/usr/bin/java -Xmx8000000000 -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/parallel-ticket-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:36:55,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:36:55,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:36:55,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 22:36:55,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 22:36:55,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 22:36:55,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 22:36:55,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 22:36:55,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 22:36:55,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 22:36:55,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 22:36:55,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 22:36:55,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:36:55,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:36:55,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:36:55,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:36:55,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:36:55,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:36:55,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:36:55,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:36:55,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:36:55,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:36:55,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:36:55,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:36:55,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 22:36:55,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:36:55,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:36:55,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:36:55,838 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 [2022-02-10 22:36:55,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:36:55,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:36:55,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:36:55,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:36:55,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:36:55,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:36:55,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:36:55,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:36:55,868 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:36:55,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:36:55,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:36:55,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:36:55,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:36:55,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:36:55,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:36:55,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:36:55,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:36:55,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:36:55,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:36:55,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:36:55,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:36:55,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:36:55,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:36:55,871 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:36:55,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:36:55,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:36:56,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:36:56,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:36:56,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:36:56,113 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:36:56,113 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:36:56,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-02-10 22:36:56,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebda7938e/715aa5a4a41f4d30806547a0901cf7ef/FLAGb2b246bda [2022-02-10 22:36:56,593 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:36:56,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-02-10 22:36:56,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebda7938e/715aa5a4a41f4d30806547a0901cf7ef/FLAGb2b246bda [2022-02-10 22:36:56,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebda7938e/715aa5a4a41f4d30806547a0901cf7ef [2022-02-10 22:36:56,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:36:56,969 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:36:56,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:36:56,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:36:56,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:36:56,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:36:56" (1/1) ... [2022-02-10 22:36:56,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21220ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:56, skipping insertion in model container [2022-02-10 22:36:56,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:36:56" (1/1) ... [2022-02-10 22:36:56,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:36:57,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:36:57,181 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/parallel-ticket-5.wvr.c[3963,3976] [2022-02-10 22:36:57,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:36:57,190 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:36:57,213 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/parallel-ticket-5.wvr.c[3963,3976] [2022-02-10 22:36:57,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:36:57,226 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:36:57,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57 WrapperNode [2022-02-10 22:36:57,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:36:57,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:36:57,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:36:57,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:36:57,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,264 INFO L137 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 238 [2022-02-10 22:36:57,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:36:57,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:36:57,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:36:57,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:36:57,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:36:57,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:36:57,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:36:57,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:36:57,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (1/1) ... [2022-02-10 22:36:57,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:36:57,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:36:57,320 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) [2022-02-10 22:36:57,339 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 [2022-02-10 22:36:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:36:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 22:36:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 22:36:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 22:36:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 22:36:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 22:36:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 22:36:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-10 22:36:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-10 22:36:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:36:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-02-10 22:36:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:36:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:36:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:36:57,359 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:36:57,432 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:36:57,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:36:57,737 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:36:57,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:36:57,831 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 22:36:57,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:36:57 BoogieIcfgContainer [2022-02-10 22:36:57,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:36:57,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:36:57,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:36:57,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:36:57,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:36:56" (1/3) ... [2022-02-10 22:36:57,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43339f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:36:57, skipping insertion in model container [2022-02-10 22:36:57,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:36:57" (2/3) ... [2022-02-10 22:36:57,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43339f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:36:57, skipping insertion in model container [2022-02-10 22:36:57,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:36:57" (3/3) ... [2022-02-10 22:36:57,849 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2022-02-10 22:36:57,858 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:36:57,859 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:36:57,859 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:36:57,859 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:36:57,930 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,931 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,931 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,931 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,932 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,932 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,932 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,932 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,933 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,933 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,933 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,933 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,933 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,933 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,934 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,934 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,934 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,934 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,935 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,935 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,935 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,935 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,935 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,936 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,936 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,936 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,936 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,936 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,937 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,937 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,937 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,937 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,938 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,938 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,938 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,938 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,938 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,939 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,939 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,939 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,939 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,940 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,940 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,940 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,940 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,940 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,941 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,941 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,941 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,941 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,941 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,942 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,942 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,942 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,942 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,943 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,943 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,943 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,943 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,943 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,946 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,947 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,947 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,947 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,947 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,947 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,948 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,948 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,949 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,949 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,949 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,949 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,950 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,950 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,950 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,950 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,950 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,950 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,951 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,951 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,951 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,951 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,952 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,952 WARN L322 ript$VariableManager]: TermVariable |thread5Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,952 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,953 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,953 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,953 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,953 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,953 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:36:57,959 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-02-10 22:36:57,995 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:36:58,001 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 [2022-02-10 22:36:58,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-10 22:36:58,012 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 165 transitions, 370 flow [2022-02-10 22:37:01,904 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 104505 states, 104504 states have (on average 4.851670749444997) internal successors, (507019), 104504 states have internal predecessors, (507019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 104505 states, 104504 states have (on average 4.851670749444997) internal successors, (507019), 104504 states have internal predecessors, (507019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:37:02,922 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:37:02,923 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:37:02,924 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:37:02,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:37:02,929 INFO L85 PathProgramCache]: Analyzing trace with hash 337044275, now seen corresponding path program 1 times [2022-02-10 22:37:02,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:37:02,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772016110] [2022-02-10 22:37:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:37:02,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:37:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:37:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:37:03,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:37:03,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772016110] [2022-02-10 22:37:03,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772016110] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:37:03,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:37:03,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:37:03,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462974370] [2022-02-10 22:37:03,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:37:03,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:37:03,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:37:03,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:37:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:37:03,911 INFO L87 Difference]: Start difference. First operand has 104505 states, 104504 states have (on average 4.851670749444997) internal successors, (507019), 104504 states have internal predecessors, (507019), 0 states have call successors, (0), 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 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:37:08,107 INFO L93 Difference]: Finished difference Result 278147 states and 1328367 transitions. [2022-02-10 22:37:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 22:37:08,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:37:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:37:11,167 INFO L225 Difference]: With dead ends: 278147 [2022-02-10 22:37:11,168 INFO L226 Difference]: Without dead ends: 278144 [2022-02-10 22:37:11,170 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:37:11,177 INFO L934 BasicCegarLoop]: 199 mSDtfsCounter, 322 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:37:11,178 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 618 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:37:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278144 states. [2022-02-10 22:37:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278144 to 132290. [2022-02-10 22:37:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132290 states, 132289 states have (on average 4.78342114612704) internal successors, (632794), 132289 states have internal predecessors, (632794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132290 states to 132290 states and 632794 transitions. [2022-02-10 22:37:22,972 INFO L78 Accepts]: Start accepts. Automaton has 132290 states and 632794 transitions. Word has length 141 [2022-02-10 22:37:22,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:37:22,973 INFO L470 AbstractCegarLoop]: Abstraction has 132290 states and 632794 transitions. [2022-02-10 22:37:22,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 132290 states and 632794 transitions. [2022-02-10 22:37:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:37:23,920 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:37:23,921 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:37:23,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:37:23,922 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:37:23,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:37:23,926 INFO L85 PathProgramCache]: Analyzing trace with hash 927256055, now seen corresponding path program 2 times [2022-02-10 22:37:23,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:37:23,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811181892] [2022-02-10 22:37:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:37:23,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:37:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:37:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:37:24,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:37:24,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811181892] [2022-02-10 22:37:24,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811181892] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:37:24,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:37:24,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:37:24,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107814369] [2022-02-10 22:37:24,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:37:24,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:37:24,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:37:24,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:37:24,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:37:24,288 INFO L87 Difference]: Start difference. First operand 132290 states and 632794 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:28,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:37:28,360 INFO L93 Difference]: Finished difference Result 302031 states and 1436129 transitions. [2022-02-10 22:37:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 22:37:28,360 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:37:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:37:31,604 INFO L225 Difference]: With dead ends: 302031 [2022-02-10 22:37:31,605 INFO L226 Difference]: Without dead ends: 302031 [2022-02-10 22:37:31,609 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:37:31,610 INFO L934 BasicCegarLoop]: 230 mSDtfsCounter, 302 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:37:31,611 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 773 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:37:32,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302031 states. [2022-02-10 22:37:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302031 to 151275. [2022-02-10 22:37:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151275 states, 151274 states have (on average 4.745825455795444) internal successors, (717920), 151274 states have internal predecessors, (717920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:43,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151275 states to 151275 states and 717920 transitions. [2022-02-10 22:37:43,728 INFO L78 Accepts]: Start accepts. Automaton has 151275 states and 717920 transitions. Word has length 141 [2022-02-10 22:37:43,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:37:43,729 INFO L470 AbstractCegarLoop]: Abstraction has 151275 states and 717920 transitions. [2022-02-10 22:37:43,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 151275 states and 717920 transitions. [2022-02-10 22:37:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:37:45,105 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:37:45,105 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:37:45,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:37:45,106 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:37:45,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:37:45,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1372275635, now seen corresponding path program 3 times [2022-02-10 22:37:45,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:37:45,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965633594] [2022-02-10 22:37:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:37:45,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:37:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:37:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:37:45,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:37:45,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965633594] [2022-02-10 22:37:45,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965633594] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:37:45,736 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:37:45,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-10 22:37:45,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518313640] [2022-02-10 22:37:45,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:37:45,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 22:37:45,738 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:37:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 22:37:45,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-10 22:37:45,752 INFO L87 Difference]: Start difference. First operand 151275 states and 717920 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:37:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:37:49,836 INFO L93 Difference]: Finished difference Result 226530 states and 1066169 transitions. [2022-02-10 22:37:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 22:37:49,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:37:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:37:52,065 INFO L225 Difference]: With dead ends: 226530 [2022-02-10 22:37:52,066 INFO L226 Difference]: Without dead ends: 146466 [2022-02-10 22:37:52,066 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2022-02-10 22:37:52,068 INFO L934 BasicCegarLoop]: 184 mSDtfsCounter, 469 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 22:37:52,070 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 999 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 22:37:52,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146466 states. [2022-02-10 22:37:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146466 to 146038. [2022-02-10 22:38:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146038 states, 146037 states have (on average 4.742373508083568) internal successors, (692562), 146037 states have internal predecessors, (692562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146038 states to 146038 states and 692562 transitions. [2022-02-10 22:38:01,948 INFO L78 Accepts]: Start accepts. Automaton has 146038 states and 692562 transitions. Word has length 141 [2022-02-10 22:38:01,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:38:01,948 INFO L470 AbstractCegarLoop]: Abstraction has 146038 states and 692562 transitions. [2022-02-10 22:38:01,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 146038 states and 692562 transitions. [2022-02-10 22:38:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:38:03,189 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:38:03,189 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:38:03,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:38:03,190 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:38:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:38:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash -427148241, now seen corresponding path program 4 times [2022-02-10 22:38:03,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:38:03,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130779812] [2022-02-10 22:38:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:38:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:38:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:38:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:38:03,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:38:03,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130779812] [2022-02-10 22:38:03,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130779812] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:38:03,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:38:03,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:38:03,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430281841] [2022-02-10 22:38:03,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:38:03,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:38:03,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:38:03,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:38:03,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:38:03,453 INFO L87 Difference]: Start difference. First operand 146038 states and 692562 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:38:08,330 INFO L93 Difference]: Finished difference Result 299654 states and 1406659 transitions. [2022-02-10 22:38:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:38:08,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:38:08,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:38:11,380 INFO L225 Difference]: With dead ends: 299654 [2022-02-10 22:38:11,380 INFO L226 Difference]: Without dead ends: 299654 [2022-02-10 22:38:11,381 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:38:11,382 INFO L934 BasicCegarLoop]: 202 mSDtfsCounter, 245 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:38:11,382 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 683 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:38:12,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299654 states. [2022-02-10 22:38:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299654 to 167825. [2022-02-10 22:38:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167825 states, 167824 states have (on average 4.665965535322719) internal successors, (783061), 167824 states have internal predecessors, (783061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167825 states to 167825 states and 783061 transitions. [2022-02-10 22:38:25,734 INFO L78 Accepts]: Start accepts. Automaton has 167825 states and 783061 transitions. Word has length 141 [2022-02-10 22:38:25,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:38:25,734 INFO L470 AbstractCegarLoop]: Abstraction has 167825 states and 783061 transitions. [2022-02-10 22:38:25,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 167825 states and 783061 transitions. [2022-02-10 22:38:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:38:26,678 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:38:26,679 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:38:26,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:38:26,679 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:38:26,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:38:26,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1402004545, now seen corresponding path program 5 times [2022-02-10 22:38:26,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:38:26,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333536517] [2022-02-10 22:38:26,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:38:26,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:38:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:38:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:38:26,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:38:26,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333536517] [2022-02-10 22:38:26,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333536517] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:38:26,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:38:26,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 22:38:26,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597478992] [2022-02-10 22:38:26,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:38:26,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:38:26,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:38:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:38:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:38:26,849 INFO L87 Difference]: Start difference. First operand 167825 states and 783061 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:38:29,716 INFO L93 Difference]: Finished difference Result 207636 states and 974306 transitions. [2022-02-10 22:38:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 22:38:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:38:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:38:31,466 INFO L225 Difference]: With dead ends: 207636 [2022-02-10 22:38:31,466 INFO L226 Difference]: Without dead ends: 207594 [2022-02-10 22:38:31,467 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-02-10 22:38:31,467 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 272 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:38:31,467 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1054 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:38:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207594 states. [2022-02-10 22:38:40,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207594 to 168171. [2022-02-10 22:38:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168171 states, 168170 states have (on average 4.662817387167747) internal successors, (784146), 168170 states have internal predecessors, (784146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168171 states to 168171 states and 784146 transitions. [2022-02-10 22:38:43,112 INFO L78 Accepts]: Start accepts. Automaton has 168171 states and 784146 transitions. Word has length 141 [2022-02-10 22:38:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:38:43,112 INFO L470 AbstractCegarLoop]: Abstraction has 168171 states and 784146 transitions. [2022-02-10 22:38:43,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 168171 states and 784146 transitions. [2022-02-10 22:38:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:38:44,079 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:38:44,079 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:38:44,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:38:44,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:38:44,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:38:44,080 INFO L85 PathProgramCache]: Analyzing trace with hash 967658261, now seen corresponding path program 6 times [2022-02-10 22:38:44,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:38:44,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722766407] [2022-02-10 22:38:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:38:44,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:38:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:38:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:38:44,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:38:44,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722766407] [2022-02-10 22:38:44,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722766407] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:38:44,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:38:44,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:38:44,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334509768] [2022-02-10 22:38:44,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:38:44,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:38:44,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:38:44,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:38:44,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:38:44,209 INFO L87 Difference]: Start difference. First operand 168171 states and 784146 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:38:47,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:38:47,932 INFO L93 Difference]: Finished difference Result 276695 states and 1298917 transitions. [2022-02-10 22:38:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:38:47,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:38:47,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:38:51,206 INFO L225 Difference]: With dead ends: 276695 [2022-02-10 22:38:51,207 INFO L226 Difference]: Without dead ends: 276539 [2022-02-10 22:38:51,207 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:38:51,209 INFO L934 BasicCegarLoop]: 241 mSDtfsCounter, 334 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:38:51,212 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 827 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:38:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276539 states. [2022-02-10 22:39:02,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276539 to 175348. [2022-02-10 22:39:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175348 states, 175347 states have (on average 4.655939365942959) internal successors, (816405), 175347 states have internal predecessors, (816405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175348 states to 175348 states and 816405 transitions. [2022-02-10 22:39:04,857 INFO L78 Accepts]: Start accepts. Automaton has 175348 states and 816405 transitions. Word has length 141 [2022-02-10 22:39:04,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:39:04,857 INFO L470 AbstractCegarLoop]: Abstraction has 175348 states and 816405 transitions. [2022-02-10 22:39:04,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 175348 states and 816405 transitions. [2022-02-10 22:39:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:39:05,536 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:39:05,536 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:39:05,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:39:05,536 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:39:05,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:39:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash -253399513, now seen corresponding path program 7 times [2022-02-10 22:39:05,537 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:39:05,537 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679400403] [2022-02-10 22:39:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:39:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:39:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:39:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:39:06,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:39:06,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679400403] [2022-02-10 22:39:06,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679400403] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:39:06,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:39:06,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:39:06,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703705688] [2022-02-10 22:39:06,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:39:06,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:39:06,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:39:06,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:39:06,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:39:06,011 INFO L87 Difference]: Start difference. First operand 175348 states and 816405 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:39:10,413 INFO L93 Difference]: Finished difference Result 325604 states and 1521083 transitions. [2022-02-10 22:39:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 22:39:10,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:39:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:39:16,134 INFO L225 Difference]: With dead ends: 325604 [2022-02-10 22:39:16,134 INFO L226 Difference]: Without dead ends: 325418 [2022-02-10 22:39:16,163 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:39:16,166 INFO L934 BasicCegarLoop]: 222 mSDtfsCounter, 295 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:39:16,167 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 758 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:39:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325418 states. [2022-02-10 22:39:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325418 to 188043. [2022-02-10 22:39:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188043 states, 188042 states have (on average 4.631459992980291) internal successors, (870909), 188042 states have internal predecessors, (870909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188043 states to 188043 states and 870909 transitions. [2022-02-10 22:39:29,809 INFO L78 Accepts]: Start accepts. Automaton has 188043 states and 870909 transitions. Word has length 141 [2022-02-10 22:39:29,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:39:29,809 INFO L470 AbstractCegarLoop]: Abstraction has 188043 states and 870909 transitions. [2022-02-10 22:39:29,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 188043 states and 870909 transitions. [2022-02-10 22:39:30,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:39:30,879 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:39:30,879 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:39:30,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:39:30,880 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:39:30,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:39:30,880 INFO L85 PathProgramCache]: Analyzing trace with hash -565532079, now seen corresponding path program 8 times [2022-02-10 22:39:30,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:39:30,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608167829] [2022-02-10 22:39:30,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:39:30,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:39:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:39:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:39:30,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:39:30,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608167829] [2022-02-10 22:39:30,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608167829] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:39:30,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:39:30,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:39:30,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681656341] [2022-02-10 22:39:30,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:39:30,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:39:30,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:39:30,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:39:30,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:39:30,996 INFO L87 Difference]: Start difference. First operand 188043 states and 870909 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:39:36,181 INFO L93 Difference]: Finished difference Result 326495 states and 1511661 transitions. [2022-02-10 22:39:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:39:36,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:39:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:39:41,085 INFO L225 Difference]: With dead ends: 326495 [2022-02-10 22:39:41,085 INFO L226 Difference]: Without dead ends: 326327 [2022-02-10 22:39:41,085 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:39:41,087 INFO L934 BasicCegarLoop]: 196 mSDtfsCounter, 316 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:39:41,093 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 612 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:39:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326327 states. [2022-02-10 22:39:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326327 to 195428. [2022-02-10 22:39:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195428 states, 195427 states have (on average 4.603683216751012) internal successors, (899684), 195427 states have internal predecessors, (899684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195428 states to 195428 states and 899684 transitions. [2022-02-10 22:39:54,793 INFO L78 Accepts]: Start accepts. Automaton has 195428 states and 899684 transitions. Word has length 141 [2022-02-10 22:39:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:39:54,793 INFO L470 AbstractCegarLoop]: Abstraction has 195428 states and 899684 transitions. [2022-02-10 22:39:54,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:39:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 195428 states and 899684 transitions. [2022-02-10 22:39:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:39:55,907 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:39:55,908 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:39:55,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:39:55,908 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:39:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:39:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash 2079323817, now seen corresponding path program 9 times [2022-02-10 22:39:55,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:39:55,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155878761] [2022-02-10 22:39:55,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:39:55,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:39:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:39:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:39:56,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:39:56,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155878761] [2022-02-10 22:39:56,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155878761] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:39:56,073 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:39:56,073 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:39:56,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228388616] [2022-02-10 22:39:56,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:39:56,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:39:56,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:39:56,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:39:56,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:39:56,078 INFO L87 Difference]: Start difference. First operand 195428 states and 899684 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:01,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:40:01,365 INFO L93 Difference]: Finished difference Result 327908 states and 1515730 transitions. [2022-02-10 22:40:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:40:01,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:40:01,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:40:05,648 INFO L225 Difference]: With dead ends: 327908 [2022-02-10 22:40:05,648 INFO L226 Difference]: Without dead ends: 327728 [2022-02-10 22:40:05,648 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:40:05,649 INFO L934 BasicCegarLoop]: 191 mSDtfsCounter, 157 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:40:05,649 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 707 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:40:06,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327728 states. [2022-02-10 22:40:17,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327728 to 201962. [2022-02-10 22:40:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201962 states, 201961 states have (on average 4.585117918806106) internal successors, (926015), 201961 states have internal predecessors, (926015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201962 states to 201962 states and 926015 transitions. [2022-02-10 22:40:20,105 INFO L78 Accepts]: Start accepts. Automaton has 201962 states and 926015 transitions. Word has length 141 [2022-02-10 22:40:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:40:20,105 INFO L470 AbstractCegarLoop]: Abstraction has 201962 states and 926015 transitions. [2022-02-10 22:40:20,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 201962 states and 926015 transitions. [2022-02-10 22:40:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:40:20,957 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:40:20,957 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:40:20,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 22:40:20,957 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:40:20,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:40:20,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1277658205, now seen corresponding path program 10 times [2022-02-10 22:40:20,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:40:20,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302432430] [2022-02-10 22:40:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:40:20,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:40:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:40:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:40:21,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:40:21,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302432430] [2022-02-10 22:40:21,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302432430] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:40:21,099 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:40:21,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:40:21,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895910889] [2022-02-10 22:40:21,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:40:21,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:40:21,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:40:21,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:40:21,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:40:21,101 INFO L87 Difference]: Start difference. First operand 201962 states and 926015 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:26,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:40:26,546 INFO L93 Difference]: Finished difference Result 324312 states and 1492298 transitions. [2022-02-10 22:40:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:40:26,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:40:26,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:40:31,063 INFO L225 Difference]: With dead ends: 324312 [2022-02-10 22:40:31,063 INFO L226 Difference]: Without dead ends: 324312 [2022-02-10 22:40:31,063 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:40:31,065 INFO L934 BasicCegarLoop]: 200 mSDtfsCounter, 184 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:40:31,065 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 785 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:40:32,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324312 states. [2022-02-10 22:40:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324312 to 210711. [2022-02-10 22:40:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210711 states, 210710 states have (on average 4.540358786958379) internal successors, (956699), 210710 states have internal predecessors, (956699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210711 states to 210711 states and 956699 transitions. [2022-02-10 22:40:44,767 INFO L78 Accepts]: Start accepts. Automaton has 210711 states and 956699 transitions. Word has length 141 [2022-02-10 22:40:44,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:40:44,768 INFO L470 AbstractCegarLoop]: Abstraction has 210711 states and 956699 transitions. [2022-02-10 22:40:44,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 210711 states and 956699 transitions. [2022-02-10 22:40:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:40:45,989 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:40:45,989 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:40:45,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 22:40:45,989 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:40:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:40:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash 952884763, now seen corresponding path program 11 times [2022-02-10 22:40:45,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:40:45,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822057153] [2022-02-10 22:40:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:40:45,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:40:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:40:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:40:46,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:40:46,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822057153] [2022-02-10 22:40:46,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822057153] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:40:46,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:40:46,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:40:46,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350348058] [2022-02-10 22:40:46,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:40:46,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:40:46,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:40:46,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:40:46,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:40:46,104 INFO L87 Difference]: Start difference. First operand 210711 states and 956699 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:40:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:40:52,348 INFO L93 Difference]: Finished difference Result 372906 states and 1696490 transitions. [2022-02-10 22:40:52,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 22:40:52,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:40:52,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:40:57,135 INFO L225 Difference]: With dead ends: 372906 [2022-02-10 22:40:57,135 INFO L226 Difference]: Without dead ends: 372906 [2022-02-10 22:40:57,135 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:40:57,137 INFO L934 BasicCegarLoop]: 268 mSDtfsCounter, 366 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:40:57,138 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [366 Valid, 875 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:40:58,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372906 states. [2022-02-10 22:41:09,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372906 to 227658. [2022-02-10 22:41:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227658 states, 227657 states have (on average 4.498842557004616) internal successors, (1024193), 227657 states have internal predecessors, (1024193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227658 states to 227658 states and 1024193 transitions. [2022-02-10 22:41:13,162 INFO L78 Accepts]: Start accepts. Automaton has 227658 states and 1024193 transitions. Word has length 141 [2022-02-10 22:41:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:13,163 INFO L470 AbstractCegarLoop]: Abstraction has 227658 states and 1024193 transitions. [2022-02-10 22:41:13,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 227658 states and 1024193 transitions. [2022-02-10 22:41:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:41:14,944 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:14,944 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:14,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 22:41:14,945 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:41:14,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:14,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2143037529, now seen corresponding path program 12 times [2022-02-10 22:41:14,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:14,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60503183] [2022-02-10 22:41:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:41:15,441 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:15,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60503183] [2022-02-10 22:41:15,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60503183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:15,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:15,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-10 22:41:15,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575692401] [2022-02-10 22:41:15,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:15,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 22:41:15,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:15,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 22:41:15,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-02-10 22:41:15,443 INFO L87 Difference]: Start difference. First operand 227658 states and 1024193 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:21,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:21,728 INFO L93 Difference]: Finished difference Result 352818 states and 1591791 transitions. [2022-02-10 22:41:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 22:41:21,729 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:41:21,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:23,305 INFO L225 Difference]: With dead ends: 352818 [2022-02-10 22:41:23,305 INFO L226 Difference]: Without dead ends: 177480 [2022-02-10 22:41:23,305 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-02-10 22:41:23,306 INFO L934 BasicCegarLoop]: 163 mSDtfsCounter, 552 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:23,306 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 1027 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 22:41:23,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177480 states. [2022-02-10 22:41:30,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177480 to 177480. [2022-02-10 22:41:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177480 states, 177479 states have (on average 4.445680897458291) internal successors, (789015), 177479 states have internal predecessors, (789015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:32,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177480 states to 177480 states and 789015 transitions. [2022-02-10 22:41:32,329 INFO L78 Accepts]: Start accepts. Automaton has 177480 states and 789015 transitions. Word has length 141 [2022-02-10 22:41:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:32,330 INFO L470 AbstractCegarLoop]: Abstraction has 177480 states and 789015 transitions. [2022-02-10 22:41:32,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 177480 states and 789015 transitions. [2022-02-10 22:41:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:41:32,978 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:32,979 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:32,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-10 22:41:32,979 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:41:32,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:32,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1084321801, now seen corresponding path program 13 times [2022-02-10 22:41:32,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:32,979 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383109662] [2022-02-10 22:41:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:32,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:41:33,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:33,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383109662] [2022-02-10 22:41:33,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383109662] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:33,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:33,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 22:41:33,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597734849] [2022-02-10 22:41:33,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:33,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:41:33,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:33,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:41:33,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:41:33,503 INFO L87 Difference]: Start difference. First operand 177480 states and 789015 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:38,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:38,623 INFO L93 Difference]: Finished difference Result 319257 states and 1422152 transitions. [2022-02-10 22:41:38,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 22:41:38,623 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:41:38,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:41:42,465 INFO L225 Difference]: With dead ends: 319257 [2022-02-10 22:41:42,465 INFO L226 Difference]: Without dead ends: 318591 [2022-02-10 22:41:42,466 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-02-10 22:41:42,466 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 283 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 22:41:42,466 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 1530 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 22:41:43,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318591 states. [2022-02-10 22:41:52,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318591 to 182307. [2022-02-10 22:41:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182307 states, 182306 states have (on average 4.423227979331454) internal successors, (806381), 182306 states have internal predecessors, (806381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182307 states to 182307 states and 806381 transitions. [2022-02-10 22:41:54,730 INFO L78 Accepts]: Start accepts. Automaton has 182307 states and 806381 transitions. Word has length 141 [2022-02-10 22:41:54,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:41:54,731 INFO L470 AbstractCegarLoop]: Abstraction has 182307 states and 806381 transitions. [2022-02-10 22:41:54,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 182307 states and 806381 transitions. [2022-02-10 22:41:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:41:55,384 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:41:55,384 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:41:55,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-10 22:41:55,385 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:41:55,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:41:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1199409477, now seen corresponding path program 14 times [2022-02-10 22:41:55,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:41:55,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816930488] [2022-02-10 22:41:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:41:55,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:41:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:41:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:41:55,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:41:55,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816930488] [2022-02-10 22:41:55,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816930488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:41:55,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:41:55,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 22:41:55,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381025997] [2022-02-10 22:41:55,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:41:55,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:41:55,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:41:55,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:41:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:41:55,842 INFO L87 Difference]: Start difference. First operand 182307 states and 806381 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:41:58,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:41:58,793 INFO L93 Difference]: Finished difference Result 226515 states and 1007077 transitions. [2022-02-10 22:41:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 22:41:58,794 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:41:58,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:01,958 INFO L225 Difference]: With dead ends: 226515 [2022-02-10 22:42:01,958 INFO L226 Difference]: Without dead ends: 226389 [2022-02-10 22:42:01,958 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-02-10 22:42:01,963 INFO L934 BasicCegarLoop]: 253 mSDtfsCounter, 289 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:01,963 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 1002 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:42:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226389 states. [2022-02-10 22:42:10,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226389 to 177567. [2022-02-10 22:42:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177567 states, 177566 states have (on average 4.423870560805559) internal successors, (785529), 177566 states have internal predecessors, (785529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177567 states to 177567 states and 785529 transitions. [2022-02-10 22:42:12,441 INFO L78 Accepts]: Start accepts. Automaton has 177567 states and 785529 transitions. Word has length 141 [2022-02-10 22:42:12,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:12,442 INFO L470 AbstractCegarLoop]: Abstraction has 177567 states and 785529 transitions. [2022-02-10 22:42:12,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 177567 states and 785529 transitions. [2022-02-10 22:42:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:42:13,084 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:13,084 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:13,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-10 22:42:13,084 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:42:13,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:13,085 INFO L85 PathProgramCache]: Analyzing trace with hash 246859135, now seen corresponding path program 15 times [2022-02-10 22:42:13,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:13,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621292804] [2022-02-10 22:42:13,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:13,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:13,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:13,201 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621292804] [2022-02-10 22:42:13,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621292804] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:13,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:13,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 22:42:13,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037113439] [2022-02-10 22:42:13,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:13,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 22:42:13,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:13,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 22:42:13,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:42:13,203 INFO L87 Difference]: Start difference. First operand 177567 states and 785529 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:16,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:16,140 INFO L93 Difference]: Finished difference Result 221871 states and 986393 transitions. [2022-02-10 22:42:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 22:42:16,140 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:42:16,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:18,886 INFO L225 Difference]: With dead ends: 221871 [2022-02-10 22:42:18,886 INFO L226 Difference]: Without dead ends: 221793 [2022-02-10 22:42:18,886 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2022-02-10 22:42:18,887 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 465 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:18,887 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 980 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:42:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221793 states. [2022-02-10 22:42:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221793 to 177621. [2022-02-10 22:42:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177621 states, 177620 states have (on average 4.422852156288706) internal successors, (785587), 177620 states have internal predecessors, (785587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177621 states to 177621 states and 785587 transitions. [2022-02-10 22:42:30,264 INFO L78 Accepts]: Start accepts. Automaton has 177621 states and 785587 transitions. Word has length 141 [2022-02-10 22:42:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:30,265 INFO L470 AbstractCegarLoop]: Abstraction has 177621 states and 785587 transitions. [2022-02-10 22:42:30,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 177621 states and 785587 transitions. [2022-02-10 22:42:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:42:30,891 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:30,891 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:30,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-10 22:42:30,891 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:42:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1523208277, now seen corresponding path program 16 times [2022-02-10 22:42:30,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:30,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785983768] [2022-02-10 22:42:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:30,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:31,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:31,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785983768] [2022-02-10 22:42:31,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785983768] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:31,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:31,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:42:31,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005355596] [2022-02-10 22:42:31,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:31,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:42:31,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:31,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:42:31,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:42:31,043 INFO L87 Difference]: Start difference. First operand 177621 states and 785587 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:35,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:35,383 INFO L93 Difference]: Finished difference Result 316146 states and 1405801 transitions. [2022-02-10 22:42:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:42:35,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:42:35,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:40,429 INFO L225 Difference]: With dead ends: 316146 [2022-02-10 22:42:40,429 INFO L226 Difference]: Without dead ends: 315480 [2022-02-10 22:42:40,429 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:42:40,430 INFO L934 BasicCegarLoop]: 230 mSDtfsCounter, 243 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:40,430 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 968 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-10 22:42:41,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315480 states. [2022-02-10 22:42:51,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315480 to 179409. [2022-02-10 22:42:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179409 states, 179408 states have (on average 4.4247357977347725) internal successors, (793833), 179408 states have internal predecessors, (793833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179409 states to 179409 states and 793833 transitions. [2022-02-10 22:42:53,819 INFO L78 Accepts]: Start accepts. Automaton has 179409 states and 793833 transitions. Word has length 141 [2022-02-10 22:42:53,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:53,820 INFO L470 AbstractCegarLoop]: Abstraction has 179409 states and 793833 transitions. [2022-02-10 22:42:53,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 179409 states and 793833 transitions. [2022-02-10 22:42:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:42:54,447 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:54,447 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:54,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-10 22:42:54,447 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:42:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:54,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1615866215, now seen corresponding path program 17 times [2022-02-10 22:42:54,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:54,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923904634] [2022-02-10 22:42:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:54,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:54,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:54,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923904634] [2022-02-10 22:42:54,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923904634] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:54,936 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:54,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 22:42:54,937 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301158444] [2022-02-10 22:42:54,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:54,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:42:54,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:54,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:42:54,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:42:54,938 INFO L87 Difference]: Start difference. First operand 179409 states and 793833 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:58,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:58,966 INFO L93 Difference]: Finished difference Result 311256 states and 1379717 transitions. [2022-02-10 22:42:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 22:42:58,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:42:58,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:03,672 INFO L225 Difference]: With dead ends: 311256 [2022-02-10 22:43:03,673 INFO L226 Difference]: Without dead ends: 310716 [2022-02-10 22:43:03,673 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-02-10 22:43:03,674 INFO L934 BasicCegarLoop]: 247 mSDtfsCounter, 254 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:03,674 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 1329 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-10 22:43:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310716 states. [2022-02-10 22:43:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310716 to 181533. [2022-02-10 22:43:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181533 states, 181532 states have (on average 4.403708437079964) internal successors, (799414), 181532 states have internal predecessors, (799414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181533 states to 181533 states and 799414 transitions. [2022-02-10 22:43:16,083 INFO L78 Accepts]: Start accepts. Automaton has 181533 states and 799414 transitions. Word has length 141 [2022-02-10 22:43:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:16,083 INFO L470 AbstractCegarLoop]: Abstraction has 181533 states and 799414 transitions. [2022-02-10 22:43:16,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 181533 states and 799414 transitions. [2022-02-10 22:43:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:43:17,083 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:17,083 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:17,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-10 22:43:17,084 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:43:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash -193164333, now seen corresponding path program 18 times [2022-02-10 22:43:17,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:17,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682833492] [2022-02-10 22:43:17,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:17,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:43:17,242 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:17,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682833492] [2022-02-10 22:43:17,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682833492] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:43:17,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:43:17,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:43:17,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750526556] [2022-02-10 22:43:17,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:43:17,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:43:17,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:17,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:43:17,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:43:17,244 INFO L87 Difference]: Start difference. First operand 181533 states and 799414 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:21,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:21,492 INFO L93 Difference]: Finished difference Result 318765 states and 1385206 transitions. [2022-02-10 22:43:21,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 22:43:21,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:43:21,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:26,071 INFO L225 Difference]: With dead ends: 318765 [2022-02-10 22:43:26,072 INFO L226 Difference]: Without dead ends: 313767 [2022-02-10 22:43:26,073 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:43:26,078 INFO L934 BasicCegarLoop]: 248 mSDtfsCounter, 238 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:26,078 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 1293 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 22:43:27,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313767 states. [2022-02-10 22:43:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313767 to 185187. [2022-02-10 22:43:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185187 states, 185186 states have (on average 4.355944833842731) internal successors, (806660), 185186 states have internal predecessors, (806660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185187 states to 185187 states and 806660 transitions. [2022-02-10 22:43:38,512 INFO L78 Accepts]: Start accepts. Automaton has 185187 states and 806660 transitions. Word has length 141 [2022-02-10 22:43:38,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:38,512 INFO L470 AbstractCegarLoop]: Abstraction has 185187 states and 806660 transitions. [2022-02-10 22:43:38,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 185187 states and 806660 transitions. [2022-02-10 22:43:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:43:39,514 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:39,514 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:39,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-10 22:43:39,514 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:43:39,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:39,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2137417589, now seen corresponding path program 19 times [2022-02-10 22:43:39,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:39,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833849759] [2022-02-10 22:43:39,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:39,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:43:39,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:39,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833849759] [2022-02-10 22:43:39,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833849759] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:43:39,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:43:39,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:43:39,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859271110] [2022-02-10 22:43:39,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:43:39,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:43:39,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:39,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:43:39,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:43:39,697 INFO L87 Difference]: Start difference. First operand 185187 states and 806660 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:43,702 INFO L93 Difference]: Finished difference Result 300780 states and 1310854 transitions. [2022-02-10 22:43:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 22:43:43,702 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:43:43,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:48,318 INFO L225 Difference]: With dead ends: 300780 [2022-02-10 22:43:48,319 INFO L226 Difference]: Without dead ends: 297666 [2022-02-10 22:43:48,319 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:43:48,319 INFO L934 BasicCegarLoop]: 210 mSDtfsCounter, 198 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:48,319 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 955 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 22:43:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297666 states. [2022-02-10 22:43:58,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297666 to 192297. [2022-02-10 22:43:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192297 states, 192296 states have (on average 4.3375681241419475) internal successors, (834097), 192296 states have internal predecessors, (834097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192297 states to 192297 states and 834097 transitions. [2022-02-10 22:44:00,695 INFO L78 Accepts]: Start accepts. Automaton has 192297 states and 834097 transitions. Word has length 141 [2022-02-10 22:44:00,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:44:00,695 INFO L470 AbstractCegarLoop]: Abstraction has 192297 states and 834097 transitions. [2022-02-10 22:44:00,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 192297 states and 834097 transitions. [2022-02-10 22:44:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:44:01,715 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:44:01,715 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:44:01,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-10 22:44:01,715 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:44:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:44:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash -149484903, now seen corresponding path program 20 times [2022-02-10 22:44:01,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:44:01,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857309207] [2022-02-10 22:44:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:44:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:44:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:44:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:01,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:44:01,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857309207] [2022-02-10 22:44:01,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857309207] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:44:01,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:44:01,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:44:01,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106138658] [2022-02-10 22:44:01,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:44:01,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:44:01,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:44:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:44:01,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:44:01,832 INFO L87 Difference]: Start difference. First operand 192297 states and 834097 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:06,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:44:06,211 INFO L93 Difference]: Finished difference Result 328671 states and 1419449 transitions. [2022-02-10 22:44:06,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 22:44:06,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:44:06,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:44:11,176 INFO L225 Difference]: With dead ends: 328671 [2022-02-10 22:44:11,176 INFO L226 Difference]: Without dead ends: 320565 [2022-02-10 22:44:11,177 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:44:11,196 INFO L934 BasicCegarLoop]: 247 mSDtfsCounter, 272 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:44:11,197 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1067 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:44:12,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320565 states. [2022-02-10 22:44:22,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320565 to 181593. [2022-02-10 22:44:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181593 states, 181592 states have (on average 4.293718886294551) internal successors, (779705), 181592 states have internal predecessors, (779705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181593 states to 181593 states and 779705 transitions. [2022-02-10 22:44:24,479 INFO L78 Accepts]: Start accepts. Automaton has 181593 states and 779705 transitions. Word has length 141 [2022-02-10 22:44:24,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:44:24,480 INFO L470 AbstractCegarLoop]: Abstraction has 181593 states and 779705 transitions. [2022-02-10 22:44:24,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 181593 states and 779705 transitions. [2022-02-10 22:44:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:44:25,146 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:44:25,146 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:44:25,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-10 22:44:25,146 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:44:25,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:44:25,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1690572185, now seen corresponding path program 21 times [2022-02-10 22:44:25,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:44:25,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352326973] [2022-02-10 22:44:25,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:44:25,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:44:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:44:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:25,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:44:25,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352326973] [2022-02-10 22:44:25,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352326973] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:44:25,623 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:44:25,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 22:44:25,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961765119] [2022-02-10 22:44:25,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:44:25,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 22:44:25,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:44:25,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 22:44:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:44:25,625 INFO L87 Difference]: Start difference. First operand 181593 states and 779705 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:29,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:44:29,548 INFO L93 Difference]: Finished difference Result 302160 states and 1293537 transitions. [2022-02-10 22:44:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 22:44:29,549 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:44:29,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:44:33,658 INFO L225 Difference]: With dead ends: 302160 [2022-02-10 22:44:33,659 INFO L226 Difference]: Without dead ends: 294156 [2022-02-10 22:44:33,659 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-02-10 22:44:33,659 INFO L934 BasicCegarLoop]: 287 mSDtfsCounter, 556 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 22:44:33,660 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 1111 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 22:44:34,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294156 states. [2022-02-10 22:44:43,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294156 to 182253. [2022-02-10 22:44:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182253 states, 182252 states have (on average 4.257281127230428) internal successors, (775898), 182252 states have internal predecessors, (775898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182253 states to 182253 states and 775898 transitions. [2022-02-10 22:44:45,310 INFO L78 Accepts]: Start accepts. Automaton has 182253 states and 775898 transitions. Word has length 141 [2022-02-10 22:44:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:44:45,310 INFO L470 AbstractCegarLoop]: Abstraction has 182253 states and 775898 transitions. [2022-02-10 22:44:45,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 182253 states and 775898 transitions. [2022-02-10 22:44:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:44:46,266 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:44:46,266 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:44:46,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-10 22:44:46,266 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:44:46,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:44:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1816829631, now seen corresponding path program 22 times [2022-02-10 22:44:46,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:44:46,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218368029] [2022-02-10 22:44:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:44:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:44:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:44:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:46,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:44:46,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218368029] [2022-02-10 22:44:46,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218368029] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:44:46,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:44:46,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 22:44:46,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50594935] [2022-02-10 22:44:46,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:44:46,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 22:44:46,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:44:46,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 22:44:46,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:44:46,470 INFO L87 Difference]: Start difference. First operand 182253 states and 775898 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:44:50,345 INFO L93 Difference]: Finished difference Result 295053 states and 1260752 transitions. [2022-02-10 22:44:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 22:44:50,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:44:50,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:44:54,012 INFO L225 Difference]: With dead ends: 295053 [2022-02-10 22:44:54,012 INFO L226 Difference]: Without dead ends: 294675 [2022-02-10 22:44:54,013 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:44:54,014 INFO L934 BasicCegarLoop]: 253 mSDtfsCounter, 269 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 22:44:54,014 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 1348 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 22:44:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294675 states. [2022-02-10 22:45:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294675 to 176052. [2022-02-10 22:45:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176052 states, 176051 states have (on average 4.251858836359919) internal successors, (748544), 176051 states have internal predecessors, (748544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:45:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176052 states to 176052 states and 748544 transitions. [2022-02-10 22:45:05,927 INFO L78 Accepts]: Start accepts. Automaton has 176052 states and 748544 transitions. Word has length 141 [2022-02-10 22:45:05,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:45:05,927 INFO L470 AbstractCegarLoop]: Abstraction has 176052 states and 748544 transitions. [2022-02-10 22:45:05,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:45:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 176052 states and 748544 transitions. [2022-02-10 22:45:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-10 22:45:06,889 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:45:06,889 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:45:06,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-10 22:45:06,889 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-10 22:45:06,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:45:06,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1933344687, now seen corresponding path program 23 times [2022-02-10 22:45:06,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:45:06,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050126515] [2022-02-10 22:45:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:45:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:45:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:45:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:45:06,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:45:06,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050126515] [2022-02-10 22:45:06,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050126515] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:45:06,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:45:06,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 22:45:06,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235893560] [2022-02-10 22:45:06,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:45:06,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 22:45:06,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:45:06,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 22:45:06,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:45:06,977 INFO L87 Difference]: Start difference. First operand 176052 states and 748544 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:45:09,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:45:09,699 INFO L93 Difference]: Finished difference Result 229026 states and 955765 transitions. [2022-02-10 22:45:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 22:45:09,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-02-10 22:45:09,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:45:11,844 INFO L225 Difference]: With dead ends: 229026 [2022-02-10 22:45:11,844 INFO L226 Difference]: Without dead ends: 209142 [2022-02-10 22:45:11,845 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:45:11,845 INFO L934 BasicCegarLoop]: 238 mSDtfsCounter, 279 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:45:11,845 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 968 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:45:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209142 states. Received shutdown request... [2022-02-10 22:45:15,180 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-02-10 22:45:15,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-10 22:45:15,181 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-02-10 22:45:15,183 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-02-10 22:45:15,183 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-02-10 22:45:15,183 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 6 remaining) [2022-02-10 22:45:15,183 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 6 remaining) [2022-02-10 22:45:15,183 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (0 of 6 remaining) [2022-02-10 22:45:15,186 INFO L733 BasicCegarLoop]: Path program histogram: [23] [2022-02-10 22:45:15,188 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 22:45:15,188 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 22:45:15,221 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 22:45:15,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 10:45:15 BasicIcfg [2022-02-10 22:45:15,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 22:45:15,224 INFO L158 Benchmark]: Toolchain (without parser) took 498255.19ms. Allocated memory was 177.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 118.6MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2022-02-10 22:45:15,224 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:45:15,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.01ms. Allocated memory was 177.2MB in the beginning and 271.6MB in the end (delta: 94.4MB). Free memory was 118.4MB in the beginning and 241.4MB in the end (delta: -123.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-02-10 22:45:15,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 271.6MB. Free memory was 241.4MB in the beginning and 239.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:45:15,225 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 271.6MB. Free memory was 239.3MB in the beginning and 237.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:45:15,225 INFO L158 Benchmark]: RCFGBuilder took 544.42ms. Allocated memory is still 271.6MB. Free memory was 237.7MB in the beginning and 215.1MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-02-10 22:45:15,225 INFO L158 Benchmark]: TraceAbstraction took 497380.55ms. Allocated memory was 271.6MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 214.6MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2022-02-10 22:45:15,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.01ms. Allocated memory was 177.2MB in the beginning and 271.6MB in the end (delta: 94.4MB). Free memory was 118.4MB in the beginning and 241.4MB in the end (delta: -123.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 271.6MB. Free memory was 241.4MB in the beginning and 239.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.16ms. Allocated memory is still 271.6MB. Free memory was 239.3MB in the beginning and 237.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 544.42ms. Allocated memory is still 271.6MB. Free memory was 237.7MB in the beginning and 215.1MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 497380.55ms. Allocated memory was 271.6MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 214.6MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. * 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: 168]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 157]: 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: 160]: 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: 159]: 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: 156]: 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: 158]: 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 11 procedures, 205 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 497.2s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 23, EmptinessCheckTime: 22.0s, AutomataDifference: 185.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7160 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7160 mSDsluCounter, 22269 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19107 mSDsCounter, 902 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9154 IncrementalHoareTripleChecker+Invalid, 10056 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 902 mSolverCounterUnsat, 5280 mSDtfsCounter, 9154 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227658occurred in iteration=11, InterpolantAutomatonStates: 223, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 278.8s AutomataMinimizationTime, 23 MinimizatonAttempts, 2320349 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 3243 NumberOfCodeBlocks, 3243 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3220 ConstructedInterpolants, 0 QuantifiedInterpolants, 10075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-02-10 22:45:15,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 !SESSION 2022-02-10 22:36:53.577 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -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/parallel-ticket-5.wvr.c Command-line arguments: -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/parallel-ticket-5.wvr.c !ENTRY org.eclipse.osgi 4 0 2022-02-10 22:45:15.453 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebda7938e/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebda7938e/.metadata/.log.