difference. First operand 90869 states and 258763 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:06:59,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:06:59,539 INFO L93 Difference]: Finished difference Result 97370 states and 275329 transitions. [2022-01-18 01:06:59,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 01:06:59,540 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:06:59,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:06:59,730 INFO L225 Difference]: With dead ends: 97370 [2022-01-18 01:06:59,730 INFO L226 Difference]: Without dead ends: 97370 [2022-01-18 01:06:59,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=620, Invalid=1542, Unknown=0, NotChecked=0, Total=2162 [2022-01-18 01:06:59,730 INFO L933 BasicCegarLoop]: 763 mSDtfsCounter, 1278 mSDsluCounter, 8974 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 9613 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:06:59,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1278 Valid, 9613 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:06:59,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97370 states. [2022-01-18 01:07:01,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97370 to 90857. [2022-01-18 01:07:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90857 states, 90856 states have (on average 2.8476930527428017) internal successors, (258730), 90856 states have internal predecessors, (258730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90857 states to 90857 states and 258730 transitions. [2022-01-18 01:07:02,122 INFO L78 Accepts]: Start accepts. Automaton has 90857 states and 258730 transitions. Word has length 231 [2022-01-18 01:07:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:02,122 INFO L470 AbstractCegarLoop]: Abstraction has 90857 states and 258730 transitions. [2022-01-18 01:07:02,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 90857 states and 258730 transitions. [2022-01-18 01:07:02,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:02,287 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:02,287 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:02,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 01:07:02,288 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:02,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:02,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2072246818, now seen corresponding path program 110 times [2022-01-18 01:07:02,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:02,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066402536] [2022-01-18 01:07:02,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:02,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:02,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066402536] [2022-01-18 01:07:02,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066402536] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:02,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:02,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:02,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098207781] [2022-01-18 01:07:02,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:02,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:02,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:02,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:02,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:02,404 INFO L87 Difference]: Start difference. First operand 90857 states and 258730 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:04,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:04,259 INFO L93 Difference]: Finished difference Result 97493 states and 275552 transitions. [2022-01-18 01:07:04,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 01:07:04,271 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:04,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:04,482 INFO L225 Difference]: With dead ends: 97493 [2022-01-18 01:07:04,482 INFO L226 Difference]: Without dead ends: 97493 [2022-01-18 01:07:04,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=725, Invalid=1725, Unknown=0, NotChecked=0, Total=2450 [2022-01-18 01:07:04,483 INFO L933 BasicCegarLoop]: 794 mSDtfsCounter, 1394 mSDsluCounter, 9126 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 9785 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:04,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1394 Valid, 9785 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:04,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97493 states. [2022-01-18 01:07:06,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97493 to 90853. [2022-01-18 01:07:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90853 states, 90852 states have (on average 2.847697353938273) internal successors, (258719), 90852 states have internal predecessors, (258719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90853 states to 90853 states and 258719 transitions. [2022-01-18 01:07:06,444 INFO L78 Accepts]: Start accepts. Automaton has 90853 states and 258719 transitions. Word has length 231 [2022-01-18 01:07:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:06,444 INFO L470 AbstractCegarLoop]: Abstraction has 90853 states and 258719 transitions. [2022-01-18 01:07:06,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 90853 states and 258719 transitions. [2022-01-18 01:07:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:06,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:06,589 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:06,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 01:07:06,589 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:06,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:06,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1346026664, now seen corresponding path program 111 times [2022-01-18 01:07:06,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:06,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961375455] [2022-01-18 01:07:06,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:06,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:06,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:06,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961375455] [2022-01-18 01:07:06,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961375455] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:06,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:06,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:06,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660195356] [2022-01-18 01:07:06,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:06,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:06,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:06,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:06,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:06,701 INFO L87 Difference]: Start difference. First operand 90853 states and 258719 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:08,334 INFO L93 Difference]: Finished difference Result 97448 states and 275563 transitions. [2022-01-18 01:07:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:07:08,334 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:08,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:08,527 INFO L225 Difference]: With dead ends: 97448 [2022-01-18 01:07:08,527 INFO L226 Difference]: Without dead ends: 97448 [2022-01-18 01:07:08,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=517, Invalid=1289, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:07:08,527 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1254 mSDsluCounter, 8889 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 9522 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:08,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 9522 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:07:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97448 states. [2022-01-18 01:07:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97448 to 90905. [2022-01-18 01:07:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90905 states, 90904 states have (on average 2.8476414679222035) internal successors, (258862), 90904 states have internal predecessors, (258862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90905 states to 90905 states and 258862 transitions. [2022-01-18 01:07:10,818 INFO L78 Accepts]: Start accepts. Automaton has 90905 states and 258862 transitions. Word has length 231 [2022-01-18 01:07:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:10,818 INFO L470 AbstractCegarLoop]: Abstraction has 90905 states and 258862 transitions. [2022-01-18 01:07:10,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 90905 states and 258862 transitions. [2022-01-18 01:07:10,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:10,968 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:10,968 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:10,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 01:07:10,969 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:10,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:10,969 INFO L85 PathProgramCache]: Analyzing trace with hash -681900730, now seen corresponding path program 112 times [2022-01-18 01:07:10,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:10,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985919118] [2022-01-18 01:07:10,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:10,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:11,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:11,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985919118] [2022-01-18 01:07:11,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985919118] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:11,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:11,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:11,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172744906] [2022-01-18 01:07:11,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:11,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:11,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:11,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:11,082 INFO L87 Difference]: Start difference. First operand 90905 states and 258862 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:12,385 INFO L93 Difference]: Finished difference Result 97458 states and 275591 transitions. [2022-01-18 01:07:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:07:12,385 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:12,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:12,935 INFO L225 Difference]: With dead ends: 97458 [2022-01-18 01:07:12,935 INFO L226 Difference]: Without dead ends: 97458 [2022-01-18 01:07:12,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=488, Invalid=1234, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:07:12,935 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 1242 mSDsluCounter, 8903 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 9540 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:12,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 9540 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:13,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97458 states. [2022-01-18 01:07:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97458 to 90901. [2022-01-18 01:07:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90901 states, 90900 states have (on average 2.8476457645764577) internal successors, (258851), 90900 states have internal predecessors, (258851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90901 states to 90901 states and 258851 transitions. [2022-01-18 01:07:14,796 INFO L78 Accepts]: Start accepts. Automaton has 90901 states and 258851 transitions. Word has length 231 [2022-01-18 01:07:14,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:14,796 INFO L470 AbstractCegarLoop]: Abstraction has 90901 states and 258851 transitions. [2022-01-18 01:07:14,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:14,796 INFO L276 IsEmpty]: Start isEmpty. Operand 90901 states and 258851 transitions. [2022-01-18 01:07:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:14,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:14,941 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:14,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 01:07:14,941 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash -752807764, now seen corresponding path program 113 times [2022-01-18 01:07:14,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:14,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62041116] [2022-01-18 01:07:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:14,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:15,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:15,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62041116] [2022-01-18 01:07:15,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62041116] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:15,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:15,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:15,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232137435] [2022-01-18 01:07:15,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:15,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:15,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:15,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:15,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:15,054 INFO L87 Difference]: Start difference. First operand 90901 states and 258851 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:16,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:16,765 INFO L93 Difference]: Finished difference Result 97499 states and 275672 transitions. [2022-01-18 01:07:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:07:16,766 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:16,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:16,961 INFO L225 Difference]: With dead ends: 97499 [2022-01-18 01:07:16,961 INFO L226 Difference]: Without dead ends: 97499 [2022-01-18 01:07:16,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=585, Invalid=1395, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:07:16,962 INFO L933 BasicCegarLoop]: 759 mSDtfsCounter, 1285 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 9511 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:16,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1285 Valid, 9511 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:07:17,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97499 states. [2022-01-18 01:07:18,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97499 to 90889. [2022-01-18 01:07:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90889 states, 90888 states have (on average 2.8476586568083797) internal successors, (258818), 90888 states have internal predecessors, (258818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90889 states to 90889 states and 258818 transitions. [2022-01-18 01:07:19,262 INFO L78 Accepts]: Start accepts. Automaton has 90889 states and 258818 transitions. Word has length 231 [2022-01-18 01:07:19,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:19,262 INFO L470 AbstractCegarLoop]: Abstraction has 90889 states and 258818 transitions. [2022-01-18 01:07:19,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 90889 states and 258818 transitions. [2022-01-18 01:07:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:19,411 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:19,411 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:19,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 01:07:19,412 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:19,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1478850144, now seen corresponding path program 114 times [2022-01-18 01:07:19,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:19,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556542769] [2022-01-18 01:07:19,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:19,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:19,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:19,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556542769] [2022-01-18 01:07:19,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556542769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:19,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:19,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:19,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395501176] [2022-01-18 01:07:19,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:19,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:19,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:19,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:19,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:19,526 INFO L87 Difference]: Start difference. First operand 90889 states and 258818 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:20,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:20,862 INFO L93 Difference]: Finished difference Result 97485 states and 275646 transitions. [2022-01-18 01:07:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:07:20,863 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:21,057 INFO L225 Difference]: With dead ends: 97485 [2022-01-18 01:07:21,057 INFO L226 Difference]: Without dead ends: 97485 [2022-01-18 01:07:21,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=493, Invalid=1229, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:07:21,058 INFO L933 BasicCegarLoop]: 758 mSDtfsCounter, 1251 mSDsluCounter, 8891 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 9526 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:21,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1251 Valid, 9526 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:21,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97485 states. [2022-01-18 01:07:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97485 to 90905. [2022-01-18 01:07:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90905 states, 90904 states have (on average 2.8476414679222035) internal successors, (258862), 90904 states have internal predecessors, (258862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:23,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90905 states to 90905 states and 258862 transitions. [2022-01-18 01:07:23,223 INFO L78 Accepts]: Start accepts. Automaton has 90905 states and 258862 transitions. Word has length 231 [2022-01-18 01:07:23,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:23,223 INFO L470 AbstractCegarLoop]: Abstraction has 90905 states and 258862 transitions. [2022-01-18 01:07:23,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 90905 states and 258862 transitions. [2022-01-18 01:07:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:23,372 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:23,373 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:23,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 01:07:23,373 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:23,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:23,373 INFO L85 PathProgramCache]: Analyzing trace with hash -549077250, now seen corresponding path program 115 times [2022-01-18 01:07:23,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:23,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389791386] [2022-01-18 01:07:23,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:23,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:23,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:23,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389791386] [2022-01-18 01:07:23,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389791386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:23,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:23,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:23,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345422944] [2022-01-18 01:07:23,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:23,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:23,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:23,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:23,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:23,487 INFO L87 Difference]: Start difference. First operand 90905 states and 258862 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:25,154 INFO L93 Difference]: Finished difference Result 97491 states and 275667 transitions. [2022-01-18 01:07:25,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:07:25,155 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:25,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:25,348 INFO L225 Difference]: With dead ends: 97491 [2022-01-18 01:07:25,348 INFO L226 Difference]: Without dead ends: 97491 [2022-01-18 01:07:25,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=512, Invalid=1294, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:07:25,349 INFO L933 BasicCegarLoop]: 757 mSDtfsCounter, 1245 mSDsluCounter, 8909 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9548 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:25,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1245 Valid, 9548 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:07:25,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97491 states. [2022-01-18 01:07:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97491 to 90901. [2022-01-18 01:07:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90901 states, 90900 states have (on average 2.8476457645764577) internal successors, (258851), 90900 states have internal predecessors, (258851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90901 states to 90901 states and 258851 transitions. [2022-01-18 01:07:27,645 INFO L78 Accepts]: Start accepts. Automaton has 90901 states and 258851 transitions. Word has length 231 [2022-01-18 01:07:27,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:27,645 INFO L470 AbstractCegarLoop]: Abstraction has 90901 states and 258851 transitions. [2022-01-18 01:07:27,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 90901 states and 258851 transitions. [2022-01-18 01:07:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:27,796 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:27,796 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:27,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 01:07:27,797 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1539643336, now seen corresponding path program 116 times [2022-01-18 01:07:27,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:27,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335678811] [2022-01-18 01:07:27,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:27,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:27,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:27,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335678811] [2022-01-18 01:07:27,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335678811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:27,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:27,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:27,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953697341] [2022-01-18 01:07:27,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:27,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:27,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:27,914 INFO L87 Difference]: Start difference. First operand 90901 states and 258851 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:29,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:29,337 INFO L93 Difference]: Finished difference Result 97523 states and 275735 transitions. [2022-01-18 01:07:29,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:07:29,337 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:29,536 INFO L225 Difference]: With dead ends: 97523 [2022-01-18 01:07:29,536 INFO L226 Difference]: Without dead ends: 97523 [2022-01-18 01:07:29,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=602, Invalid=1468, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:07:29,537 INFO L933 BasicCegarLoop]: 762 mSDtfsCounter, 1272 mSDsluCounter, 8936 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 9579 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:29,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 9579 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:29,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97523 states. [2022-01-18 01:07:31,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97523 to 90841. [2022-01-18 01:07:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90841 states, 90840 states have (on average 2.847710259797446) internal successors, (258686), 90840 states have internal predecessors, (258686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90841 states to 90841 states and 258686 transitions. [2022-01-18 01:07:31,689 INFO L78 Accepts]: Start accepts. Automaton has 90841 states and 258686 transitions. Word has length 231 [2022-01-18 01:07:31,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:31,689 INFO L470 AbstractCegarLoop]: Abstraction has 90841 states and 258686 transitions. [2022-01-18 01:07:31,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 90841 states and 258686 transitions. [2022-01-18 01:07:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:31,839 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:31,839 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:31,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 01:07:31,839 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:31,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:31,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1403352596, now seen corresponding path program 117 times [2022-01-18 01:07:31,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:31,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313147584] [2022-01-18 01:07:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:31,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:31,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:31,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313147584] [2022-01-18 01:07:31,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313147584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:31,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:31,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:31,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724990765] [2022-01-18 01:07:31,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:31,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:31,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:31,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:31,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:31,954 INFO L87 Difference]: Start difference. First operand 90841 states and 258686 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:33,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:33,708 INFO L93 Difference]: Finished difference Result 97211 states and 274930 transitions. [2022-01-18 01:07:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:07:33,708 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:33,916 INFO L225 Difference]: With dead ends: 97211 [2022-01-18 01:07:33,916 INFO L226 Difference]: Without dead ends: 97211 [2022-01-18 01:07:33,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=512, Invalid=1294, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:07:33,917 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 1247 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 9509 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:33,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 9509 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97211 states. [2022-01-18 01:07:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97211 to 90905. [2022-01-18 01:07:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90905 states, 90904 states have (on average 2.8476414679222035) internal successors, (258862), 90904 states have internal predecessors, (258862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90905 states to 90905 states and 258862 transitions. [2022-01-18 01:07:36,358 INFO L78 Accepts]: Start accepts. Automaton has 90905 states and 258862 transitions. Word has length 231 [2022-01-18 01:07:36,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:36,359 INFO L470 AbstractCegarLoop]: Abstraction has 90905 states and 258862 transitions. [2022-01-18 01:07:36,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 90905 states and 258862 transitions. [2022-01-18 01:07:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:36,500 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:36,500 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:36,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 01:07:36,501 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:36,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:36,501 INFO L85 PathProgramCache]: Analyzing trace with hash 863687306, now seen corresponding path program 118 times [2022-01-18 01:07:36,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:36,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183442509] [2022-01-18 01:07:36,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:36,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:36,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:36,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183442509] [2022-01-18 01:07:36,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183442509] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:36,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:36,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:36,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649821797] [2022-01-18 01:07:36,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:36,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:36,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:36,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:36,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:36,620 INFO L87 Difference]: Start difference. First operand 90905 states and 258862 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:37,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:37,941 INFO L93 Difference]: Finished difference Result 97233 states and 274991 transitions. [2022-01-18 01:07:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:07:37,942 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:38,149 INFO L225 Difference]: With dead ends: 97233 [2022-01-18 01:07:38,149 INFO L226 Difference]: Without dead ends: 97233 [2022-01-18 01:07:38,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=493, Invalid=1229, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:07:38,150 INFO L933 BasicCegarLoop]: 750 mSDtfsCounter, 1235 mSDsluCounter, 8868 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 9506 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:38,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 9506 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97233 states. [2022-01-18 01:07:40,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97233 to 90901. [2022-01-18 01:07:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90901 states, 90900 states have (on average 2.8476457645764577) internal successors, (258851), 90900 states have internal predecessors, (258851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90901 states to 90901 states and 258851 transitions. [2022-01-18 01:07:40,374 INFO L78 Accepts]: Start accepts. Automaton has 90901 states and 258851 transitions. Word has length 231 [2022-01-18 01:07:40,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:40,374 INFO L470 AbstractCegarLoop]: Abstraction has 90901 states and 258851 transitions. [2022-01-18 01:07:40,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 90901 states and 258851 transitions. [2022-01-18 01:07:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:40,525 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:40,526 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:40,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 01:07:40,526 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:40,526 INFO L85 PathProgramCache]: Analyzing trace with hash 792780272, now seen corresponding path program 119 times [2022-01-18 01:07:40,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:40,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272545031] [2022-01-18 01:07:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:40,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:40,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:40,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272545031] [2022-01-18 01:07:40,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272545031] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:40,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:40,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:40,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020486991] [2022-01-18 01:07:40,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:40,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:40,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:40,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:40,640 INFO L87 Difference]: Start difference. First operand 90901 states and 258851 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:42,494 INFO L93 Difference]: Finished difference Result 97367 states and 275309 transitions. [2022-01-18 01:07:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-18 01:07:42,494 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:42,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:42,691 INFO L225 Difference]: With dead ends: 97367 [2022-01-18 01:07:42,691 INFO L226 Difference]: Without dead ends: 97367 [2022-01-18 01:07:42,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=602, Invalid=1468, Unknown=0, NotChecked=0, Total=2070 [2022-01-18 01:07:42,691 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 1279 mSDsluCounter, 8898 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 9535 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:42,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1279 Valid, 9535 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97367 states. [2022-01-18 01:07:44,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97367 to 90889. [2022-01-18 01:07:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90889 states, 90888 states have (on average 2.8476586568083797) internal successors, (258818), 90888 states have internal predecessors, (258818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90889 states to 90889 states and 258818 transitions. [2022-01-18 01:07:44,727 INFO L78 Accepts]: Start accepts. Automaton has 90889 states and 258818 transitions. Word has length 231 [2022-01-18 01:07:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:44,728 INFO L470 AbstractCegarLoop]: Abstraction has 90889 states and 258818 transitions. [2022-01-18 01:07:44,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 90889 states and 258818 transitions. [2022-01-18 01:07:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:45,222 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:45,222 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:45,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 01:07:45,223 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:45,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:45,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2036716520, now seen corresponding path program 120 times [2022-01-18 01:07:45,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:45,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799966708] [2022-01-18 01:07:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:45,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:45,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:45,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799966708] [2022-01-18 01:07:45,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799966708] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:45,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:45,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:45,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095427707] [2022-01-18 01:07:45,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:45,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:45,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:45,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:45,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:45,339 INFO L87 Difference]: Start difference. First operand 90889 states and 258818 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:46,680 INFO L93 Difference]: Finished difference Result 97227 states and 274974 transitions. [2022-01-18 01:07:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 01:07:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:46,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:46,901 INFO L225 Difference]: With dead ends: 97227 [2022-01-18 01:07:46,901 INFO L226 Difference]: Without dead ends: 97227 [2022-01-18 01:07:46,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=488, Invalid=1234, Unknown=0, NotChecked=0, Total=1722 [2022-01-18 01:07:46,902 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 1240 mSDsluCounter, 8879 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 9515 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:46,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1240 Valid, 9515 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97227 states. [2022-01-18 01:07:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97227 to 90905. [2022-01-18 01:07:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90905 states, 90904 states have (on average 2.8476414679222035) internal successors, (258862), 90904 states have internal predecessors, (258862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90905 states to 90905 states and 258862 transitions. [2022-01-18 01:07:49,052 INFO L78 Accepts]: Start accepts. Automaton has 90905 states and 258862 transitions. Word has length 231 [2022-01-18 01:07:49,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:49,052 INFO L470 AbstractCegarLoop]: Abstraction has 90905 states and 258862 transitions. [2022-01-18 01:07:49,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 90905 states and 258862 transitions. [2022-01-18 01:07:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:49,204 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:49,204 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:49,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 01:07:49,204 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:49,205 INFO L85 PathProgramCache]: Analyzing trace with hash 8789126, now seen corresponding path program 121 times [2022-01-18 01:07:49,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:49,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276703191] [2022-01-18 01:07:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:49,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:49,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:49,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276703191] [2022-01-18 01:07:49,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276703191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:49,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:49,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:49,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374652638] [2022-01-18 01:07:49,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:49,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:49,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:49,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:49,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:49,317 INFO L87 Difference]: Start difference. First operand 90905 states and 258862 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:51,023 INFO L93 Difference]: Finished difference Result 97229 states and 274984 transitions. [2022-01-18 01:07:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:07:51,024 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:51,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:51,217 INFO L225 Difference]: With dead ends: 97229 [2022-01-18 01:07:51,217 INFO L226 Difference]: Without dead ends: 97229 [2022-01-18 01:07:51,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=517, Invalid=1289, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:07:51,218 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 1234 mSDsluCounter, 8878 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 9519 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:51,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1234 Valid, 9519 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 01:07:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97229 states. [2022-01-18 01:07:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97229 to 90901. [2022-01-18 01:07:52,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90901 states, 90900 states have (on average 2.8476457645764577) internal successors, (258851), 90900 states have internal predecessors, (258851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90901 states to 90901 states and 258851 transitions. [2022-01-18 01:07:53,203 INFO L78 Accepts]: Start accepts. Automaton has 90901 states and 258851 transitions. Word has length 231 [2022-01-18 01:07:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:53,203 INFO L470 AbstractCegarLoop]: Abstraction has 90901 states and 258851 transitions. [2022-01-18 01:07:53,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 90901 states and 258851 transitions. [2022-01-18 01:07:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:53,691 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:53,691 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:53,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 01:07:53,691 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:53,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:53,691 INFO L85 PathProgramCache]: Analyzing trace with hash -981776960, now seen corresponding path program 122 times [2022-01-18 01:07:53,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:53,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049776503] [2022-01-18 01:07:53,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:53,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:53,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:53,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049776503] [2022-01-18 01:07:53,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049776503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:53,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:53,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:53,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986777292] [2022-01-18 01:07:53,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:53,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:53,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:53,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:53,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:53,824 INFO L87 Difference]: Start difference. First operand 90901 states and 258851 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:55,187 INFO L93 Difference]: Finished difference Result 97229 states and 274976 transitions. [2022-01-18 01:07:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-18 01:07:55,188 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:55,379 INFO L225 Difference]: With dead ends: 97229 [2022-01-18 01:07:55,379 INFO L226 Difference]: Without dead ends: 97229 [2022-01-18 01:07:55,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=585, Invalid=1395, Unknown=0, NotChecked=0, Total=1980 [2022-01-18 01:07:55,380 INFO L933 BasicCegarLoop]: 757 mSDtfsCounter, 1257 mSDsluCounter, 8893 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 9537 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:55,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1257 Valid, 9537 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:55,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97229 states. [2022-01-18 01:07:57,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97229 to 90853. [2022-01-18 01:07:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90853 states, 90852 states have (on average 2.847697353938273) internal successors, (258719), 90852 states have internal predecessors, (258719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90853 states to 90853 states and 258719 transitions. [2022-01-18 01:07:57,651 INFO L78 Accepts]: Start accepts. Automaton has 90853 states and 258719 transitions. Word has length 231 [2022-01-18 01:07:57,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:07:57,651 INFO L470 AbstractCegarLoop]: Abstraction has 90853 states and 258719 transitions. [2022-01-18 01:07:57,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 90853 states and 258719 transitions. [2022-01-18 01:07:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:07:57,800 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:07:57,800 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:07:57,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 01:07:57,800 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:07:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:07:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1409345840, now seen corresponding path program 123 times [2022-01-18 01:07:57,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:07:57,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601959435] [2022-01-18 01:07:57,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:07:57,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:07:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:07:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:07:57,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:07:57,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601959435] [2022-01-18 01:07:57,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601959435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:07:57,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:07:57,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:07:57,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346916810] [2022-01-18 01:07:57,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:07:57,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:07:57,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:07:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:07:57,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:07:57,918 INFO L87 Difference]: Start difference. First operand 90853 states and 258719 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:07:59,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:07:59,526 INFO L93 Difference]: Finished difference Result 97039 states and 274469 transitions. [2022-01-18 01:07:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-18 01:07:59,526 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:07:59,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:07:59,742 INFO L225 Difference]: With dead ends: 97039 [2022-01-18 01:07:59,742 INFO L226 Difference]: Without dead ends: 97039 [2022-01-18 01:07:59,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1299, Unknown=0, NotChecked=0, Total=1806 [2022-01-18 01:07:59,743 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 1239 mSDsluCounter, 8899 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 9534 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:07:59,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1239 Valid, 9534 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:07:59,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97039 states. [2022-01-18 01:08:01,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97039 to 90873. [2022-01-18 01:08:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90873 states, 90872 states have (on average 2.847675851747513) internal successors, (258774), 90872 states have internal predecessors, (258774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90873 states to 90873 states and 258774 transitions. [2022-01-18 01:08:01,700 INFO L78 Accepts]: Start accepts. Automaton has 90873 states and 258774 transitions. Word has length 231 [2022-01-18 01:08:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:01,700 INFO L470 AbstractCegarLoop]: Abstraction has 90873 states and 258774 transitions. [2022-01-18 01:08:01,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 90873 states and 258774 transitions. [2022-01-18 01:08:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:08:01,842 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:01,842 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:01,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 01:08:01,842 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:01,843 INFO L85 PathProgramCache]: Analyzing trace with hash -618581554, now seen corresponding path program 124 times [2022-01-18 01:08:01,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:01,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167047307] [2022-01-18 01:08:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:01,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:08:02,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:02,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167047307] [2022-01-18 01:08:02,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167047307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:02,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:02,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:08:02,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498268009] [2022-01-18 01:08:02,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:02,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:08:02,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:02,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:08:02,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:08:02,254 INFO L87 Difference]: Start difference. First operand 90873 states and 258774 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:03,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:03,515 INFO L93 Difference]: Finished difference Result 97017 states and 274417 transitions. [2022-01-18 01:08:03,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:08:03,515 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:08:03,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:03,735 INFO L225 Difference]: With dead ends: 97017 [2022-01-18 01:08:03,735 INFO L226 Difference]: Without dead ends: 97017 [2022-01-18 01:08:03,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=471, Invalid=1169, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:08:03,736 INFO L933 BasicCegarLoop]: 751 mSDtfsCounter, 1228 mSDsluCounter, 8884 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 9523 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:03,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1228 Valid, 9523 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97017 states. [2022-01-18 01:08:05,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97017 to 90869. [2022-01-18 01:08:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90869 states, 90868 states have (on average 2.8476801514284458) internal successors, (258763), 90868 states have internal predecessors, (258763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90869 states to 90869 states and 258763 transitions. [2022-01-18 01:08:06,012 INFO L78 Accepts]: Start accepts. Automaton has 90869 states and 258763 transitions. Word has length 231 [2022-01-18 01:08:06,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:06,012 INFO L470 AbstractCegarLoop]: Abstraction has 90869 states and 258763 transitions. [2022-01-18 01:08:06,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 90869 states and 258763 transitions. [2022-01-18 01:08:06,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:08:06,156 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:06,156 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:06,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 01:08:06,156 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash -689488588, now seen corresponding path program 125 times [2022-01-18 01:08:06,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:06,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196918673] [2022-01-18 01:08:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:06,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:08:06,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:06,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196918673] [2022-01-18 01:08:06,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196918673] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:06,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:06,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:08:06,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216417355] [2022-01-18 01:08:06,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:06,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:08:06,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:06,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:08:06,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:08:06,270 INFO L87 Difference]: Start difference. First operand 90869 states and 258763 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:08,098 INFO L93 Difference]: Finished difference Result 97142 states and 274725 transitions. [2022-01-18 01:08:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 01:08:08,098 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:08:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:08,284 INFO L225 Difference]: With dead ends: 97142 [2022-01-18 01:08:08,284 INFO L226 Difference]: Without dead ends: 97142 [2022-01-18 01:08:08,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=620, Invalid=1542, Unknown=0, NotChecked=0, Total=2162 [2022-01-18 01:08:08,284 INFO L933 BasicCegarLoop]: 763 mSDtfsCounter, 1280 mSDsluCounter, 8927 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 9566 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:08,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1280 Valid, 9566 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97142 states. [2022-01-18 01:08:09,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97142 to 90857. [2022-01-18 01:08:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90857 states, 90856 states have (on average 2.8476930527428017) internal successors, (258730), 90856 states have internal predecessors, (258730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90857 states to 90857 states and 258730 transitions. [2022-01-18 01:08:10,214 INFO L78 Accepts]: Start accepts. Automaton has 90857 states and 258730 transitions. Word has length 231 [2022-01-18 01:08:10,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:10,214 INFO L470 AbstractCegarLoop]: Abstraction has 90857 states and 258730 transitions. [2022-01-18 01:08:10,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 90857 states and 258730 transitions. [2022-01-18 01:08:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:08:10,367 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:10,367 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:10,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 01:08:10,367 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:10,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1037359784, now seen corresponding path program 126 times [2022-01-18 01:08:10,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:10,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045662112] [2022-01-18 01:08:10,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:10,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:08:10,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:10,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045662112] [2022-01-18 01:08:10,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045662112] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:10,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:10,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:08:10,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213328014] [2022-01-18 01:08:10,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:10,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:08:10,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:10,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:08:10,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:08:10,781 INFO L87 Difference]: Start difference. First operand 90857 states and 258730 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:12,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:12,242 INFO L93 Difference]: Finished difference Result 96839 states and 273993 transitions. [2022-01-18 01:08:12,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 01:08:12,242 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:08:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:12,430 INFO L225 Difference]: With dead ends: 96839 [2022-01-18 01:08:12,430 INFO L226 Difference]: Without dead ends: 96839 [2022-01-18 01:08:12,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=702, Invalid=1650, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:08:12,431 INFO L933 BasicCegarLoop]: 768 mSDtfsCounter, 1277 mSDsluCounter, 8919 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 9568 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:12,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1277 Valid, 9568 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:12,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96839 states. [2022-01-18 01:08:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96839 to 90785. [2022-01-18 01:08:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90785 states, 90784 states have (on average 2.847770532252379) internal successors, (258532), 90784 states have internal predecessors, (258532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90785 states to 90785 states and 258532 transitions. [2022-01-18 01:08:14,717 INFO L78 Accepts]: Start accepts. Automaton has 90785 states and 258532 transitions. Word has length 231 [2022-01-18 01:08:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:14,717 INFO L470 AbstractCegarLoop]: Abstraction has 90785 states and 258532 transitions. [2022-01-18 01:08:14,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 90785 states and 258532 transitions. [2022-01-18 01:08:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:08:14,877 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:14,878 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:14,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 01:08:14,878 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:14,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:14,878 INFO L85 PathProgramCache]: Analyzing trace with hash -2053566070, now seen corresponding path program 127 times [2022-01-18 01:08:14,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:14,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231256483] [2022-01-18 01:08:14,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:14,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:08:14,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:14,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231256483] [2022-01-18 01:08:14,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231256483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:14,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:14,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:08:14,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631982890] [2022-01-18 01:08:14,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:14,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:08:14,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:14,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:08:14,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:08:14,990 INFO L87 Difference]: Start difference. First operand 90785 states and 258532 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:16,882 INFO L93 Difference]: Finished difference Result 98173 states and 277479 transitions. [2022-01-18 01:08:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-18 01:08:16,883 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:08:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:17,095 INFO L225 Difference]: With dead ends: 98173 [2022-01-18 01:08:17,095 INFO L226 Difference]: Without dead ends: 98173 [2022-01-18 01:08:17,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=715, Invalid=1835, Unknown=0, NotChecked=0, Total=2550 [2022-01-18 01:08:17,096 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 1434 mSDsluCounter, 9097 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 9722 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:17,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 9722 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:17,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98173 states. [2022-01-18 01:08:18,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98173 to 91053. [2022-01-18 01:08:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91053 states, 91052 states have (on average 2.8474827571058294) internal successors, (259269), 91052 states have internal predecessors, (259269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91053 states to 91053 states and 259269 transitions. [2022-01-18 01:08:19,052 INFO L78 Accepts]: Start accepts. Automaton has 91053 states and 259269 transitions. Word has length 231 [2022-01-18 01:08:19,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:08:19,052 INFO L470 AbstractCegarLoop]: Abstraction has 91053 states and 259269 transitions. [2022-01-18 01:08:19,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 91053 states and 259269 transitions. [2022-01-18 01:08:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-18 01:08:19,543 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:08:19,543 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:19,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 01:08:19,543 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:08:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:08:19,543 INFO L85 PathProgramCache]: Analyzing trace with hash -367579032, now seen corresponding path program 128 times [2022-01-18 01:08:19,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:08:19,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410589449] [2022-01-18 01:08:19,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:08:19,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:08:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:08:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-18 01:08:19,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:08:19,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410589449] [2022-01-18 01:08:19,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410589449] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:08:19,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:08:19,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 01:08:19,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683332654] [2022-01-18 01:08:19,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:08:19,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 01:08:19,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:08:19,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 01:08:19,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-01-18 01:08:19,697 INFO L87 Difference]: Start difference. First operand 91053 states and 259269 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:08:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:08:20,939 INFO L93 Difference]: Finished difference Result 97876 states and 276845 transitions. [2022-01-18 01:08:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-18 01:08:20,939 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-01-18 01:08:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:08:21,132 INFO L225 Difference]: With dead ends: 97876 [2022-01-18 01:08:21,132 INFO L226 Difference]: Without dead ends: 97876 [2022-01-18 01:08:21,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=431, Invalid=1129, Unknown=0, NotChecked=0, Total=1560 [2022-01-18 01:08:21,133 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1116 mSDsluCounter, 8899 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 9504 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:08:21,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1116 Valid, 9504 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 01:08:21,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97876 states. Received shutdown request... [2022-01-18 01:08:21,888 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 01:08:21,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 01:08:21,888 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-01-18 01:08:21,889 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 01:08:21,889 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 01:08:21,891 INFO L732 BasicCegarLoop]: Path program histogram: [128, 7, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:08:21,892 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 01:08:21,892 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 01:08:21,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:08:21 BasicIcfg [2022-01-18 01:08:21,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 01:08:21,893 INFO L158 Benchmark]: Toolchain (without parser) took 694951.08ms. Allocated memory was 442.5MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 386.6MB in the beginning and 8.4GB in the end (delta: -8.0GB). Peak memory consumption was 8.2GB. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 442.5MB. Free memory is still 403.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.18ms. Allocated memory is still 442.5MB. Free memory was 386.3MB in the beginning and 410.4MB in the end (delta: -24.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.43ms. Allocated memory is still 442.5MB. Free memory was 410.4MB in the beginning and 407.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 442.5MB. Free memory was 407.3MB in the beginning and 406.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L158 Benchmark]: RCFGBuilder took 458.06ms. Allocated memory is still 442.5MB. Free memory was 406.2MB in the beginning and 384.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L158 Benchmark]: TraceAbstraction took 694153.96ms. Allocated memory was 442.5MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 383.2MB in the beginning and 8.4GB in the end (delta: -8.0GB). Peak memory consumption was 8.2GB. Max. memory is 16.0GB. [2022-01-18 01:08:21,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 442.5MB. Free memory is still 403.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 258.18ms. Allocated memory is still 442.5MB. Free memory was 386.3MB in the beginning and 410.4MB in the end (delta: -24.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 49.43ms. Allocated memory is still 442.5MB. Free memory was 410.4MB in the beginning and 407.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 442.5MB. Free memory was 407.3MB in the beginning and 406.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 458.06ms. Allocated memory is still 442.5MB. Free memory was 406.2MB in the beginning and 384.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 694153.96ms. Allocated memory was 442.5MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 383.2MB in the beginning and 8.4GB in the end (delta: -8.0GB). Peak memory consumption was 8.2GB. 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: 113]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 497 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 694.0s, OverallIterations: 163, TraceHistogramMax: 3, PathProgramHistogramMax: 128, EmptinessCheckTime: 35.8s, AutomataDifference: 273.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180391 SdHoareTripleChecker+Valid, 72.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180391 mSDsluCounter, 1310834 SdHoareTripleChecker+Invalid, 57.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1210135 mSDsCounter, 793 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200493 IncrementalHoareTripleChecker+Invalid, 201286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 793 mSolverCounterUnsat, 116227 mSDtfsCounter, 200493 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9388 GetRequests, 3641 SyntacticMatches, 3 SemanticMatches, 5744 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23423 ImplicationChecksByTransitivity, 78.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213089occurred in iteration=26, InterpolantAutomatonStates: 4335, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 360.2s AutomataMinimizationTime, 163 MinimizatonAttempts, 1607624 StatesRemovedByMinimization, 160 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 36963 NumberOfCodeBlocks, 36963 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 36975 ConstructedInterpolants, 0 QuantifiedInterpolants, 85947 SizeOfPredicates, 5 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 165 InterpolantComputations, 162 PerfectInterpolantSequences, 3743/3746 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