/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/chl-name-comparator-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 00:36:23,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 00:36:23,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 00:36:23,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 00:36:23,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 00:36:23,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 00:36:23,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 00:36:23,918 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 [2022-02-09 00:36:23,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 00:36:23,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 00:36:23,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 00:36:23,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 00:36:23,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 00:36:23,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 00:36:23,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 00:36:23,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 00:36:23,943 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 00:36:23,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 00:36:23,943 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 00:36:23,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 00:36:23,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 00:36:23,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 00:36:23,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 00:36:23,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 00:36:23,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 00:36:23,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:36:23,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 00:36:23,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 00:36:23,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 00:36:23,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 00:36:23,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 00:36:23,946 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 00:36:23,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 00:36:23,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 00:36:24,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 00:36:24,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 00:36:24,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 00:36:24,123 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 00:36:24,123 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 00:36:24,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-02-09 00:36:24,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c0a1b67/87a14b2d21fc411d988945517d79448b/FLAG3a64c2559 [2022-02-09 00:36:24,537 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 00:36:24,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-02-09 00:36:24,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c0a1b67/87a14b2d21fc411d988945517d79448b/FLAG3a64c2559 [2022-02-09 00:36:24,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c0a1b67/87a14b2d21fc411d988945517d79448b [2022-02-09 00:36:24,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 00:36:24,561 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 00:36:24,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 00:36:24,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 00:36:24,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 00:36:24,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6557b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24, skipping insertion in model container [2022-02-09 00:36:24,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 00:36:24,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 00:36:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2022-02-09 00:36:24,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:36:24,781 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 00:36:24,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2022-02-09 00:36:24,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:36:24,808 INFO L208 MainTranslator]: Completed translation [2022-02-09 00:36:24,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24 WrapperNode [2022-02-09 00:36:24,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 00:36:24,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 00:36:24,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 00:36:24,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 00:36:24,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,836 INFO L137 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 278 [2022-02-09 00:36:24,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 00:36:24,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 00:36:24,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 00:36:24,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 00:36:24,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 00:36:24,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 00:36:24,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 00:36:24,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 00:36:24,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (1/1) ... [2022-02-09 00:36:24,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:36:24,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:36:24,887 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) [2022-02-09 00:36:24,896 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 [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 00:36:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 00:36:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 00:36:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 00:36:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 00:36:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 00:36:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 00:36:24,919 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 00:36:24,998 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 00:36:24,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 00:36:25,290 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 00:36:25,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 00:36:25,303 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 00:36:25,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:36:25 BoogieIcfgContainer [2022-02-09 00:36:25,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 00:36:25,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 00:36:25,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 00:36:25,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 00:36:25,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:36:24" (1/3) ... [2022-02-09 00:36:25,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad0f94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:36:25, skipping insertion in model container [2022-02-09 00:36:25,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:36:24" (2/3) ... [2022-02-09 00:36:25,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad0f94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:36:25, skipping insertion in model container [2022-02-09 00:36:25,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:36:25" (3/3) ... [2022-02-09 00:36:25,310 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2022-02-09 00:36:25,314 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 00:36:25,314 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 00:36:25,314 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 00:36:25,314 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 00:36:25,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,351 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,352 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,353 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,354 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,355 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,356 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,357 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,358 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,359 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,360 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,362 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,363 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,363 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,365 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,366 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,367 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,372 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,379 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,380 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,387 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,388 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,389 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,390 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,391 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,391 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,391 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,391 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,391 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,392 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,393 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,394 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,402 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,402 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,405 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,406 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,408 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,413 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,414 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,418 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:36:25,423 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 00:36:25,464 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:36:25,468 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, mLazyFiniteAutomaton=false, 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 [2022-02-09 00:36:25,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 00:36:25,484 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 325 places, 353 transitions, 722 flow [2022-02-09 00:36:26,282 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-02-09 00:36:26,549 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:26,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:26,550 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:26,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:26,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1341971264, now seen corresponding path program 1 times [2022-02-09 00:36:26,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:26,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979559083] [2022-02-09 00:36:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:26,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:26,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:26,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979559083] [2022-02-09 00:36:26,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979559083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:26,825 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:26,825 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 00:36:26,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800079340] [2022-02-09 00:36:26,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:26,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 00:36:26,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:26,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 00:36:26,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 00:36:26,908 INFO L87 Difference]: Start difference. First operand has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:27,262 INFO L93 Difference]: Finished difference Result 31889 states and 91885 transitions. [2022-02-09 00:36:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 00:36:27,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2022-02-09 00:36:27,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:27,454 INFO L225 Difference]: With dead ends: 31889 [2022-02-09 00:36:27,454 INFO L226 Difference]: Without dead ends: 29098 [2022-02-09 00:36:27,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 00:36:27,460 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:27,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29098 states. [2022-02-09 00:36:28,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29098 to 29098. [2022-02-09 00:36:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29098 states, 29097 states have (on average 2.8875141767192494) internal successors, (84018), 29097 states have internal predecessors, (84018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29098 states to 29098 states and 84018 transitions. [2022-02-09 00:36:28,441 INFO L78 Accepts]: Start accepts. Automaton has 29098 states and 84018 transitions. Word has length 164 [2022-02-09 00:36:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:28,441 INFO L470 AbstractCegarLoop]: Abstraction has 29098 states and 84018 transitions. [2022-02-09 00:36:28,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29098 states and 84018 transitions. [2022-02-09 00:36:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-09 00:36:28,518 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:28,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:28,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 00:36:28,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:28,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:28,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2093121947, now seen corresponding path program 1 times [2022-02-09 00:36:28,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:28,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847997391] [2022-02-09 00:36:28,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:28,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:28,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:28,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847997391] [2022-02-09 00:36:28,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847997391] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:28,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:28,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:36:28,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904176177] [2022-02-09 00:36:28,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:28,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:36:28,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:28,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:36:28,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:36:28,822 INFO L87 Difference]: Start difference. First operand 29098 states and 84018 transitions. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:29,239 INFO L93 Difference]: Finished difference Result 50235 states and 144398 transitions. [2022-02-09 00:36:29,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 00:36:29,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-09 00:36:29,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:29,402 INFO L225 Difference]: With dead ends: 50235 [2022-02-09 00:36:29,402 INFO L226 Difference]: Without dead ends: 50235 [2022-02-09 00:36:29,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:36:29,406 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 423 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:29,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 2043 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50235 states. [2022-02-09 00:36:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50235 to 37219. [2022-02-09 00:36:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37219 states, 37218 states have (on average 2.885781073674029) internal successors, (107403), 37218 states have internal predecessors, (107403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37219 states to 37219 states and 107403 transitions. [2022-02-09 00:36:30,739 INFO L78 Accepts]: Start accepts. Automaton has 37219 states and 107403 transitions. Word has length 166 [2022-02-09 00:36:30,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:30,742 INFO L470 AbstractCegarLoop]: Abstraction has 37219 states and 107403 transitions. [2022-02-09 00:36:30,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 37219 states and 107403 transitions. [2022-02-09 00:36:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-09 00:36:30,828 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:30,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:30,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 00:36:30,829 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:30,829 INFO L85 PathProgramCache]: Analyzing trace with hash -782458299, now seen corresponding path program 1 times [2022-02-09 00:36:30,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:30,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583206431] [2022-02-09 00:36:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:30,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:30,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:30,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583206431] [2022-02-09 00:36:30,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583206431] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:30,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:30,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:36:30,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830198821] [2022-02-09 00:36:30,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:30,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:36:30,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:30,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:36:30,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:36:30,889 INFO L87 Difference]: Start difference. First operand 37219 states and 107403 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:31,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:31,318 INFO L93 Difference]: Finished difference Result 69921 states and 200064 transitions. [2022-02-09 00:36:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:36:31,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-09 00:36:31,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:31,498 INFO L225 Difference]: With dead ends: 69921 [2022-02-09 00:36:31,499 INFO L226 Difference]: Without dead ends: 69921 [2022-02-09 00:36:31,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:36:31,500 INFO L933 BasicCegarLoop]: 480 mSDtfsCounter, 212 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:31,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 759 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:36:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69921 states. [2022-02-09 00:36:32,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69921 to 42147. [2022-02-09 00:36:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42147 states, 42146 states have (on average 2.8571394675651307) internal successors, (120417), 42146 states have internal predecessors, (120417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42147 states to 42147 states and 120417 transitions. [2022-02-09 00:36:32,710 INFO L78 Accepts]: Start accepts. Automaton has 42147 states and 120417 transitions. Word has length 166 [2022-02-09 00:36:32,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:32,711 INFO L470 AbstractCegarLoop]: Abstraction has 42147 states and 120417 transitions. [2022-02-09 00:36:32,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 42147 states and 120417 transitions. [2022-02-09 00:36:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-09 00:36:32,784 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:32,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:32,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 00:36:32,785 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:32,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:32,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1738302227, now seen corresponding path program 1 times [2022-02-09 00:36:32,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:32,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176515558] [2022-02-09 00:36:32,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:32,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:32,836 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:32,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176515558] [2022-02-09 00:36:32,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176515558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:32,836 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:32,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 00:36:32,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186246553] [2022-02-09 00:36:32,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:32,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 00:36:32,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:32,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 00:36:32,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 00:36:32,838 INFO L87 Difference]: Start difference. First operand 42147 states and 120417 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:33,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:33,302 INFO L93 Difference]: Finished difference Result 60057 states and 171803 transitions. [2022-02-09 00:36:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 00:36:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-09 00:36:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:33,442 INFO L225 Difference]: With dead ends: 60057 [2022-02-09 00:36:33,443 INFO L226 Difference]: Without dead ends: 60057 [2022-02-09 00:36:33,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:36:33,444 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 313 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:33,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 1249 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:33,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60057 states. [2022-02-09 00:36:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60057 to 46821. [2022-02-09 00:36:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46821 states, 46820 states have (on average 2.860209312259718) internal successors, (133915), 46820 states have internal predecessors, (133915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46821 states to 46821 states and 133915 transitions. [2022-02-09 00:36:34,744 INFO L78 Accepts]: Start accepts. Automaton has 46821 states and 133915 transitions. Word has length 166 [2022-02-09 00:36:34,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:34,744 INFO L470 AbstractCegarLoop]: Abstraction has 46821 states and 133915 transitions. [2022-02-09 00:36:34,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:34,744 INFO L276 IsEmpty]: Start isEmpty. Operand 46821 states and 133915 transitions. [2022-02-09 00:36:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-09 00:36:34,815 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:34,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:34,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 00:36:34,815 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:34,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1700083673, now seen corresponding path program 1 times [2022-02-09 00:36:34,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:34,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702294985] [2022-02-09 00:36:34,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:34,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:34,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:34,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702294985] [2022-02-09 00:36:34,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702294985] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:34,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:34,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:36:34,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619104531] [2022-02-09 00:36:34,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:34,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:36:34,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:34,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:36:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:36:34,864 INFO L87 Difference]: Start difference. First operand 46821 states and 133915 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:35,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:35,322 INFO L93 Difference]: Finished difference Result 63929 states and 182049 transitions. [2022-02-09 00:36:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:36:35,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-09 00:36:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:35,479 INFO L225 Difference]: With dead ends: 63929 [2022-02-09 00:36:35,479 INFO L226 Difference]: Without dead ends: 63929 [2022-02-09 00:36:35,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:36:35,483 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 202 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:35,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 584 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:35,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63929 states. [2022-02-09 00:36:36,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63929 to 42952. [2022-02-09 00:36:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42952 states, 42951 states have (on average 2.8327396335358896) internal successors, (121669), 42951 states have internal predecessors, (121669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42952 states to 42952 states and 121669 transitions. [2022-02-09 00:36:36,623 INFO L78 Accepts]: Start accepts. Automaton has 42952 states and 121669 transitions. Word has length 166 [2022-02-09 00:36:36,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:36,623 INFO L470 AbstractCegarLoop]: Abstraction has 42952 states and 121669 transitions. [2022-02-09 00:36:36,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42952 states and 121669 transitions. [2022-02-09 00:36:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-09 00:36:36,686 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:36,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:36,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 00:36:36,687 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1211819661, now seen corresponding path program 1 times [2022-02-09 00:36:36,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:36,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893310428] [2022-02-09 00:36:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:36,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:36,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:36,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893310428] [2022-02-09 00:36:36,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893310428] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:36,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:36,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:36:36,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283616588] [2022-02-09 00:36:36,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:36,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:36:36,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:36,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:36:36,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:36:36,751 INFO L87 Difference]: Start difference. First operand 42952 states and 121669 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:37,278 INFO L93 Difference]: Finished difference Result 64470 states and 182650 transitions. [2022-02-09 00:36:37,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 00:36:37,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2022-02-09 00:36:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:37,423 INFO L225 Difference]: With dead ends: 64470 [2022-02-09 00:36:37,423 INFO L226 Difference]: Without dead ends: 64470 [2022-02-09 00:36:37,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:36:37,424 INFO L933 BasicCegarLoop]: 583 mSDtfsCounter, 438 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:37,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 1920 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:36:37,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64470 states. [2022-02-09 00:36:38,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64470 to 49332. [2022-02-09 00:36:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49332 states, 49331 states have (on average 2.836086841945227) internal successors, (139907), 49331 states have internal predecessors, (139907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49332 states to 49332 states and 139907 transitions. [2022-02-09 00:36:38,720 INFO L78 Accepts]: Start accepts. Automaton has 49332 states and 139907 transitions. Word has length 168 [2022-02-09 00:36:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:38,720 INFO L470 AbstractCegarLoop]: Abstraction has 49332 states and 139907 transitions. [2022-02-09 00:36:38,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 49332 states and 139907 transitions. [2022-02-09 00:36:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-02-09 00:36:38,793 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:38,793 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:38,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 00:36:38,794 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1235692290, now seen corresponding path program 1 times [2022-02-09 00:36:38,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:38,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882473709] [2022-02-09 00:36:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:38,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:38,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:38,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882473709] [2022-02-09 00:36:38,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882473709] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:38,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:38,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:36:38,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218240855] [2022-02-09 00:36:38,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:38,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:36:38,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:38,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:36:38,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:36:38,860 INFO L87 Difference]: Start difference. First operand 49332 states and 139907 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:39,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:39,310 INFO L93 Difference]: Finished difference Result 49338 states and 139913 transitions. [2022-02-09 00:36:39,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 00:36:39,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2022-02-09 00:36:39,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:39,422 INFO L225 Difference]: With dead ends: 49338 [2022-02-09 00:36:39,422 INFO L226 Difference]: Without dead ends: 49338 [2022-02-09 00:36:39,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:36:39,424 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 515 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:39,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 664 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:39,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49338 states. [2022-02-09 00:36:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49338 to 49333. [2022-02-09 00:36:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49333 states, 49332 states have (on average 2.8360496229627827) internal successors, (139908), 49332 states have internal predecessors, (139908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49333 states to 49333 states and 139908 transitions. [2022-02-09 00:36:40,601 INFO L78 Accepts]: Start accepts. Automaton has 49333 states and 139908 transitions. Word has length 170 [2022-02-09 00:36:40,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:40,601 INFO L470 AbstractCegarLoop]: Abstraction has 49333 states and 139908 transitions. [2022-02-09 00:36:40,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 49333 states and 139908 transitions. [2022-02-09 00:36:40,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-09 00:36:40,672 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:40,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:40,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 00:36:40,672 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:40,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:40,673 INFO L85 PathProgramCache]: Analyzing trace with hash 985344181, now seen corresponding path program 1 times [2022-02-09 00:36:40,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:40,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432854950] [2022-02-09 00:36:40,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:40,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:40,748 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:40,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432854950] [2022-02-09 00:36:40,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432854950] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:36:40,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664347026] [2022-02-09 00:36:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:40,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:36:40,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:36:40,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 00:36:40,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-09 00:36:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:40,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-09 00:36:40,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:36:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:41,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:36:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:36:41,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664347026] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:36:41,418 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:36:41,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-02-09 00:36:41,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53387314] [2022-02-09 00:36:41,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:36:41,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 00:36:41,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:41,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 00:36:41,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-02-09 00:36:41,421 INFO L87 Difference]: Start difference. First operand 49333 states and 139908 transitions. Second operand has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:41,705 INFO L93 Difference]: Finished difference Result 49347 states and 139922 transitions. [2022-02-09 00:36:41,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 00:36:41,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2022-02-09 00:36:41,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:41,817 INFO L225 Difference]: With dead ends: 49347 [2022-02-09 00:36:41,817 INFO L226 Difference]: Without dead ends: 49347 [2022-02-09 00:36:41,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2022-02-09 00:36:41,818 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 807 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:41,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 1328 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:42,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49347 states. [2022-02-09 00:36:42,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49347 to 49347. [2022-02-09 00:36:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49347 states, 49346 states have (on average 2.8355287156000486) internal successors, (139922), 49346 states have internal predecessors, (139922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49347 states to 49347 states and 139922 transitions. [2022-02-09 00:36:42,949 INFO L78 Accepts]: Start accepts. Automaton has 49347 states and 139922 transitions. Word has length 177 [2022-02-09 00:36:42,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:42,949 INFO L470 AbstractCegarLoop]: Abstraction has 49347 states and 139922 transitions. [2022-02-09 00:36:42,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49347 states and 139922 transitions. [2022-02-09 00:36:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-02-09 00:36:43,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:43,033 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:43,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-09 00:36:43,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:36:43,248 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:43,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:43,248 INFO L85 PathProgramCache]: Analyzing trace with hash 936022165, now seen corresponding path program 2 times [2022-02-09 00:36:43,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:43,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351546422] [2022-02-09 00:36:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:43,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:43,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:43,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351546422] [2022-02-09 00:36:43,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351546422] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:43,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:43,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 00:36:43,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995933250] [2022-02-09 00:36:43,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:43,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 00:36:43,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:43,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 00:36:43,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-09 00:36:43,346 INFO L87 Difference]: Start difference. First operand 49347 states and 139922 transitions. Second operand has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:43,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:43,828 INFO L93 Difference]: Finished difference Result 49371 states and 139947 transitions. [2022-02-09 00:36:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 00:36:43,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-02-09 00:36:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:43,926 INFO L225 Difference]: With dead ends: 49371 [2022-02-09 00:36:43,926 INFO L226 Difference]: Without dead ends: 49140 [2022-02-09 00:36:43,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-02-09 00:36:43,927 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 42 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:43,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 1880 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:44,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49140 states. [2022-02-09 00:36:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49140 to 49129. [2022-02-09 00:36:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49129 states, 49128 states have (on average 2.8362440970525973) internal successors, (139339), 49128 states have internal predecessors, (139339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49129 states to 49129 states and 139339 transitions. [2022-02-09 00:36:45,111 INFO L78 Accepts]: Start accepts. Automaton has 49129 states and 139339 transitions. Word has length 191 [2022-02-09 00:36:45,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:45,111 INFO L470 AbstractCegarLoop]: Abstraction has 49129 states and 139339 transitions. [2022-02-09 00:36:45,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 49129 states and 139339 transitions. [2022-02-09 00:36:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-02-09 00:36:45,188 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:45,188 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:45,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-09 00:36:45,189 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1646631921, now seen corresponding path program 1 times [2022-02-09 00:36:45,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:45,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315920734] [2022-02-09 00:36:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:45,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:45,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:45,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315920734] [2022-02-09 00:36:45,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315920734] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:45,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:45,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 00:36:45,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881522589] [2022-02-09 00:36:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:45,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 00:36:45,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:45,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 00:36:45,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 00:36:45,227 INFO L87 Difference]: Start difference. First operand 49129 states and 139339 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:45,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:45,483 INFO L93 Difference]: Finished difference Result 65156 states and 184980 transitions. [2022-02-09 00:36:45,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 00:36:45,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-02-09 00:36:45,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:45,628 INFO L225 Difference]: With dead ends: 65156 [2022-02-09 00:36:45,628 INFO L226 Difference]: Without dead ends: 65156 [2022-02-09 00:36:45,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:36:45,629 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 273 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:45,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 1252 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65156 states. [2022-02-09 00:36:46,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65156 to 52459. [2022-02-09 00:36:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52459 states, 52458 states have (on average 2.8411681726333446) internal successors, (149042), 52458 states have internal predecessors, (149042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52459 states to 52459 states and 149042 transitions. [2022-02-09 00:36:46,951 INFO L78 Accepts]: Start accepts. Automaton has 52459 states and 149042 transitions. Word has length 209 [2022-02-09 00:36:46,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:46,951 INFO L470 AbstractCegarLoop]: Abstraction has 52459 states and 149042 transitions. [2022-02-09 00:36:46,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 52459 states and 149042 transitions. [2022-02-09 00:36:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-02-09 00:36:47,272 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:47,272 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:47,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-09 00:36:47,273 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash 321311817, now seen corresponding path program 1 times [2022-02-09 00:36:47,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:47,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829074593] [2022-02-09 00:36:47,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:47,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:47,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:47,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829074593] [2022-02-09 00:36:47,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829074593] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:47,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:47,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 00:36:47,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630596819] [2022-02-09 00:36:47,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:47,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 00:36:47,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:47,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 00:36:47,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 00:36:47,367 INFO L87 Difference]: Start difference. First operand 52459 states and 149042 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:47,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:47,679 INFO L93 Difference]: Finished difference Result 60035 states and 170619 transitions. [2022-02-09 00:36:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 00:36:47,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-02-09 00:36:47,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:47,808 INFO L225 Difference]: With dead ends: 60035 [2022-02-09 00:36:47,808 INFO L226 Difference]: Without dead ends: 59787 [2022-02-09 00:36:47,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:36:47,809 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 331 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:47,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 1277 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59787 states. [2022-02-09 00:36:48,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59787 to 52211. [2022-02-09 00:36:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52211 states, 52210 states have (on average 2.8343229266424057) internal successors, (147980), 52210 states have internal predecessors, (147980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52211 states to 52211 states and 147980 transitions. [2022-02-09 00:36:49,029 INFO L78 Accepts]: Start accepts. Automaton has 52211 states and 147980 transitions. Word has length 211 [2022-02-09 00:36:49,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:49,029 INFO L470 AbstractCegarLoop]: Abstraction has 52211 states and 147980 transitions. [2022-02-09 00:36:49,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 52211 states and 147980 transitions. [2022-02-09 00:36:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-02-09 00:36:49,119 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:49,119 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:49,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-09 00:36:49,120 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:49,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1324597160, now seen corresponding path program 1 times [2022-02-09 00:36:49,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:49,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131991380] [2022-02-09 00:36:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:49,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:49,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:49,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131991380] [2022-02-09 00:36:49,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131991380] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:49,165 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:49,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 00:36:49,165 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761081375] [2022-02-09 00:36:49,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:49,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 00:36:49,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:49,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 00:36:49,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:36:49,166 INFO L87 Difference]: Start difference. First operand 52211 states and 147980 transitions. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:49,750 INFO L93 Difference]: Finished difference Result 63336 states and 178591 transitions. [2022-02-09 00:36:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 00:36:49,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-02-09 00:36:49,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:49,885 INFO L225 Difference]: With dead ends: 63336 [2022-02-09 00:36:49,886 INFO L226 Difference]: Without dead ends: 62856 [2022-02-09 00:36:49,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-09 00:36:49,886 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 591 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:49,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 2246 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:36:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62856 states. [2022-02-09 00:36:50,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62856 to 51731. [2022-02-09 00:36:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51731 states, 51730 states have (on average 2.8274115600231973) internal successors, (146262), 51730 states have internal predecessors, (146262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51731 states to 51731 states and 146262 transitions. [2022-02-09 00:36:51,276 INFO L78 Accepts]: Start accepts. Automaton has 51731 states and 146262 transitions. Word has length 211 [2022-02-09 00:36:51,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:51,276 INFO L470 AbstractCegarLoop]: Abstraction has 51731 states and 146262 transitions. [2022-02-09 00:36:51,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 51731 states and 146262 transitions. [2022-02-09 00:36:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:36:51,372 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:51,372 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:51,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-09 00:36:51,372 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1869389102, now seen corresponding path program 1 times [2022-02-09 00:36:51,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:51,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226578514] [2022-02-09 00:36:51,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:51,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:51,421 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:51,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226578514] [2022-02-09 00:36:51,421 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226578514] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:51,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:51,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 00:36:51,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861096343] [2022-02-09 00:36:51,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:51,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 00:36:51,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:51,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 00:36:51,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:36:51,423 INFO L87 Difference]: Start difference. First operand 51731 states and 146262 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:51,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:51,880 INFO L93 Difference]: Finished difference Result 68105 states and 191781 transitions. [2022-02-09 00:36:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 00:36:51,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:36:51,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:52,028 INFO L225 Difference]: With dead ends: 68105 [2022-02-09 00:36:52,028 INFO L226 Difference]: Without dead ends: 68105 [2022-02-09 00:36:52,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:36:52,029 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 826 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:52,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [826 Valid, 3101 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:36:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68105 states. [2022-02-09 00:36:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68105 to 55091. [2022-02-09 00:36:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55091 states, 55090 states have (on average 2.8245961154474495) internal successors, (155607), 55090 states have internal predecessors, (155607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55091 states to 55091 states and 155607 transitions. [2022-02-09 00:36:53,373 INFO L78 Accepts]: Start accepts. Automaton has 55091 states and 155607 transitions. Word has length 219 [2022-02-09 00:36:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:53,373 INFO L470 AbstractCegarLoop]: Abstraction has 55091 states and 155607 transitions. [2022-02-09 00:36:53,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 55091 states and 155607 transitions. [2022-02-09 00:36:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:36:53,468 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:53,468 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:53,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-09 00:36:53,468 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:53,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930734, now seen corresponding path program 1 times [2022-02-09 00:36:53,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:53,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778875188] [2022-02-09 00:36:53,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:53,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:53,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:53,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778875188] [2022-02-09 00:36:53,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778875188] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:53,539 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:53,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 00:36:53,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107284086] [2022-02-09 00:36:53,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:53,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 00:36:53,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:53,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 00:36:53,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:36:53,540 INFO L87 Difference]: Start difference. First operand 55091 states and 155607 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:54,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:54,266 INFO L93 Difference]: Finished difference Result 94832 states and 268230 transitions. [2022-02-09 00:36:54,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:36:54,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:36:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:54,483 INFO L225 Difference]: With dead ends: 94832 [2022-02-09 00:36:54,483 INFO L226 Difference]: Without dead ends: 94832 [2022-02-09 00:36:54,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:36:54,484 INFO L933 BasicCegarLoop]: 778 mSDtfsCounter, 561 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 3201 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:54,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 3201 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94832 states. [2022-02-09 00:36:56,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94832 to 81367. [2022-02-09 00:36:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81367 states, 81366 states have (on average 2.8368606051667773) internal successors, (230824), 81366 states have internal predecessors, (230824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81367 states to 81367 states and 230824 transitions. [2022-02-09 00:36:56,502 INFO L78 Accepts]: Start accepts. Automaton has 81367 states and 230824 transitions. Word has length 219 [2022-02-09 00:36:56,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:36:56,502 INFO L470 AbstractCegarLoop]: Abstraction has 81367 states and 230824 transitions. [2022-02-09 00:36:56,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 81367 states and 230824 transitions. [2022-02-09 00:36:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:36:56,640 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:36:56,640 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:36:56,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-09 00:36:56,640 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:36:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:36:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash -351842088, now seen corresponding path program 1 times [2022-02-09 00:36:56,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:36:56,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365786693] [2022-02-09 00:36:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:36:56,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:36:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:36:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:36:56,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:36:56,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365786693] [2022-02-09 00:36:56,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365786693] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:36:56,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:36:56,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:36:56,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188843716] [2022-02-09 00:36:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:36:56,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:36:56,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:36:56,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:36:56,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:36:56,675 INFO L87 Difference]: Start difference. First operand 81367 states and 230824 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:36:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:36:57,554 INFO L93 Difference]: Finished difference Result 124350 states and 350754 transitions. [2022-02-09 00:36:57,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:36:57,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:36:57,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:36:57,874 INFO L225 Difference]: With dead ends: 124350 [2022-02-09 00:36:57,874 INFO L226 Difference]: Without dead ends: 124350 [2022-02-09 00:36:57,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:36:57,876 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 190 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:36:57,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 740 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:36:58,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124350 states. [2022-02-09 00:36:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124350 to 82807. [2022-02-09 00:36:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82807 states, 82806 states have (on average 2.8358935342849554) internal successors, (234829), 82806 states have internal predecessors, (234829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82807 states to 82807 states and 234829 transitions. [2022-02-09 00:37:00,189 INFO L78 Accepts]: Start accepts. Automaton has 82807 states and 234829 transitions. Word has length 219 [2022-02-09 00:37:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:00,189 INFO L470 AbstractCegarLoop]: Abstraction has 82807 states and 234829 transitions. [2022-02-09 00:37:00,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 82807 states and 234829 transitions. [2022-02-09 00:37:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:00,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:00,769 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:00,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-09 00:37:00,772 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1165252210, now seen corresponding path program 1 times [2022-02-09 00:37:00,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:00,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306553499] [2022-02-09 00:37:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:00,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:00,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:00,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306553499] [2022-02-09 00:37:00,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306553499] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:00,848 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:00,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:37:00,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436208649] [2022-02-09 00:37:00,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:00,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:37:00,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:00,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:37:00,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:37:00,849 INFO L87 Difference]: Start difference. First operand 82807 states and 234829 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:01,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:01,448 INFO L93 Difference]: Finished difference Result 112830 states and 316794 transitions. [2022-02-09 00:37:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:37:01,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:01,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:01,935 INFO L225 Difference]: With dead ends: 112830 [2022-02-09 00:37:01,935 INFO L226 Difference]: Without dead ends: 112830 [2022-02-09 00:37:01,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:37:01,936 INFO L933 BasicCegarLoop]: 474 mSDtfsCounter, 199 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:01,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 756 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:37:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112830 states. [2022-02-09 00:37:03,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112830 to 78967. [2022-02-09 00:37:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78967 states, 78966 states have (on average 2.8263936377681533) internal successors, (223189), 78966 states have internal predecessors, (223189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78967 states to 78967 states and 223189 transitions. [2022-02-09 00:37:03,774 INFO L78 Accepts]: Start accepts. Automaton has 78967 states and 223189 transitions. Word has length 219 [2022-02-09 00:37:03,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:03,775 INFO L470 AbstractCegarLoop]: Abstraction has 78967 states and 223189 transitions. [2022-02-09 00:37:03,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 78967 states and 223189 transitions. [2022-02-09 00:37:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:03,907 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:03,907 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:03,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-09 00:37:03,907 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:03,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1417626440, now seen corresponding path program 1 times [2022-02-09 00:37:03,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:03,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522530436] [2022-02-09 00:37:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:03,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:04,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:04,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522530436] [2022-02-09 00:37:04,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522530436] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:04,314 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:04,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 00:37:04,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849079919] [2022-02-09 00:37:04,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:04,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 00:37:04,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:04,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 00:37:04,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-09 00:37:04,321 INFO L87 Difference]: Start difference. First operand 78967 states and 223189 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:04,865 INFO L93 Difference]: Finished difference Result 95828 states and 269790 transitions. [2022-02-09 00:37:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 00:37:04,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:05,089 INFO L225 Difference]: With dead ends: 95828 [2022-02-09 00:37:05,089 INFO L226 Difference]: Without dead ends: 95828 [2022-02-09 00:37:05,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2022-02-09 00:37:05,090 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 632 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 3800 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:05,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 3800 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:37:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95828 states. [2022-02-09 00:37:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95828 to 88121. [2022-02-09 00:37:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88121 states, 88120 states have (on average 2.827019972764412) internal successors, (249117), 88120 states have internal predecessors, (249117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:07,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88121 states to 88121 states and 249117 transitions. [2022-02-09 00:37:07,216 INFO L78 Accepts]: Start accepts. Automaton has 88121 states and 249117 transitions. Word has length 219 [2022-02-09 00:37:07,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:07,217 INFO L470 AbstractCegarLoop]: Abstraction has 88121 states and 249117 transitions. [2022-02-09 00:37:07,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 88121 states and 249117 transitions. [2022-02-09 00:37:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:07,679 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:07,679 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:07,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-09 00:37:07,680 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:07,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash 49503480, now seen corresponding path program 1 times [2022-02-09 00:37:07,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:07,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507503867] [2022-02-09 00:37:07,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:07,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-09 00:37:07,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:07,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507503867] [2022-02-09 00:37:07,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507503867] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:07,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:07,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 00:37:07,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134932966] [2022-02-09 00:37:07,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:07,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 00:37:07,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:07,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 00:37:07,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:37:07,759 INFO L87 Difference]: Start difference. First operand 88121 states and 249117 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:08,333 INFO L93 Difference]: Finished difference Result 117892 states and 333478 transitions. [2022-02-09 00:37:08,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 00:37:08,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:08,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:08,928 INFO L225 Difference]: With dead ends: 117892 [2022-02-09 00:37:08,928 INFO L226 Difference]: Without dead ends: 117424 [2022-02-09 00:37:08,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-09 00:37:08,929 INFO L933 BasicCegarLoop]: 827 mSDtfsCounter, 588 mSDsluCounter, 3320 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:08,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 4110 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:37:09,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117424 states. [2022-02-09 00:37:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117424 to 103643. [2022-02-09 00:37:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103643 states, 103642 states have (on average 2.8399394068041914) internal successors, (294337), 103642 states have internal predecessors, (294337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103643 states to 103643 states and 294337 transitions. [2022-02-09 00:37:11,257 INFO L78 Accepts]: Start accepts. Automaton has 103643 states and 294337 transitions. Word has length 219 [2022-02-09 00:37:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:11,257 INFO L470 AbstractCegarLoop]: Abstraction has 103643 states and 294337 transitions. [2022-02-09 00:37:11,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 103643 states and 294337 transitions. [2022-02-09 00:37:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:11,452 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:11,452 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:11,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-09 00:37:11,453 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:11,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:11,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1433822421, now seen corresponding path program 1 times [2022-02-09 00:37:11,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:11,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215561243] [2022-02-09 00:37:11,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:11,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:11,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:11,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215561243] [2022-02-09 00:37:11,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215561243] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:11,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:11,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 00:37:11,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994648666] [2022-02-09 00:37:11,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:11,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 00:37:11,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:11,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 00:37:11,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:37:11,497 INFO L87 Difference]: Start difference. First operand 103643 states and 294337 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:12,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:12,556 INFO L93 Difference]: Finished difference Result 123784 states and 348990 transitions. [2022-02-09 00:37:12,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 00:37:12,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:12,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:12,843 INFO L225 Difference]: With dead ends: 123784 [2022-02-09 00:37:12,843 INFO L226 Difference]: Without dead ends: 123784 [2022-02-09 00:37:12,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:37:12,844 INFO L933 BasicCegarLoop]: 737 mSDtfsCounter, 806 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:12,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [806 Valid, 3101 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:37:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123784 states. [2022-02-09 00:37:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123784 to 110286. [2022-02-09 00:37:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110286 states, 110285 states have (on average 2.8379017998821237) internal successors, (312978), 110285 states have internal predecessors, (312978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110286 states to 110286 states and 312978 transitions. [2022-02-09 00:37:16,070 INFO L78 Accepts]: Start accepts. Automaton has 110286 states and 312978 transitions. Word has length 219 [2022-02-09 00:37:16,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:16,070 INFO L470 AbstractCegarLoop]: Abstraction has 110286 states and 312978 transitions. [2022-02-09 00:37:16,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 110286 states and 312978 transitions. [2022-02-09 00:37:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:16,291 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:16,291 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:16,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-09 00:37:16,291 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:16,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1765692267, now seen corresponding path program 1 times [2022-02-09 00:37:16,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:16,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797682867] [2022-02-09 00:37:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:16,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:16,337 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:16,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797682867] [2022-02-09 00:37:16,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797682867] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:16,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:16,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 00:37:16,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915372852] [2022-02-09 00:37:16,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:16,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 00:37:16,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:16,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 00:37:16,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 00:37:16,339 INFO L87 Difference]: Start difference. First operand 110286 states and 312978 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:17,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:17,502 INFO L93 Difference]: Finished difference Result 188136 states and 536125 transitions. [2022-02-09 00:37:17,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:37:17,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:17,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:18,243 INFO L225 Difference]: With dead ends: 188136 [2022-02-09 00:37:18,244 INFO L226 Difference]: Without dead ends: 188136 [2022-02-09 00:37:18,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:37:18,244 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 552 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:18,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 3155 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:37:18,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188136 states. [2022-02-09 00:37:21,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188136 to 161546. [2022-02-09 00:37:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161546 states, 161545 states have (on average 2.857061499891671) internal successors, (461544), 161545 states have internal predecessors, (461544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161546 states to 161546 states and 461544 transitions. [2022-02-09 00:37:22,324 INFO L78 Accepts]: Start accepts. Automaton has 161546 states and 461544 transitions. Word has length 219 [2022-02-09 00:37:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:22,324 INFO L470 AbstractCegarLoop]: Abstraction has 161546 states and 461544 transitions. [2022-02-09 00:37:22,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 161546 states and 461544 transitions. [2022-02-09 00:37:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:22,620 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:22,620 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:22,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-09 00:37:22,621 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:22,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:22,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1899323211, now seen corresponding path program 1 times [2022-02-09 00:37:22,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:22,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177585914] [2022-02-09 00:37:22,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:22,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:22,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:22,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177585914] [2022-02-09 00:37:22,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177585914] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:22,648 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:22,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:37:22,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424658149] [2022-02-09 00:37:22,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:22,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:37:22,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:37:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:37:22,650 INFO L87 Difference]: Start difference. First operand 161546 states and 461544 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:24,351 INFO L93 Difference]: Finished difference Result 245106 states and 697846 transitions. [2022-02-09 00:37:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:37:24,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:24,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:25,096 INFO L225 Difference]: With dead ends: 245106 [2022-02-09 00:37:25,096 INFO L226 Difference]: Without dead ends: 245106 [2022-02-09 00:37:25,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:37:25,097 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 189 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:25,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 740 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:37:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245106 states. [2022-02-09 00:37:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245106 to 164393. [2022-02-09 00:37:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164393 states, 164392 states have (on average 2.856179132804516) internal successors, (469533), 164392 states have internal predecessors, (469533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164393 states to 164393 states and 469533 transitions. [2022-02-09 00:37:30,131 INFO L78 Accepts]: Start accepts. Automaton has 164393 states and 469533 transitions. Word has length 219 [2022-02-09 00:37:30,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:30,131 INFO L470 AbstractCegarLoop]: Abstraction has 164393 states and 469533 transitions. [2022-02-09 00:37:30,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 164393 states and 469533 transitions. [2022-02-09 00:37:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:30,467 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:30,467 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:30,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-09 00:37:30,467 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:30,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:30,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1372911733, now seen corresponding path program 1 times [2022-02-09 00:37:30,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:30,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929227488] [2022-02-09 00:37:30,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:30,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:30,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:30,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929227488] [2022-02-09 00:37:30,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929227488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:30,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:30,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:37:30,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776967654] [2022-02-09 00:37:30,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:30,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:37:30,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:37:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:37:30,536 INFO L87 Difference]: Start difference. First operand 164393 states and 469533 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:32,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:32,209 INFO L93 Difference]: Finished difference Result 222330 states and 630138 transitions. [2022-02-09 00:37:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:37:32,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:32,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:33,107 INFO L225 Difference]: With dead ends: 222330 [2022-02-09 00:37:33,107 INFO L226 Difference]: Without dead ends: 222330 [2022-02-09 00:37:33,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:37:33,109 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 193 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:33,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 755 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:37:33,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222330 states. [2022-02-09 00:37:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222330 to 156801. [2022-02-09 00:37:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156801 states, 156800 states have (on average 2.846498724489796) internal successors, (446331), 156800 states have internal predecessors, (446331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156801 states to 156801 states and 446331 transitions. [2022-02-09 00:37:37,767 INFO L78 Accepts]: Start accepts. Automaton has 156801 states and 446331 transitions. Word has length 219 [2022-02-09 00:37:37,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:37,767 INFO L470 AbstractCegarLoop]: Abstraction has 156801 states and 446331 transitions. [2022-02-09 00:37:37,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 156801 states and 446331 transitions. [2022-02-09 00:37:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:38,060 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:38,060 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:38,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-09 00:37:38,060 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:38,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:38,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1239280789, now seen corresponding path program 1 times [2022-02-09 00:37:38,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:38,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353673969] [2022-02-09 00:37:38,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:38,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:38,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:38,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353673969] [2022-02-09 00:37:38,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353673969] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:38,109 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:38,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 00:37:38,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877507877] [2022-02-09 00:37:38,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:38,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 00:37:38,110 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:38,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 00:37:38,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-09 00:37:38,110 INFO L87 Difference]: Start difference. First operand 156801 states and 446331 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:39,778 INFO L93 Difference]: Finished difference Result 204043 states and 579554 transitions. [2022-02-09 00:37:39,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 00:37:39,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:39,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:40,368 INFO L225 Difference]: With dead ends: 204043 [2022-02-09 00:37:40,369 INFO L226 Difference]: Without dead ends: 204043 [2022-02-09 00:37:40,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2022-02-09 00:37:40,370 INFO L933 BasicCegarLoop]: 635 mSDtfsCounter, 753 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 3925 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:40,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 3925 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:37:40,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204043 states. [2022-02-09 00:37:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204043 to 177834. [2022-02-09 00:37:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177834 states, 177833 states have (on average 2.8511131229861726) internal successors, (507022), 177833 states have internal predecessors, (507022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177834 states to 177834 states and 507022 transitions. [2022-02-09 00:37:45,426 INFO L78 Accepts]: Start accepts. Automaton has 177834 states and 507022 transitions. Word has length 219 [2022-02-09 00:37:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:45,426 INFO L470 AbstractCegarLoop]: Abstraction has 177834 states and 507022 transitions. [2022-02-09 00:37:45,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 177834 states and 507022 transitions. [2022-02-09 00:37:45,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:45,748 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:45,748 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:45,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-09 00:37:45,748 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:45,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:45,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1960233899, now seen corresponding path program 1 times [2022-02-09 00:37:45,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:45,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754821416] [2022-02-09 00:37:45,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:45,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-09 00:37:45,800 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:45,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754821416] [2022-02-09 00:37:45,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754821416] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:45,800 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:45,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 00:37:45,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571878363] [2022-02-09 00:37:45,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:45,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 00:37:45,801 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:45,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 00:37:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:37:45,801 INFO L87 Difference]: Start difference. First operand 177834 states and 507022 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:47,429 INFO L93 Difference]: Finished difference Result 242468 states and 691849 transitions. [2022-02-09 00:37:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 00:37:47,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:48,116 INFO L225 Difference]: With dead ends: 242468 [2022-02-09 00:37:48,117 INFO L226 Difference]: Without dead ends: 242020 [2022-02-09 00:37:48,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-09 00:37:48,117 INFO L933 BasicCegarLoop]: 821 mSDtfsCounter, 597 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:48,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 4081 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:37:48,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242020 states. [2022-02-09 00:37:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242020 to 211881. [2022-02-09 00:37:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211881 states, 211880 states have (on average 2.8642344723428357) internal successors, (606874), 211880 states have internal predecessors, (606874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211881 states to 211881 states and 606874 transitions. [2022-02-09 00:37:54,720 INFO L78 Accepts]: Start accepts. Automaton has 211881 states and 606874 transitions. Word has length 219 [2022-02-09 00:37:54,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:37:54,720 INFO L470 AbstractCegarLoop]: Abstraction has 211881 states and 606874 transitions. [2022-02-09 00:37:54,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 211881 states and 606874 transitions. [2022-02-09 00:37:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:37:55,288 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:37:55,288 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:37:55,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-09 00:37:55,289 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:37:55,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:37:55,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1128697409, now seen corresponding path program 2 times [2022-02-09 00:37:55,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:37:55,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578210570] [2022-02-09 00:37:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:37:55,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:37:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:37:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:37:55,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:37:55,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578210570] [2022-02-09 00:37:55,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578210570] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:37:55,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:37:55,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 00:37:55,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123095393] [2022-02-09 00:37:55,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:37:55,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 00:37:55,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:37:55,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 00:37:55,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-09 00:37:55,357 INFO L87 Difference]: Start difference. First operand 211881 states and 606874 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:37:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:37:57,587 INFO L93 Difference]: Finished difference Result 243909 states and 695619 transitions. [2022-02-09 00:37:57,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 00:37:57,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:37:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:37:58,290 INFO L225 Difference]: With dead ends: 243909 [2022-02-09 00:37:58,291 INFO L226 Difference]: Without dead ends: 243909 [2022-02-09 00:37:58,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2022-02-09 00:37:58,291 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 858 mSDsluCounter, 3868 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 00:37:58,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 4577 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 00:37:58,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243909 states. [2022-02-09 00:38:03,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243909 to 212569. [2022-02-09 00:38:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212569 states, 212568 states have (on average 2.864410447480336) internal successors, (608882), 212568 states have internal predecessors, (608882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212569 states to 212569 states and 608882 transitions. [2022-02-09 00:38:04,554 INFO L78 Accepts]: Start accepts. Automaton has 212569 states and 608882 transitions. Word has length 219 [2022-02-09 00:38:04,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:04,554 INFO L470 AbstractCegarLoop]: Abstraction has 212569 states and 608882 transitions. [2022-02-09 00:38:04,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 212569 states and 608882 transitions. [2022-02-09 00:38:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:38:04,993 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:04,994 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:04,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-09 00:38:04,994 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:04,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 992800157, now seen corresponding path program 3 times [2022-02-09 00:38:04,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:04,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492244413] [2022-02-09 00:38:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:04,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:05,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:05,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492244413] [2022-02-09 00:38:05,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492244413] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:05,048 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:05,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:05,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953754529] [2022-02-09 00:38:05,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:05,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:05,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:05,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:05,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:05,049 INFO L87 Difference]: Start difference. First operand 212569 states and 608882 transitions. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:07,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:07,022 INFO L93 Difference]: Finished difference Result 247416 states and 705820 transitions. [2022-02-09 00:38:07,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 00:38:07,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:38:07,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:07,844 INFO L225 Difference]: With dead ends: 247416 [2022-02-09 00:38:07,845 INFO L226 Difference]: Without dead ends: 247416 [2022-02-09 00:38:07,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2022-02-09 00:38:07,845 INFO L933 BasicCegarLoop]: 801 mSDtfsCounter, 960 mSDsluCounter, 4823 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 5567 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:07,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 5567 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 00:38:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247416 states. [2022-02-09 00:38:12,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247416 to 213089. [2022-02-09 00:38:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213089 states, 213088 states have (on average 2.8647272488361617) internal successors, (610439), 213088 states have internal predecessors, (610439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213089 states to 213089 states and 610439 transitions. [2022-02-09 00:38:13,902 INFO L78 Accepts]: Start accepts. Automaton has 213089 states and 610439 transitions. Word has length 219 [2022-02-09 00:38:13,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:13,902 INFO L470 AbstractCegarLoop]: Abstraction has 213089 states and 610439 transitions. [2022-02-09 00:38:13,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:13,902 INFO L276 IsEmpty]: Start isEmpty. Operand 213089 states and 610439 transitions. [2022-02-09 00:38:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-09 00:38:14,929 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:14,929 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:14,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-09 00:38:14,930 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:14,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:14,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1359510501, now seen corresponding path program 1 times [2022-02-09 00:38:14,930 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:14,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037483840] [2022-02-09 00:38:14,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:14,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:15,026 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:15,026 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037483840] [2022-02-09 00:38:15,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037483840] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:15,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:15,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:38:15,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830546249] [2022-02-09 00:38:15,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:15,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:38:15,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:15,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:38:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:38:15,027 INFO L87 Difference]: Start difference. First operand 213089 states and 610439 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:16,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:16,844 INFO L93 Difference]: Finished difference Result 247476 states and 706893 transitions. [2022-02-09 00:38:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:38:16,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-09 00:38:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:17,839 INFO L225 Difference]: With dead ends: 247476 [2022-02-09 00:38:17,839 INFO L226 Difference]: Without dead ends: 247476 [2022-02-09 00:38:17,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:38:17,841 INFO L933 BasicCegarLoop]: 618 mSDtfsCounter, 483 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:17,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 2117 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:38:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247476 states. [2022-02-09 00:38:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247476 to 210927. [2022-02-09 00:38:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210927 states, 210926 states have (on average 2.8607473711159366) internal successors, (603406), 210926 states have internal predecessors, (603406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210927 states to 210927 states and 603406 transitions. [2022-02-09 00:38:23,561 INFO L78 Accepts]: Start accepts. Automaton has 210927 states and 603406 transitions. Word has length 219 [2022-02-09 00:38:23,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:23,562 INFO L470 AbstractCegarLoop]: Abstraction has 210927 states and 603406 transitions. [2022-02-09 00:38:23,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 210927 states and 603406 transitions. [2022-02-09 00:38:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:23,922 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:23,922 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:23,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-09 00:38:23,922 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:23,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:23,922 INFO L85 PathProgramCache]: Analyzing trace with hash -316070390, now seen corresponding path program 1 times [2022-02-09 00:38:23,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:23,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468973571] [2022-02-09 00:38:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:23,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:23,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:23,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468973571] [2022-02-09 00:38:23,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468973571] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:23,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:23,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:23,990 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182842416] [2022-02-09 00:38:23,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:23,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:23,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:23,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:23,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:23,991 INFO L87 Difference]: Start difference. First operand 210927 states and 603406 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:24,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:24,954 INFO L93 Difference]: Finished difference Result 120214 states and 339290 transitions. [2022-02-09 00:38:24,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 00:38:24,954 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:24,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:25,256 INFO L225 Difference]: With dead ends: 120214 [2022-02-09 00:38:25,256 INFO L226 Difference]: Without dead ends: 114214 [2022-02-09 00:38:25,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-02-09 00:38:25,256 INFO L933 BasicCegarLoop]: 704 mSDtfsCounter, 655 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4707 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:25,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 4707 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:38:25,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114214 states. [2022-02-09 00:38:27,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114214 to 109965. [2022-02-09 00:38:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109965 states, 109964 states have (on average 2.8333636462842384) internal successors, (311568), 109964 states have internal predecessors, (311568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109965 states to 109965 states and 311568 transitions. [2022-02-09 00:38:28,065 INFO L78 Accepts]: Start accepts. Automaton has 109965 states and 311568 transitions. Word has length 221 [2022-02-09 00:38:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:28,065 INFO L470 AbstractCegarLoop]: Abstraction has 109965 states and 311568 transitions. [2022-02-09 00:38:28,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 109965 states and 311568 transitions. [2022-02-09 00:38:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:28,272 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:28,273 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:28,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-09 00:38:28,273 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:28,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash 804265670, now seen corresponding path program 1 times [2022-02-09 00:38:28,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:28,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32101169] [2022-02-09 00:38:28,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:28,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:28,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:28,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32101169] [2022-02-09 00:38:28,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32101169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:28,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:28,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:28,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843354060] [2022-02-09 00:38:28,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:28,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:28,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:28,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:28,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:28,336 INFO L87 Difference]: Start difference. First operand 109965 states and 311568 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:29,579 INFO L93 Difference]: Finished difference Result 162429 states and 459604 transitions. [2022-02-09 00:38:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 00:38:29,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:30,202 INFO L225 Difference]: With dead ends: 162429 [2022-02-09 00:38:30,202 INFO L226 Difference]: Without dead ends: 162204 [2022-02-09 00:38:30,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-02-09 00:38:30,203 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 486 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 4761 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:30,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [486 Valid, 4761 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 00:38:30,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162204 states. [2022-02-09 00:38:32,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162204 to 110013. [2022-02-09 00:38:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110013 states, 110012 states have (on average 2.8332545540486493) internal successors, (311692), 110012 states have internal predecessors, (311692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311692 transitions. [2022-02-09 00:38:32,940 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311692 transitions. Word has length 221 [2022-02-09 00:38:32,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:32,941 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311692 transitions. [2022-02-09 00:38:32,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311692 transitions. [2022-02-09 00:38:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:33,523 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:33,523 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:33,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-09 00:38:33,524 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:33,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash -713339390, now seen corresponding path program 2 times [2022-02-09 00:38:33,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:33,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331180714] [2022-02-09 00:38:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:33,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:33,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331180714] [2022-02-09 00:38:33,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331180714] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:33,614 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:33,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:33,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515503976] [2022-02-09 00:38:33,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:33,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:33,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:33,615 INFO L87 Difference]: Start difference. First operand 110013 states and 311692 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:34,610 INFO L93 Difference]: Finished difference Result 115345 states and 325515 transitions. [2022-02-09 00:38:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 00:38:34,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:34,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:34,889 INFO L225 Difference]: With dead ends: 115345 [2022-02-09 00:38:34,889 INFO L226 Difference]: Without dead ends: 114213 [2022-02-09 00:38:34,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2022-02-09 00:38:34,890 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 388 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 3976 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:34,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [388 Valid, 3976 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:38:35,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114213 states. [2022-02-09 00:38:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114213 to 109973. [2022-02-09 00:38:37,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109973 states, 109972 states have (on average 2.833284836140108) internal successors, (311582), 109972 states have internal predecessors, (311582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109973 states to 109973 states and 311582 transitions. [2022-02-09 00:38:37,673 INFO L78 Accepts]: Start accepts. Automaton has 109973 states and 311582 transitions. Word has length 221 [2022-02-09 00:38:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:37,674 INFO L470 AbstractCegarLoop]: Abstraction has 109973 states and 311582 transitions. [2022-02-09 00:38:37,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 109973 states and 311582 transitions. [2022-02-09 00:38:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:37,893 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:37,893 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:37,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-09 00:38:37,893 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:37,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1509884272, now seen corresponding path program 3 times [2022-02-09 00:38:37,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:37,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187400529] [2022-02-09 00:38:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:37,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:37,950 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:37,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187400529] [2022-02-09 00:38:37,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187400529] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:37,950 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:37,950 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:37,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412120353] [2022-02-09 00:38:37,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:37,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:37,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:37,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:37,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:37,951 INFO L87 Difference]: Start difference. First operand 109973 states and 311582 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:38,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:38,980 INFO L93 Difference]: Finished difference Result 116827 states and 329554 transitions. [2022-02-09 00:38:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 00:38:38,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:38,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:39,403 INFO L225 Difference]: With dead ends: 116827 [2022-02-09 00:38:39,404 INFO L226 Difference]: Without dead ends: 116579 [2022-02-09 00:38:39,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:38:39,404 INFO L933 BasicCegarLoop]: 613 mSDtfsCounter, 374 mSDsluCounter, 3759 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 4328 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:39,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 4328 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:38:39,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116579 states. [2022-02-09 00:38:41,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116579 to 110193. [2022-02-09 00:38:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110193 states, 110192 states have (on average 2.8329007550457384) internal successors, (312163), 110192 states have internal predecessors, (312163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110193 states to 110193 states and 312163 transitions. [2022-02-09 00:38:42,360 INFO L78 Accepts]: Start accepts. Automaton has 110193 states and 312163 transitions. Word has length 221 [2022-02-09 00:38:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:42,361 INFO L470 AbstractCegarLoop]: Abstraction has 110193 states and 312163 transitions. [2022-02-09 00:38:42,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 110193 states and 312163 transitions. [2022-02-09 00:38:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:42,588 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:42,588 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:42,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-09 00:38:42,589 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:42,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:42,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1567264612, now seen corresponding path program 4 times [2022-02-09 00:38:42,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:42,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952564807] [2022-02-09 00:38:42,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:42,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:42,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:42,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952564807] [2022-02-09 00:38:42,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952564807] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:42,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:42,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:42,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30058733] [2022-02-09 00:38:42,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:42,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:42,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:42,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:42,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:42,667 INFO L87 Difference]: Start difference. First operand 110193 states and 312163 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:43,783 INFO L93 Difference]: Finished difference Result 148723 states and 419198 transitions. [2022-02-09 00:38:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 00:38:43,784 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:43,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:44,155 INFO L225 Difference]: With dead ends: 148723 [2022-02-09 00:38:44,155 INFO L226 Difference]: Without dead ends: 148630 [2022-02-09 00:38:44,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:38:44,156 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 448 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 4683 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:44,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 4683 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 00:38:44,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148630 states. [2022-02-09 00:38:46,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148630 to 110265. [2022-02-09 00:38:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110265 states, 110264 states have (on average 2.832774069505913) internal successors, (312353), 110264 states have internal predecessors, (312353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110265 states to 110265 states and 312353 transitions. [2022-02-09 00:38:47,181 INFO L78 Accepts]: Start accepts. Automaton has 110265 states and 312353 transitions. Word has length 221 [2022-02-09 00:38:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:47,181 INFO L470 AbstractCegarLoop]: Abstraction has 110265 states and 312353 transitions. [2022-02-09 00:38:47,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 110265 states and 312353 transitions. [2022-02-09 00:38:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:47,397 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:47,397 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:47,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-09 00:38:47,397 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:47,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1217290516, now seen corresponding path program 5 times [2022-02-09 00:38:47,398 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:47,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319717005] [2022-02-09 00:38:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:47,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:47,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:47,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319717005] [2022-02-09 00:38:47,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319717005] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:47,456 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:47,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:47,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551653672] [2022-02-09 00:38:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:47,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:47,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:47,457 INFO L87 Difference]: Start difference. First operand 110265 states and 312353 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:48,746 INFO L93 Difference]: Finished difference Result 152088 states and 428381 transitions. [2022-02-09 00:38:48,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 00:38:48,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:48,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:49,359 INFO L225 Difference]: With dead ends: 152088 [2022-02-09 00:38:49,359 INFO L226 Difference]: Without dead ends: 152057 [2022-02-09 00:38:49,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-02-09 00:38:49,360 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 800 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 4535 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:49,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 4535 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 00:38:49,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152057 states. [2022-02-09 00:38:51,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152057 to 110301. [2022-02-09 00:38:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110301 states, 110300 states have (on average 2.832710788757933) internal successors, (312448), 110300 states have internal predecessors, (312448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110301 states to 110301 states and 312448 transitions. [2022-02-09 00:38:52,095 INFO L78 Accepts]: Start accepts. Automaton has 110301 states and 312448 transitions. Word has length 221 [2022-02-09 00:38:52,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:52,095 INFO L470 AbstractCegarLoop]: Abstraction has 110301 states and 312448 transitions. [2022-02-09 00:38:52,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 110301 states and 312448 transitions. [2022-02-09 00:38:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:52,680 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:52,680 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:52,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-09 00:38:52,680 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:52,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:52,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1388679536, now seen corresponding path program 6 times [2022-02-09 00:38:52,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:52,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747390102] [2022-02-09 00:38:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:52,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:52,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:52,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747390102] [2022-02-09 00:38:52,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747390102] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:52,765 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:52,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:52,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265829709] [2022-02-09 00:38:52,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:52,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:52,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:52,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:52,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:52,766 INFO L87 Difference]: Start difference. First operand 110301 states and 312448 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:54,013 INFO L93 Difference]: Finished difference Result 170389 states and 479293 transitions. [2022-02-09 00:38:54,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 00:38:54,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:54,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:54,427 INFO L225 Difference]: With dead ends: 170389 [2022-02-09 00:38:54,427 INFO L226 Difference]: Without dead ends: 162793 [2022-02-09 00:38:54,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-02-09 00:38:54,428 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 1618 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:54,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1618 Valid, 3947 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 00:38:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162793 states. [2022-02-09 00:38:56,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162793 to 110013. [2022-02-09 00:38:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110013 states, 110012 states have (on average 2.832890957350107) internal successors, (311652), 110012 states have internal predecessors, (311652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311652 transitions. [2022-02-09 00:38:57,425 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311652 transitions. Word has length 221 [2022-02-09 00:38:57,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:38:57,425 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311652 transitions. [2022-02-09 00:38:57,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311652 transitions. [2022-02-09 00:38:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-09 00:38:58,032 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:38:58,047 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:38:58,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-09 00:38:58,047 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:38:58,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:38:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1535433892, now seen corresponding path program 7 times [2022-02-09 00:38:58,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:38:58,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734937405] [2022-02-09 00:38:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:38:58,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:38:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:38:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:38:58,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:38:58,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734937405] [2022-02-09 00:38:58,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734937405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:38:58,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:38:58,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-09 00:38:58,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659936189] [2022-02-09 00:38:58,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:38:58,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 00:38:58,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:38:58,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 00:38:58,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:38:58,155 INFO L87 Difference]: Start difference. First operand 110013 states and 311652 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:38:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:38:58,737 INFO L93 Difference]: Finished difference Result 93976 states and 266745 transitions. [2022-02-09 00:38:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 00:38:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-09 00:38:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:38:58,954 INFO L225 Difference]: With dead ends: 93976 [2022-02-09 00:38:58,954 INFO L226 Difference]: Without dead ends: 91945 [2022-02-09 00:38:58,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-02-09 00:38:58,954 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 312 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:38:58,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 4000 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:38:59,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91945 states. [2022-02-09 00:39:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91945 to 88350. [2022-02-09 00:39:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88350 states, 88349 states have (on average 2.853229804525235) internal successors, (252080), 88349 states have internal predecessors, (252080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88350 states to 88350 states and 252080 transitions. [2022-02-09 00:39:01,012 INFO L78 Accepts]: Start accepts. Automaton has 88350 states and 252080 transitions. Word has length 221 [2022-02-09 00:39:01,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:01,012 INFO L470 AbstractCegarLoop]: Abstraction has 88350 states and 252080 transitions. [2022-02-09 00:39:01,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 88350 states and 252080 transitions. [2022-02-09 00:39:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:01,449 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:01,449 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:01,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-09 00:39:01,449 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:01,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:01,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2038481490, now seen corresponding path program 1 times [2022-02-09 00:39:01,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:01,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628988147] [2022-02-09 00:39:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:01,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:01,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:01,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628988147] [2022-02-09 00:39:01,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628988147] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:01,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:01,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:01,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346430528] [2022-02-09 00:39:01,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:01,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:01,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:01,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:01,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:01,602 INFO L87 Difference]: Start difference. First operand 88350 states and 252080 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:03,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:03,788 INFO L93 Difference]: Finished difference Result 95814 states and 271412 transitions. [2022-02-09 00:39:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 00:39:03,788 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:03,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:04,005 INFO L225 Difference]: With dead ends: 95814 [2022-02-09 00:39:04,005 INFO L226 Difference]: Without dead ends: 95814 [2022-02-09 00:39:04,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=739, Invalid=1711, Unknown=0, NotChecked=0, Total=2450 [2022-02-09 00:39:04,006 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1610 mSDsluCounter, 8779 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:04,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1610 Valid, 9396 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 00:39:04,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95814 states. [2022-02-09 00:39:05,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95814 to 89971. [2022-02-09 00:39:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89971 states, 89970 states have (on average 2.8499499833277757) internal successors, (256410), 89970 states have internal predecessors, (256410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89971 states to 89971 states and 256410 transitions. [2022-02-09 00:39:06,166 INFO L78 Accepts]: Start accepts. Automaton has 89971 states and 256410 transitions. Word has length 231 [2022-02-09 00:39:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:06,167 INFO L470 AbstractCegarLoop]: Abstraction has 89971 states and 256410 transitions. [2022-02-09 00:39:06,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 89971 states and 256410 transitions. [2022-02-09 00:39:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:06,670 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:06,670 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:06,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-09 00:39:06,670 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:06,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:06,671 INFO L85 PathProgramCache]: Analyzing trace with hash -570498768, now seen corresponding path program 2 times [2022-02-09 00:39:06,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:06,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277879042] [2022-02-09 00:39:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:06,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:06,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:06,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277879042] [2022-02-09 00:39:06,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277879042] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:06,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:06,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:06,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076878897] [2022-02-09 00:39:06,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:06,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:06,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:06,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:06,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:06,847 INFO L87 Difference]: Start difference. First operand 89971 states and 256410 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:08,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:08,525 INFO L93 Difference]: Finished difference Result 96019 states and 271904 transitions. [2022-02-09 00:39:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 00:39:08,526 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:08,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:08,868 INFO L225 Difference]: With dead ends: 96019 [2022-02-09 00:39:08,869 INFO L226 Difference]: Without dead ends: 96019 [2022-02-09 00:39:08,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=447, Invalid=1113, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 00:39:08,870 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1260 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:08,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 9399 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:09,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96019 states. [2022-02-09 00:39:10,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96019 to 90014. [2022-02-09 00:39:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-09 00:39:11,164 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-09 00:39:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:11,164 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-09 00:39:11,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-09 00:39:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:11,318 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:11,318 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:11,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-09 00:39:11,318 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:11,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:11,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1696541134, now seen corresponding path program 3 times [2022-02-09 00:39:11,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:11,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534985229] [2022-02-09 00:39:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:11,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:11,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:11,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534985229] [2022-02-09 00:39:11,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534985229] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:11,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:11,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:11,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783975216] [2022-02-09 00:39:11,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:11,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:11,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:11,456 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:13,188 INFO L93 Difference]: Finished difference Result 96059 states and 272006 transitions. [2022-02-09 00:39:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:39:13,188 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:13,397 INFO L225 Difference]: With dead ends: 96059 [2022-02-09 00:39:13,397 INFO L226 Difference]: Without dead ends: 96059 [2022-02-09 00:39:13,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=475, Invalid=1247, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:39:13,398 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1253 mSDsluCounter, 8836 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 9456 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:13,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1253 Valid, 9456 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:39:13,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96059 states. [2022-02-09 00:39:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96059 to 90014. [2022-02-09 00:39:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-09 00:39:15,685 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-09 00:39:15,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:15,686 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-09 00:39:15,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-09 00:39:15,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:15,843 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:15,843 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:15,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-09 00:39:15,844 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:15,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:15,844 INFO L85 PathProgramCache]: Analyzing trace with hash 705975048, now seen corresponding path program 4 times [2022-02-09 00:39:15,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:15,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280675259] [2022-02-09 00:39:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:15,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:15,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:15,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280675259] [2022-02-09 00:39:15,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280675259] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:15,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:15,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:15,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928927041] [2022-02-09 00:39:15,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:15,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:15,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:15,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:15,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:15,990 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:17,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:17,810 INFO L93 Difference]: Finished difference Result 96159 states and 272261 transitions. [2022-02-09 00:39:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 00:39:17,810 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:18,016 INFO L225 Difference]: With dead ends: 96159 [2022-02-09 00:39:18,017 INFO L226 Difference]: Without dead ends: 96159 [2022-02-09 00:39:18,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=580, Invalid=1490, Unknown=0, NotChecked=0, Total=2070 [2022-02-09 00:39:18,018 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 1287 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 9501 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:18,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1287 Valid, 9501 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96159 states. [2022-02-09 00:39:19,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96159 to 90014. [2022-02-09 00:39:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-09 00:39:20,050 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-09 00:39:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:20,050 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-09 00:39:20,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-09 00:39:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:20,489 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:20,489 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:20,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-09 00:39:20,490 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:20,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:20,490 INFO L85 PathProgramCache]: Analyzing trace with hash 616985122, now seen corresponding path program 5 times [2022-02-09 00:39:20,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:20,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893621516] [2022-02-09 00:39:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:20,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:20,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:20,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893621516] [2022-02-09 00:39:20,640 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893621516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:20,640 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:20,640 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:20,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020131257] [2022-02-09 00:39:20,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:20,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:20,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:20,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:20,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:20,641 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:22,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:22,483 INFO L93 Difference]: Finished difference Result 96313 states and 272559 transitions. [2022-02-09 00:39:22,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-09 00:39:22,483 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:22,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:22,682 INFO L225 Difference]: With dead ends: 96313 [2022-02-09 00:39:22,682 INFO L226 Difference]: Without dead ends: 96313 [2022-02-09 00:39:22,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=678, Invalid=1674, Unknown=0, NotChecked=0, Total=2352 [2022-02-09 00:39:22,683 INFO L933 BasicCegarLoop]: 775 mSDtfsCounter, 1366 mSDsluCounter, 9094 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 9743 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:22,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1366 Valid, 9743 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:22,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96313 states. [2022-02-09 00:39:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96313 to 90014. [2022-02-09 00:39:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-09 00:39:24,734 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-09 00:39:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:24,734 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-09 00:39:24,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-09 00:39:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:25,172 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:25,173 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:25,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-09 00:39:25,173 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:25,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:25,173 INFO L85 PathProgramCache]: Analyzing trace with hash 968968608, now seen corresponding path program 6 times [2022-02-09 00:39:25,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:25,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280313689] [2022-02-09 00:39:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:25,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:25,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:25,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280313689] [2022-02-09 00:39:25,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280313689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:25,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:25,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:25,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217902826] [2022-02-09 00:39:25,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:25,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:25,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:25,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:25,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:25,318 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:26,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:26,972 INFO L93 Difference]: Finished difference Result 96312 states and 272666 transitions. [2022-02-09 00:39:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 00:39:26,972 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:27,178 INFO L225 Difference]: With dead ends: 96312 [2022-02-09 00:39:27,178 INFO L226 Difference]: Without dead ends: 96312 [2022-02-09 00:39:27,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=449, Invalid=1111, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 00:39:27,178 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1262 mSDsluCounter, 8725 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 9335 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:27,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1262 Valid, 9335 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:27,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96312 states. [2022-02-09 00:39:28,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96312 to 90046. [2022-02-09 00:39:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90046 states, 90045 states have (on average 2.849797323560442) internal successors, (256610), 90045 states have internal predecessors, (256610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90046 states to 90046 states and 256610 transitions. [2022-02-09 00:39:29,286 INFO L78 Accepts]: Start accepts. Automaton has 90046 states and 256610 transitions. Word has length 231 [2022-02-09 00:39:29,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:29,287 INFO L470 AbstractCegarLoop]: Abstraction has 90046 states and 256610 transitions. [2022-02-09 00:39:29,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 90046 states and 256610 transitions. [2022-02-09 00:39:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:29,447 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:29,447 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:29,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-09 00:39:29,447 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:29,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:29,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1058958786, now seen corresponding path program 7 times [2022-02-09 00:39:29,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:29,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478464357] [2022-02-09 00:39:29,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:29,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:29,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:29,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478464357] [2022-02-09 00:39:29,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478464357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:29,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:29,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:29,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181121043] [2022-02-09 00:39:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:29,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:29,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:29,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:29,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:29,932 INFO L87 Difference]: Start difference. First operand 90046 states and 256610 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:31,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:31,298 INFO L93 Difference]: Finished difference Result 96356 states and 272779 transitions. [2022-02-09 00:39:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:39:31,299 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:31,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:31,712 INFO L225 Difference]: With dead ends: 96356 [2022-02-09 00:39:31,712 INFO L226 Difference]: Without dead ends: 96356 [2022-02-09 00:39:31,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=481, Invalid=1241, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:39:31,713 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1250 mSDsluCounter, 8777 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 9391 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:31,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 9391 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:39:31,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96356 states. [2022-02-09 00:39:33,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96356 to 90042. [2022-02-09 00:39:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90042 states, 90041 states have (on average 2.849801756977377) internal successors, (256599), 90041 states have internal predecessors, (256599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90042 states to 90042 states and 256599 transitions. [2022-02-09 00:39:33,761 INFO L78 Accepts]: Start accepts. Automaton has 90042 states and 256599 transitions. Word has length 231 [2022-02-09 00:39:33,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:33,761 INFO L470 AbstractCegarLoop]: Abstraction has 90042 states and 256599 transitions. [2022-02-09 00:39:33,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 90042 states and 256599 transitions. [2022-02-09 00:39:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:33,911 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:33,911 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:33,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-09 00:39:33,911 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:33,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash -2049524872, now seen corresponding path program 8 times [2022-02-09 00:39:33,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:33,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392002875] [2022-02-09 00:39:33,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:33,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:34,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:34,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392002875] [2022-02-09 00:39:34,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392002875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:34,048 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:34,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:34,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148083882] [2022-02-09 00:39:34,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:34,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:34,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:34,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:34,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:34,049 INFO L87 Difference]: Start difference. First operand 90042 states and 256599 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:35,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:35,805 INFO L93 Difference]: Finished difference Result 96452 states and 273023 transitions. [2022-02-09 00:39:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 00:39:35,806 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:36,021 INFO L225 Difference]: With dead ends: 96452 [2022-02-09 00:39:36,021 INFO L226 Difference]: Without dead ends: 96452 [2022-02-09 00:39:36,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=590, Invalid=1480, Unknown=0, NotChecked=0, Total=2070 [2022-02-09 00:39:36,022 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1284 mSDsluCounter, 8816 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 9436 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:36,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 9436 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-09 00:39:36,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96452 states. [2022-02-09 00:39:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96452 to 90030. [2022-02-09 00:39:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90030 states, 90029 states have (on average 2.849815059591909) internal successors, (256566), 90029 states have internal predecessors, (256566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90030 states to 90030 states and 256566 transitions. [2022-02-09 00:39:38,297 INFO L78 Accepts]: Start accepts. Automaton has 90030 states and 256566 transitions. Word has length 231 [2022-02-09 00:39:38,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:38,297 INFO L470 AbstractCegarLoop]: Abstraction has 90030 states and 256566 transitions. [2022-02-09 00:39:38,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:38,297 INFO L276 IsEmpty]: Start isEmpty. Operand 90030 states and 256566 transitions. [2022-02-09 00:39:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:38,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:38,447 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:38,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-09 00:39:38,447 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2138514798, now seen corresponding path program 9 times [2022-02-09 00:39:38,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:38,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102877190] [2022-02-09 00:39:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:38,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:38,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:38,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102877190] [2022-02-09 00:39:38,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102877190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:38,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:38,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:38,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525067880] [2022-02-09 00:39:38,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:38,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:38,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:38,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:38,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:38,596 INFO L87 Difference]: Start difference. First operand 90030 states and 256566 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:40,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:40,508 INFO L93 Difference]: Finished difference Result 96722 states and 273579 transitions. [2022-02-09 00:39:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-09 00:39:40,508 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:40,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:40,747 INFO L225 Difference]: With dead ends: 96722 [2022-02-09 00:39:40,747 INFO L226 Difference]: Without dead ends: 96722 [2022-02-09 00:39:40,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=690, Invalid=1662, Unknown=0, NotChecked=0, Total=2352 [2022-02-09 00:39:40,748 INFO L933 BasicCegarLoop]: 764 mSDtfsCounter, 1458 mSDsluCounter, 9001 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:40,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 9640 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:39:40,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96722 states. [2022-02-09 00:39:42,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96722 to 90026. [2022-02-09 00:39:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90026 states, 90025 states have (on average 2.8498194945848376) internal successors, (256555), 90025 states have internal predecessors, (256555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90026 states to 90026 states and 256555 transitions. [2022-02-09 00:39:43,079 INFO L78 Accepts]: Start accepts. Automaton has 90026 states and 256555 transitions. Word has length 231 [2022-02-09 00:39:43,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:43,079 INFO L470 AbstractCegarLoop]: Abstraction has 90026 states and 256555 transitions. [2022-02-09 00:39:43,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 90026 states and 256555 transitions. [2022-02-09 00:39:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:43,458 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:43,458 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:43,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-09 00:39:43,458 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:43,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1430232344, now seen corresponding path program 10 times [2022-02-09 00:39:43,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:43,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610509841] [2022-02-09 00:39:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:43,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:43,678 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:43,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610509841] [2022-02-09 00:39:43,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610509841] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:43,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:43,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:43,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685029910] [2022-02-09 00:39:43,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:43,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:43,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:43,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:43,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:43,680 INFO L87 Difference]: Start difference. First operand 90026 states and 256555 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:45,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:45,367 INFO L93 Difference]: Finished difference Result 96284 states and 272589 transitions. [2022-02-09 00:39:45,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:39:45,367 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:45,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:45,566 INFO L225 Difference]: With dead ends: 96284 [2022-02-09 00:39:45,566 INFO L226 Difference]: Without dead ends: 96284 [2022-02-09 00:39:45,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=495, Invalid=1227, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:39:45,567 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1254 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:45,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 9332 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96284 states. [2022-02-09 00:39:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96284 to 90078. [2022-02-09 00:39:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90078 states, 90077 states have (on average 2.849761870399769) internal successors, (256698), 90077 states have internal predecessors, (256698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90078 states to 90078 states and 256698 transitions. [2022-02-09 00:39:47,637 INFO L78 Accepts]: Start accepts. Automaton has 90078 states and 256698 transitions. Word has length 231 [2022-02-09 00:39:47,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:47,637 INFO L470 AbstractCegarLoop]: Abstraction has 90078 states and 256698 transitions. [2022-02-09 00:39:47,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 90078 states and 256698 transitions. [2022-02-09 00:39:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:47,794 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:47,794 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:47,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-09 00:39:47,794 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:47,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:47,795 INFO L85 PathProgramCache]: Analyzing trace with hash -597695050, now seen corresponding path program 11 times [2022-02-09 00:39:47,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:47,795 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956663509] [2022-02-09 00:39:47,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:47,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:47,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:47,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956663509] [2022-02-09 00:39:47,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956663509] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:47,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:47,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:47,926 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994036799] [2022-02-09 00:39:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:47,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:47,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:47,927 INFO L87 Difference]: Start difference. First operand 90078 states and 256698 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:49,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:49,667 INFO L93 Difference]: Finished difference Result 96294 states and 272617 transitions. [2022-02-09 00:39:49,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 00:39:49,667 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:49,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:50,097 INFO L225 Difference]: With dead ends: 96294 [2022-02-09 00:39:50,097 INFO L226 Difference]: Without dead ends: 96294 [2022-02-09 00:39:50,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=462, Invalid=1178, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 00:39:50,098 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1242 mSDsluCounter, 8737 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 9353 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:50,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 9353 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-09 00:39:50,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96294 states. [2022-02-09 00:39:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96294 to 90074. [2022-02-09 00:39:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90074 states, 90073 states have (on average 2.8497663006672367) internal successors, (256687), 90073 states have internal predecessors, (256687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90074 states to 90074 states and 256687 transitions. [2022-02-09 00:39:52,155 INFO L78 Accepts]: Start accepts. Automaton has 90074 states and 256687 transitions. Word has length 231 [2022-02-09 00:39:52,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:52,155 INFO L470 AbstractCegarLoop]: Abstraction has 90074 states and 256687 transitions. [2022-02-09 00:39:52,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 90074 states and 256687 transitions. [2022-02-09 00:39:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:52,307 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:52,307 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:52,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-09 00:39:52,308 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:52,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash -668602084, now seen corresponding path program 12 times [2022-02-09 00:39:52,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:52,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134054104] [2022-02-09 00:39:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:52,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:52,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:52,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134054104] [2022-02-09 00:39:52,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134054104] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:52,440 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:52,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:52,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113961656] [2022-02-09 00:39:52,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:52,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:52,441 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:52,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:52,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:52,441 INFO L87 Difference]: Start difference. First operand 90074 states and 256687 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:54,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:54,249 INFO L93 Difference]: Finished difference Result 96245 states and 272488 transitions. [2022-02-09 00:39:54,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 00:39:54,250 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:54,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:54,462 INFO L225 Difference]: With dead ends: 96245 [2022-02-09 00:39:54,462 INFO L226 Difference]: Without dead ends: 96245 [2022-02-09 00:39:54,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=563, Invalid=1329, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 00:39:54,463 INFO L933 BasicCegarLoop]: 726 mSDtfsCounter, 1280 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 9323 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:54,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1280 Valid, 9323 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:54,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96245 states. [2022-02-09 00:39:56,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96245 to 90143. [2022-02-09 00:39:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90143 states, 90142 states have (on average 2.849481928512791) internal successors, (256858), 90142 states have internal predecessors, (256858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-02-09 00:39:56,780 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-02-09 00:39:56,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:39:56,780 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-02-09 00:39:56,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-02-09 00:39:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:39:56,933 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:39:56,934 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:39:56,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-09 00:39:56,934 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:39:56,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:39:56,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1563055824, now seen corresponding path program 13 times [2022-02-09 00:39:56,934 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:39:56,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475336274] [2022-02-09 00:39:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:39:56,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:39:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:39:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:39:57,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:39:57,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475336274] [2022-02-09 00:39:57,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475336274] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:39:57,078 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:39:57,078 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:39:57,078 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513919686] [2022-02-09 00:39:57,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:39:57,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:39:57,078 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:39:57,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:39:57,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:39:57,079 INFO L87 Difference]: Start difference. First operand 90143 states and 256858 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:39:58,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:39:58,830 INFO L93 Difference]: Finished difference Result 96246 states and 272497 transitions. [2022-02-09 00:39:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 00:39:58,830 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:39:58,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:39:59,047 INFO L225 Difference]: With dead ends: 96246 [2022-02-09 00:39:59,047 INFO L226 Difference]: Without dead ends: 96246 [2022-02-09 00:39:59,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=471, Invalid=1169, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 00:39:59,048 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1251 mSDsluCounter, 8722 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 9336 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:39:59,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1251 Valid, 9336 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:39:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96246 states. [2022-02-09 00:40:00,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96246 to 90159. [2022-02-09 00:40:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-02-09 00:40:01,469 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-02-09 00:40:01,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:01,469 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-02-09 00:40:01,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-02-09 00:40:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:01,627 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:01,627 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:01,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-09 00:40:01,628 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:01,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash -464871570, now seen corresponding path program 14 times [2022-02-09 00:40:01,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:01,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275564788] [2022-02-09 00:40:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:01,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:01,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:01,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275564788] [2022-02-09 00:40:01,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275564788] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:01,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:01,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:01,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448617607] [2022-02-09 00:40:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:01,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:01,774 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:01,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:01,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:01,774 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:03,473 INFO L93 Difference]: Finished difference Result 96267 states and 272553 transitions. [2022-02-09 00:40:03,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:40:03,473 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:03,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:03,687 INFO L225 Difference]: With dead ends: 96267 [2022-02-09 00:40:03,688 INFO L226 Difference]: Without dead ends: 96267 [2022-02-09 00:40:03,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=486, Invalid=1236, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:40:03,689 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1245 mSDsluCounter, 8743 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9361 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:03,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1245 Valid, 9361 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:03,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96267 states. [2022-02-09 00:40:05,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96267 to 90155. [2022-02-09 00:40:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90155 states, 90154 states have (on average 2.8494686869135037) internal successors, (256891), 90154 states have internal predecessors, (256891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90155 states to 90155 states and 256891 transitions. [2022-02-09 00:40:05,822 INFO L78 Accepts]: Start accepts. Automaton has 90155 states and 256891 transitions. Word has length 231 [2022-02-09 00:40:05,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:05,822 INFO L470 AbstractCegarLoop]: Abstraction has 90155 states and 256891 transitions. [2022-02-09 00:40:05,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 90155 states and 256891 transitions. [2022-02-09 00:40:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:06,327 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:06,328 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:06,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-09 00:40:06,328 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1455437656, now seen corresponding path program 15 times [2022-02-09 00:40:06,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:06,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918461397] [2022-02-09 00:40:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:06,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:06,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:06,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918461397] [2022-02-09 00:40:06,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918461397] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:06,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:06,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:06,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730153605] [2022-02-09 00:40:06,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:06,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:06,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:06,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:06,495 INFO L87 Difference]: Start difference. First operand 90155 states and 256891 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:08,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:08,297 INFO L93 Difference]: Finished difference Result 96269 states and 272551 transitions. [2022-02-09 00:40:08,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 00:40:08,298 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:08,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:08,501 INFO L225 Difference]: With dead ends: 96269 [2022-02-09 00:40:08,501 INFO L226 Difference]: Without dead ends: 96269 [2022-02-09 00:40:08,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=572, Invalid=1408, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 00:40:08,502 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1272 mSDsluCounter, 8777 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:08,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 9399 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:40:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96269 states. [2022-02-09 00:40:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96269 to 90143. [2022-02-09 00:40:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90143 states, 90142 states have (on average 2.849481928512791) internal successors, (256858), 90142 states have internal predecessors, (256858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-02-09 00:40:10,605 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-02-09 00:40:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:10,605 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-02-09 00:40:10,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-02-09 00:40:10,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:10,763 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:10,764 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:10,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-09 00:40:10,764 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:10,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:10,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1512394704, now seen corresponding path program 16 times [2022-02-09 00:40:10,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:10,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760449169] [2022-02-09 00:40:10,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:10,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:11,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:11,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760449169] [2022-02-09 00:40:11,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760449169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:11,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:11,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:11,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854075980] [2022-02-09 00:40:11,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:11,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:11,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:11,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:11,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:11,251 INFO L87 Difference]: Start difference. First operand 90143 states and 256858 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:12,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:12,824 INFO L93 Difference]: Finished difference Result 96654 states and 273452 transitions. [2022-02-09 00:40:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 00:40:12,824 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:12,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:13,025 INFO L225 Difference]: With dead ends: 96654 [2022-02-09 00:40:13,026 INFO L226 Difference]: Without dead ends: 96654 [2022-02-09 00:40:13,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=475, Invalid=1165, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 00:40:13,026 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1506 mSDsluCounter, 8670 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 9280 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:13,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1506 Valid, 9280 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96654 states. [2022-02-09 00:40:14,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96654 to 90179. [2022-02-09 00:40:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90179 states, 90178 states have (on average 2.8494422142872984) internal successors, (256957), 90178 states have internal predecessors, (256957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-02-09 00:40:15,116 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-02-09 00:40:15,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:15,116 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-02-09 00:40:15,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-02-09 00:40:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:15,272 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:15,272 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:15,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-09 00:40:15,272 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:15,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:15,273 INFO L85 PathProgramCache]: Analyzing trace with hash 754645198, now seen corresponding path program 17 times [2022-02-09 00:40:15,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:15,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419204464] [2022-02-09 00:40:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:15,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:15,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:15,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419204464] [2022-02-09 00:40:15,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419204464] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:15,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:15,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:15,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091493969] [2022-02-09 00:40:15,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:15,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:15,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:15,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:15,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:15,412 INFO L87 Difference]: Start difference. First operand 90179 states and 256957 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:17,067 INFO L93 Difference]: Finished difference Result 96717 states and 273611 transitions. [2022-02-09 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 00:40:17,067 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:17,479 INFO L225 Difference]: With dead ends: 96717 [2022-02-09 00:40:17,480 INFO L226 Difference]: Without dead ends: 96717 [2022-02-09 00:40:17,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:40:17,480 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1494 mSDsluCounter, 8718 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:17,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1494 Valid, 9332 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:17,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96717 states. [2022-02-09 00:40:19,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96717 to 90175. [2022-02-09 00:40:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90175 states, 90174 states have (on average 2.84944662541309) internal successors, (256946), 90174 states have internal predecessors, (256946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-02-09 00:40:19,857 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-02-09 00:40:19,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:19,858 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-02-09 00:40:19,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-02-09 00:40:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:20,019 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:20,019 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:20,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-09 00:40:20,020 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:20,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:20,021 INFO L85 PathProgramCache]: Analyzing trace with hash -235920888, now seen corresponding path program 18 times [2022-02-09 00:40:20,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:20,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81506891] [2022-02-09 00:40:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:20,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:20,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:20,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81506891] [2022-02-09 00:40:20,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81506891] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:20,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:20,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:20,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265519491] [2022-02-09 00:40:20,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:20,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:20,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:20,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:20,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:20,167 INFO L87 Difference]: Start difference. First operand 90175 states and 256946 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:22,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:22,033 INFO L93 Difference]: Finished difference Result 96809 states and 273844 transitions. [2022-02-09 00:40:22,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 00:40:22,033 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:22,245 INFO L225 Difference]: With dead ends: 96809 [2022-02-09 00:40:22,245 INFO L226 Difference]: Without dead ends: 96809 [2022-02-09 00:40:22,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-02-09 00:40:22,246 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1528 mSDsluCounter, 8752 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 9372 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:22,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1528 Valid, 9372 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-09 00:40:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96809 states. [2022-02-09 00:40:23,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96809 to 90163. [2022-02-09 00:40:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90163 states, 90162 states have (on average 2.849459861138839) internal successors, (256913), 90162 states have internal predecessors, (256913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-02-09 00:40:24,529 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-02-09 00:40:24,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:24,529 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-02-09 00:40:24,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-02-09 00:40:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:24,695 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:24,695 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:24,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-09 00:40:24,695 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:24,696 INFO L85 PathProgramCache]: Analyzing trace with hash -324910814, now seen corresponding path program 19 times [2022-02-09 00:40:24,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:24,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146674457] [2022-02-09 00:40:24,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:24,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:24,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:24,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146674457] [2022-02-09 00:40:24,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146674457] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:24,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:24,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:24,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918343306] [2022-02-09 00:40:24,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:24,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:24,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:24,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:24,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:24,831 INFO L87 Difference]: Start difference. First operand 90163 states and 256913 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:26,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:26,735 INFO L93 Difference]: Finished difference Result 96932 states and 274067 transitions. [2022-02-09 00:40:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 00:40:26,735 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:26,937 INFO L225 Difference]: With dead ends: 96932 [2022-02-09 00:40:26,938 INFO L226 Difference]: Without dead ends: 96932 [2022-02-09 00:40:26,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=729, Invalid=1721, Unknown=0, NotChecked=0, Total=2450 [2022-02-09 00:40:26,938 INFO L933 BasicCegarLoop]: 760 mSDtfsCounter, 1617 mSDsluCounter, 8901 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 9541 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:26,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1617 Valid, 9541 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96932 states. [2022-02-09 00:40:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96932 to 90159. [2022-02-09 00:40:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-02-09 00:40:29,443 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-02-09 00:40:29,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:29,443 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-02-09 00:40:29,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-02-09 00:40:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:29,617 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:29,617 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:29,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-09 00:40:29,618 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:29,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:29,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1051130968, now seen corresponding path program 20 times [2022-02-09 00:40:29,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:29,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628161916] [2022-02-09 00:40:29,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:29,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:29,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:29,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628161916] [2022-02-09 00:40:29,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628161916] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:29,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:29,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:29,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258762167] [2022-02-09 00:40:29,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:29,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:29,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:29,763 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:31,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:31,477 INFO L93 Difference]: Finished difference Result 96887 states and 274078 transitions. [2022-02-09 00:40:31,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 00:40:31,478 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:31,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:31,691 INFO L225 Difference]: With dead ends: 96887 [2022-02-09 00:40:31,691 INFO L226 Difference]: Without dead ends: 96887 [2022-02-09 00:40:31,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:40:31,692 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1504 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 9278 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:31,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1504 Valid, 9278 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:40:31,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96887 states. [2022-02-09 00:40:33,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96887 to 90211. [2022-02-09 00:40:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-09 00:40:33,827 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-09 00:40:33,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:33,827 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-09 00:40:33,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-09 00:40:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:34,282 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:34,282 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:34,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-09 00:40:34,283 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:34,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:34,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1215908934, now seen corresponding path program 21 times [2022-02-09 00:40:34,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:34,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475042027] [2022-02-09 00:40:34,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:34,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:34,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:34,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475042027] [2022-02-09 00:40:34,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475042027] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:34,409 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:34,409 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:34,409 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958695554] [2022-02-09 00:40:34,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:34,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:34,409 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:34,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:34,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:34,410 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:36,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:36,100 INFO L93 Difference]: Finished difference Result 96897 states and 274106 transitions. [2022-02-09 00:40:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:40:36,101 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:36,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:36,331 INFO L225 Difference]: With dead ends: 96897 [2022-02-09 00:40:36,331 INFO L226 Difference]: Without dead ends: 96897 [2022-02-09 00:40:36,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=492, Invalid=1230, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:40:36,331 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1492 mSDsluCounter, 8678 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:36,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1492 Valid, 9296 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:36,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96897 states. [2022-02-09 00:40:38,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96897 to 90207. [2022-02-09 00:40:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-09 00:40:38,499 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-09 00:40:38,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:38,500 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-09 00:40:38,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:38,500 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-09 00:40:38,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:38,972 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:38,972 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:38,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-09 00:40:38,973 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:38,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:38,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1145001900, now seen corresponding path program 22 times [2022-02-09 00:40:38,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:38,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135789010] [2022-02-09 00:40:38,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:38,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:39,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:39,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135789010] [2022-02-09 00:40:39,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135789010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:39,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:39,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:39,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276837194] [2022-02-09 00:40:39,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:39,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:39,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:39,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:39,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:39,145 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:40,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:40,893 INFO L93 Difference]: Finished difference Result 96938 states and 274187 transitions. [2022-02-09 00:40:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 00:40:40,894 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:40,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:41,105 INFO L225 Difference]: With dead ends: 96938 [2022-02-09 00:40:41,105 INFO L226 Difference]: Without dead ends: 96938 [2022-02-09 00:40:41,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=589, Invalid=1391, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 00:40:41,106 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1535 mSDsluCounter, 8651 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:41,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 9268 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96938 states. [2022-02-09 00:40:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96938 to 90195. [2022-02-09 00:40:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90195 states, 90194 states have (on average 2.849424573696698) internal successors, (257001), 90194 states have internal predecessors, (257001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-02-09 00:40:43,221 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-02-09 00:40:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:43,221 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-02-09 00:40:43,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-02-09 00:40:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:43,700 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:43,700 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:43,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-09 00:40:43,701 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:43,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:43,701 INFO L85 PathProgramCache]: Analyzing trace with hash -918307488, now seen corresponding path program 23 times [2022-02-09 00:40:43,701 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:43,701 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160369100] [2022-02-09 00:40:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:43,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:43,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:43,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160369100] [2022-02-09 00:40:43,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160369100] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:43,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:43,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:43,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187466680] [2022-02-09 00:40:43,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:43,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:43,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:43,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:43,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:43,832 INFO L87 Difference]: Start difference. First operand 90195 states and 257001 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:45,439 INFO L93 Difference]: Finished difference Result 96924 states and 274161 transitions. [2022-02-09 00:40:45,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:40:45,439 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:45,646 INFO L225 Difference]: With dead ends: 96924 [2022-02-09 00:40:45,646 INFO L226 Difference]: Without dead ends: 96924 [2022-02-09 00:40:45,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1225, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:40:45,647 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1501 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 9284 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:45,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1501 Valid, 9284 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:45,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96924 states. [2022-02-09 00:40:47,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96924 to 90211. [2022-02-09 00:40:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-09 00:40:47,753 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-09 00:40:47,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:47,753 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-09 00:40:47,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-09 00:40:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:47,919 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:47,920 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:47,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-09 00:40:47,920 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1348732414, now seen corresponding path program 24 times [2022-02-09 00:40:47,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:47,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726908071] [2022-02-09 00:40:47,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:47,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:48,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:48,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726908071] [2022-02-09 00:40:48,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726908071] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:48,053 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:48,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:48,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166287639] [2022-02-09 00:40:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:48,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:48,054 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:48,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:48,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:48,054 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:49,958 INFO L93 Difference]: Finished difference Result 96930 states and 274182 transitions. [2022-02-09 00:40:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 00:40:49,959 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:50,379 INFO L225 Difference]: With dead ends: 96930 [2022-02-09 00:40:50,379 INFO L226 Difference]: Without dead ends: 96930 [2022-02-09 00:40:50,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:40:50,380 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1495 mSDsluCounter, 8686 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 9306 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:50,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1495 Valid, 9306 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-09 00:40:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96930 states. [2022-02-09 00:40:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96930 to 90207. [2022-02-09 00:40:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-09 00:40:52,778 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-09 00:40:52,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:52,779 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-09 00:40:52,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-09 00:40:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:52,935 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:52,935 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:52,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-09 00:40:52,935 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:52,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 358166328, now seen corresponding path program 25 times [2022-02-09 00:40:52,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:52,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863968037] [2022-02-09 00:40:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:52,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:53,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:53,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863968037] [2022-02-09 00:40:53,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863968037] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:53,065 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:53,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:53,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068250818] [2022-02-09 00:40:53,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:53,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:53,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:53,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:53,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:53,066 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:54,843 INFO L93 Difference]: Finished difference Result 96962 states and 274250 transitions. [2022-02-09 00:40:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 00:40:54,844 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:55,233 INFO L225 Difference]: With dead ends: 96962 [2022-02-09 00:40:55,233 INFO L226 Difference]: Without dead ends: 96962 [2022-02-09 00:40:55,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-02-09 00:40:55,246 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1522 mSDsluCounter, 8716 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 9340 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:55,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 9340 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96962 states. [2022-02-09 00:40:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96962 to 90147. [2022-02-09 00:40:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90147 states, 90146 states have (on average 2.8494775142546533) internal successors, (256869), 90146 states have internal predecessors, (256869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90147 states to 90147 states and 256869 transitions. [2022-02-09 00:40:57,418 INFO L78 Accepts]: Start accepts. Automaton has 90147 states and 256869 transitions. Word has length 231 [2022-02-09 00:40:57,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:40:57,418 INFO L470 AbstractCegarLoop]: Abstraction has 90147 states and 256869 transitions. [2022-02-09 00:40:57,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 90147 states and 256869 transitions. [2022-02-09 00:40:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:40:57,580 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:40:57,580 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:40:57,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-09 00:40:57,581 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:40:57,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:40:57,581 INFO L85 PathProgramCache]: Analyzing trace with hash 494457068, now seen corresponding path program 26 times [2022-02-09 00:40:57,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:40:57,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38736809] [2022-02-09 00:40:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:40:57,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:40:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:40:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:40:57,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:40:57,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38736809] [2022-02-09 00:40:57,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38736809] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:40:57,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:40:57,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:40:57,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764480223] [2022-02-09 00:40:57,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:40:57,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:40:57,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:40:57,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:40:57,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:40:57,714 INFO L87 Difference]: Start difference. First operand 90147 states and 256869 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:40:59,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:40:59,476 INFO L93 Difference]: Finished difference Result 96650 states and 273445 transitions. [2022-02-09 00:40:59,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 00:40:59,476 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:40:59,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:40:59,692 INFO L225 Difference]: With dead ends: 96650 [2022-02-09 00:40:59,692 INFO L226 Difference]: Without dead ends: 96650 [2022-02-09 00:40:59,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:40:59,693 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1497 mSDsluCounter, 8656 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 9271 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:40:59,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1497 Valid, 9271 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:40:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96650 states. [2022-02-09 00:41:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96650 to 90211. [2022-02-09 00:41:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-09 00:41:02,116 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-09 00:41:02,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:02,116 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-09 00:41:02,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-09 00:41:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:02,272 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:02,272 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:02,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-09 00:41:02,272 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:02,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1533470326, now seen corresponding path program 27 times [2022-02-09 00:41:02,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:02,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209185741] [2022-02-09 00:41:02,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:02,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:02,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:02,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209185741] [2022-02-09 00:41:02,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209185741] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:02,400 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:02,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:02,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086211174] [2022-02-09 00:41:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:02,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:02,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:02,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:02,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:02,401 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:04,055 INFO L93 Difference]: Finished difference Result 96672 states and 273506 transitions. [2022-02-09 00:41:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:41:04,055 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:04,260 INFO L225 Difference]: With dead ends: 96672 [2022-02-09 00:41:04,260 INFO L226 Difference]: Without dead ends: 96672 [2022-02-09 00:41:04,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1225, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:41:04,260 INFO L933 BasicCegarLoop]: 716 mSDtfsCounter, 1485 mSDsluCounter, 8649 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:04,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1485 Valid, 9268 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:04,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96672 states. [2022-02-09 00:41:05,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96672 to 90207. [2022-02-09 00:41:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-09 00:41:06,630 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-09 00:41:06,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:06,630 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-09 00:41:06,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-09 00:41:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:06,782 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:06,782 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:06,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-09 00:41:06,782 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:06,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:06,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1604377360, now seen corresponding path program 28 times [2022-02-09 00:41:06,783 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:06,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490452917] [2022-02-09 00:41:06,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:06,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:06,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:06,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490452917] [2022-02-09 00:41:06,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490452917] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:06,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:06,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:06,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917899262] [2022-02-09 00:41:06,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:06,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:06,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:06,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:06,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:06,919 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:08,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:08,723 INFO L93 Difference]: Finished difference Result 96806 states and 273824 transitions. [2022-02-09 00:41:08,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 00:41:08,724 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:08,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:08,932 INFO L225 Difference]: With dead ends: 96806 [2022-02-09 00:41:08,932 INFO L226 Difference]: Without dead ends: 96806 [2022-02-09 00:41:08,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-02-09 00:41:08,933 INFO L933 BasicCegarLoop]: 727 mSDtfsCounter, 1529 mSDsluCounter, 8680 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 9298 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:08,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1529 Valid, 9298 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96806 states. [2022-02-09 00:41:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96806 to 90195. [2022-02-09 00:41:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90195 states, 90194 states have (on average 2.849424573696698) internal successors, (257001), 90194 states have internal predecessors, (257001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-02-09 00:41:11,346 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-02-09 00:41:11,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:11,347 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-02-09 00:41:11,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-02-09 00:41:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:11,508 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:11,508 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:11,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-09 00:41:11,508 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:11,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash -360441112, now seen corresponding path program 29 times [2022-02-09 00:41:11,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:11,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613021737] [2022-02-09 00:41:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:11,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:11,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:11,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613021737] [2022-02-09 00:41:11,640 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613021737] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:11,641 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:11,641 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:11,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477241720] [2022-02-09 00:41:11,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:11,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:11,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:11,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:11,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:11,642 INFO L87 Difference]: Start difference. First operand 90195 states and 257001 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:13,262 INFO L93 Difference]: Finished difference Result 96666 states and 273489 transitions. [2022-02-09 00:41:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:41:13,262 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:13,475 INFO L225 Difference]: With dead ends: 96666 [2022-02-09 00:41:13,475 INFO L226 Difference]: Without dead ends: 96666 [2022-02-09 00:41:13,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=492, Invalid=1230, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:41:13,476 INFO L933 BasicCegarLoop]: 720 mSDtfsCounter, 1490 mSDsluCounter, 8662 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 9279 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:13,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1490 Valid, 9279 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96666 states. [2022-02-09 00:41:15,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96666 to 90211. [2022-02-09 00:41:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-09 00:41:15,598 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-09 00:41:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:15,598 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-09 00:41:15,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-09 00:41:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:16,108 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:16,109 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:16,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-09 00:41:16,109 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:16,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:16,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1906598790, now seen corresponding path program 30 times [2022-02-09 00:41:16,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:16,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224108312] [2022-02-09 00:41:16,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:16,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:16,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:16,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224108312] [2022-02-09 00:41:16,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224108312] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:16,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:16,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:16,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813820048] [2022-02-09 00:41:16,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:16,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:16,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:16,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:16,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:16,230 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:17,861 INFO L93 Difference]: Finished difference Result 96668 states and 273499 transitions. [2022-02-09 00:41:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 00:41:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:17,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:18,072 INFO L225 Difference]: With dead ends: 96668 [2022-02-09 00:41:18,072 INFO L226 Difference]: Without dead ends: 96668 [2022-02-09 00:41:18,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:41:18,073 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 1484 mSDsluCounter, 8661 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 9283 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:18,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1484 Valid, 9283 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-02-09 00:41:19,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90207. [2022-02-09 00:41:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-09 00:41:20,237 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-09 00:41:20,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:20,237 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-09 00:41:20,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-09 00:41:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:20,398 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:20,398 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:20,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-09 00:41:20,399 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:20,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:20,399 INFO L85 PathProgramCache]: Analyzing trace with hash 916032704, now seen corresponding path program 31 times [2022-02-09 00:41:20,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:20,399 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315526786] [2022-02-09 00:41:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:20,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:20,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:20,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315526786] [2022-02-09 00:41:20,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315526786] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:20,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:20,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:20,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744786898] [2022-02-09 00:41:20,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:20,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:20,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:20,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:20,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:20,882 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:22,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:22,543 INFO L93 Difference]: Finished difference Result 96668 states and 273491 transitions. [2022-02-09 00:41:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 00:41:22,543 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:22,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:22,749 INFO L225 Difference]: With dead ends: 96668 [2022-02-09 00:41:22,749 INFO L226 Difference]: Without dead ends: 96668 [2022-02-09 00:41:22,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=589, Invalid=1391, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 00:41:22,749 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1507 mSDsluCounter, 8679 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:22,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 9304 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 00:41:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-02-09 00:41:24,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90159. [2022-02-09 00:41:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-02-09 00:41:25,104 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-02-09 00:41:25,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:25,104 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-02-09 00:41:25,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-02-09 00:41:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:25,257 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:25,257 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:25,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-09 00:41:25,258 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:25,258 INFO L85 PathProgramCache]: Analyzing trace with hash -987811792, now seen corresponding path program 32 times [2022-02-09 00:41:25,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:25,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178491231] [2022-02-09 00:41:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:25,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:25,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:25,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178491231] [2022-02-09 00:41:25,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178491231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:25,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:25,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:25,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815930032] [2022-02-09 00:41:25,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:25,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:25,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:25,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:25,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:25,382 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:27,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:27,065 INFO L93 Difference]: Finished difference Result 96478 states and 272984 transitions. [2022-02-09 00:41:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 00:41:27,066 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:27,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:27,472 INFO L225 Difference]: With dead ends: 96478 [2022-02-09 00:41:27,473 INFO L226 Difference]: Without dead ends: 96478 [2022-02-09 00:41:27,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 00:41:27,473 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 1489 mSDsluCounter, 8679 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 9295 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:27,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1489 Valid, 9295 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:27,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96478 states. [2022-02-09 00:41:29,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96478 to 90179. [2022-02-09 00:41:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90179 states, 90178 states have (on average 2.8494422142872984) internal successors, (256957), 90178 states have internal predecessors, (256957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-02-09 00:41:29,561 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-02-09 00:41:29,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:29,561 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-02-09 00:41:29,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-02-09 00:41:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:29,719 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:29,719 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:29,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-09 00:41:29,720 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:29,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:29,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1279228110, now seen corresponding path program 33 times [2022-02-09 00:41:29,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:29,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106482238] [2022-02-09 00:41:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:29,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:29,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:29,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106482238] [2022-02-09 00:41:29,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106482238] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:29,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:29,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:29,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756366283] [2022-02-09 00:41:29,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:29,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:29,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:29,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:29,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:29,843 INFO L87 Difference]: Start difference. First operand 90179 states and 256957 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:31,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:31,465 INFO L93 Difference]: Finished difference Result 96456 states and 272932 transitions. [2022-02-09 00:41:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 00:41:31,465 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:31,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:31,684 INFO L225 Difference]: With dead ends: 96456 [2022-02-09 00:41:31,684 INFO L226 Difference]: Without dead ends: 96456 [2022-02-09 00:41:31,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=475, Invalid=1165, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 00:41:31,685 INFO L933 BasicCegarLoop]: 717 mSDtfsCounter, 1478 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 9284 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:31,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1478 Valid, 9284 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:31,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96456 states. [2022-02-09 00:41:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96456 to 90175. [2022-02-09 00:41:33,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90175 states, 90174 states have (on average 2.84944662541309) internal successors, (256946), 90174 states have internal predecessors, (256946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-02-09 00:41:34,052 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-02-09 00:41:34,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:34,052 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-02-09 00:41:34,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-02-09 00:41:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:34,205 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:34,205 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:34,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-09 00:41:34,205 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:34,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1208321076, now seen corresponding path program 34 times [2022-02-09 00:41:34,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:34,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296076570] [2022-02-09 00:41:34,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:34,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:34,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:34,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296076570] [2022-02-09 00:41:34,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296076570] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:34,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:34,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:34,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884264653] [2022-02-09 00:41:34,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:34,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:34,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:34,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:34,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:34,325 INFO L87 Difference]: Start difference. First operand 90175 states and 256946 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:36,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:36,093 INFO L93 Difference]: Finished difference Result 96581 states and 273240 transitions. [2022-02-09 00:41:36,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 00:41:36,093 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:36,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:36,313 INFO L225 Difference]: With dead ends: 96581 [2022-02-09 00:41:36,314 INFO L226 Difference]: Without dead ends: 96581 [2022-02-09 00:41:36,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-02-09 00:41:36,314 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1530 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 9328 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:36,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1530 Valid, 9328 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:36,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96581 states. [2022-02-09 00:41:38,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96581 to 90163. [2022-02-09 00:41:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90163 states, 90162 states have (on average 2.849459861138839) internal successors, (256913), 90162 states have internal predecessors, (256913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-02-09 00:41:38,607 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-02-09 00:41:38,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:38,608 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-02-09 00:41:38,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-02-09 00:41:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:38,765 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:38,766 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:38,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-09 00:41:38,766 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:38,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:38,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1359797848, now seen corresponding path program 35 times [2022-02-09 00:41:38,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:38,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465902318] [2022-02-09 00:41:38,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:38,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:38,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:38,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465902318] [2022-02-09 00:41:38,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465902318] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:38,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:38,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:38,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138608987] [2022-02-09 00:41:38,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:38,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:38,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:38,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:38,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:38,895 INFO L87 Difference]: Start difference. First operand 90163 states and 256913 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:40,726 INFO L93 Difference]: Finished difference Result 96278 states and 272508 transitions. [2022-02-09 00:41:40,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-09 00:41:40,726 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:40,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:40,935 INFO L225 Difference]: With dead ends: 96278 [2022-02-09 00:41:40,935 INFO L226 Difference]: Without dead ends: 96278 [2022-02-09 00:41:40,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=706, Invalid=1646, Unknown=0, NotChecked=0, Total=2352 [2022-02-09 00:41:40,936 INFO L933 BasicCegarLoop]: 730 mSDtfsCounter, 1500 mSDsluCounter, 8694 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:40,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 9318 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:41,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96278 states. [2022-02-09 00:41:42,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96278 to 90186. [2022-02-09 00:41:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90186 states, 90185 states have (on average 2.849365193768365) internal successors, (256970), 90185 states have internal predecessors, (256970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90186 states to 90186 states and 256970 transitions. [2022-02-09 00:41:43,180 INFO L78 Accepts]: Start accepts. Automaton has 90186 states and 256970 transitions. Word has length 231 [2022-02-09 00:41:43,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:43,181 INFO L470 AbstractCegarLoop]: Abstraction has 90186 states and 256970 transitions. [2022-02-09 00:41:43,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 90186 states and 256970 transitions. [2022-02-09 00:41:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:43,326 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:43,327 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:43,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-02-09 00:41:43,327 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:43,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:43,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1655588192, now seen corresponding path program 36 times [2022-02-09 00:41:43,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:43,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559894927] [2022-02-09 00:41:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:43,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:43,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:43,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559894927] [2022-02-09 00:41:43,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559894927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:43,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:43,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:43,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882769130] [2022-02-09 00:41:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:43,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:43,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:43,456 INFO L87 Difference]: Start difference. First operand 90186 states and 256970 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:45,060 INFO L93 Difference]: Finished difference Result 96226 states and 272442 transitions. [2022-02-09 00:41:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 00:41:45,060 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:45,277 INFO L225 Difference]: With dead ends: 96226 [2022-02-09 00:41:45,277 INFO L226 Difference]: Without dead ends: 96226 [2022-02-09 00:41:45,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=457, Invalid=1103, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 00:41:45,278 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1195 mSDsluCounter, 8722 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 9335 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:45,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1195 Valid, 9335 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:45,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96226 states. [2022-02-09 00:41:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96226 to 90274. [2022-02-09 00:41:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90274 states, 90273 states have (on average 2.8492683305085684) internal successors, (257212), 90273 states have internal predecessors, (257212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90274 states to 90274 states and 257212 transitions. [2022-02-09 00:41:47,496 INFO L78 Accepts]: Start accepts. Automaton has 90274 states and 257212 transitions. Word has length 231 [2022-02-09 00:41:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:47,496 INFO L470 AbstractCegarLoop]: Abstraction has 90274 states and 257212 transitions. [2022-02-09 00:41:47,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 90274 states and 257212 transitions. [2022-02-09 00:41:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:47,664 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:47,664 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:47,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-02-09 00:41:47,664 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:47,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:47,664 INFO L85 PathProgramCache]: Analyzing trace with hash 611451710, now seen corresponding path program 37 times [2022-02-09 00:41:47,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:47,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055945180] [2022-02-09 00:41:47,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:47,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:47,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:47,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055945180] [2022-02-09 00:41:47,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055945180] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:47,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:47,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:47,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615683465] [2022-02-09 00:41:47,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:47,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:47,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:47,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:47,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:47,786 INFO L87 Difference]: Start difference. First operand 90274 states and 257212 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:49,412 INFO L93 Difference]: Finished difference Result 96350 states and 272726 transitions. [2022-02-09 00:41:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:41:49,413 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:49,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:49,624 INFO L225 Difference]: With dead ends: 96350 [2022-02-09 00:41:49,625 INFO L226 Difference]: Without dead ends: 96350 [2022-02-09 00:41:49,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=493, Invalid=1229, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:41:49,625 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1169 mSDsluCounter, 8901 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 9536 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:49,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1169 Valid, 9536 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96350 states. [2022-02-09 00:41:51,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96350 to 90270. [2022-02-09 00:41:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90270 states, 90269 states have (on average 2.849272729286909) internal successors, (257201), 90269 states have internal predecessors, (257201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90270 states to 90270 states and 257201 transitions. [2022-02-09 00:41:51,758 INFO L78 Accepts]: Start accepts. Automaton has 90270 states and 257201 transitions. Word has length 231 [2022-02-09 00:41:51,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:51,758 INFO L470 AbstractCegarLoop]: Abstraction has 90270 states and 257201 transitions. [2022-02-09 00:41:51,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 90270 states and 257201 transitions. [2022-02-09 00:41:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:52,208 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:52,208 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:52,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-02-09 00:41:52,208 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash -379114376, now seen corresponding path program 38 times [2022-02-09 00:41:52,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:52,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251101114] [2022-02-09 00:41:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:52,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:52,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:52,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251101114] [2022-02-09 00:41:52,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251101114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:52,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:52,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:52,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223257360] [2022-02-09 00:41:52,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:52,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:52,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:52,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:52,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:52,332 INFO L87 Difference]: Start difference. First operand 90270 states and 257201 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:54,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:54,053 INFO L93 Difference]: Finished difference Result 96430 states and 272930 transitions. [2022-02-09 00:41:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-09 00:41:54,054 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:54,265 INFO L225 Difference]: With dead ends: 96430 [2022-02-09 00:41:54,265 INFO L226 Difference]: Without dead ends: 96430 [2022-02-09 00:41:54,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-02-09 00:41:54,266 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1203 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 9575 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:54,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1203 Valid, 9575 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:41:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96430 states. [2022-02-09 00:41:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96430 to 90258. [2022-02-09 00:41:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90258 states, 90257 states have (on average 2.849285927961266) internal successors, (257168), 90257 states have internal predecessors, (257168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90258 states to 90258 states and 257168 transitions. [2022-02-09 00:41:56,368 INFO L78 Accepts]: Start accepts. Automaton has 90258 states and 257168 transitions. Word has length 231 [2022-02-09 00:41:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:41:56,368 INFO L470 AbstractCegarLoop]: Abstraction has 90258 states and 257168 transitions. [2022-02-09 00:41:56,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 90258 states and 257168 transitions. [2022-02-09 00:41:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:41:56,524 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:41:56,524 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:41:56,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-02-09 00:41:56,524 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:41:56,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:41:56,525 INFO L85 PathProgramCache]: Analyzing trace with hash -468104302, now seen corresponding path program 39 times [2022-02-09 00:41:56,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:41:56,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377236671] [2022-02-09 00:41:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:41:56,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:41:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:41:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:41:56,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:41:56,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377236671] [2022-02-09 00:41:56,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377236671] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:41:56,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:41:56,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:41:56,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363638378] [2022-02-09 00:41:56,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:41:56,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:41:56,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:41:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:41:56,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:41:56,977 INFO L87 Difference]: Start difference. First operand 90258 states and 257168 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:41:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:41:58,962 INFO L93 Difference]: Finished difference Result 96466 states and 273017 transitions. [2022-02-09 00:41:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 00:41:58,963 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:41:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:41:59,169 INFO L225 Difference]: With dead ends: 96466 [2022-02-09 00:41:59,169 INFO L226 Difference]: Without dead ends: 96466 [2022-02-09 00:41:59,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=688, Invalid=1568, Unknown=0, NotChecked=0, Total=2256 [2022-02-09 00:41:59,169 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 1265 mSDsluCounter, 8917 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 9559 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 00:41:59,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 9559 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 00:41:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96466 states. [2022-02-09 00:42:00,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96466 to 90254. [2022-02-09 00:42:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90254 states, 90253 states have (on average 2.8492903282993365) internal successors, (257157), 90253 states have internal predecessors, (257157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90254 states to 90254 states and 257157 transitions. [2022-02-09 00:42:01,354 INFO L78 Accepts]: Start accepts. Automaton has 90254 states and 257157 transitions. Word has length 231 [2022-02-09 00:42:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:42:01,354 INFO L470 AbstractCegarLoop]: Abstraction has 90254 states and 257157 transitions. [2022-02-09 00:42:01,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 90254 states and 257157 transitions. [2022-02-09 00:42:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:42:01,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:42:01,509 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:42:01,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-02-09 00:42:01,509 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:42:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:42:01,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1194324456, now seen corresponding path program 40 times [2022-02-09 00:42:01,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:42:01,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066149380] [2022-02-09 00:42:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:42:01,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:42:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:42:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:42:01,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:42:01,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066149380] [2022-02-09 00:42:01,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066149380] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:42:01,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:42:01,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:42:01,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993055957] [2022-02-09 00:42:01,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:42:01,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:42:01,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:42:01,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:42:01,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:42:01,638 INFO L87 Difference]: Start difference. First operand 90254 states and 257157 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:42:03,336 INFO L93 Difference]: Finished difference Result 96592 states and 273367 transitions. [2022-02-09 00:42:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 00:42:03,337 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:42:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:42:03,723 INFO L225 Difference]: With dead ends: 96592 [2022-02-09 00:42:03,723 INFO L226 Difference]: Without dead ends: 96592 [2022-02-09 00:42:03,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=503, Invalid=1219, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 00:42:03,724 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1179 mSDsluCounter, 8840 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 9475 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:42:03,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1179 Valid, 9475 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:42:03,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96592 states. [2022-02-09 00:42:05,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96592 to 90306. [2022-02-09 00:42:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90306 states, 90305 states have (on average 2.8492331543103924) internal successors, (257300), 90305 states have internal predecessors, (257300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-02-09 00:42:05,847 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-02-09 00:42:05,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:42:05,848 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-02-09 00:42:05,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-02-09 00:42:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:42:06,006 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:42:06,006 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:42:06,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-02-09 00:42:06,006 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:42:06,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:42:06,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1072715446, now seen corresponding path program 41 times [2022-02-09 00:42:06,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:42:06,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115781167] [2022-02-09 00:42:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:42:06,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:42:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:42:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:42:06,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:42:06,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115781167] [2022-02-09 00:42:06,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115781167] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:42:06,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:42:06,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:42:06,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869833607] [2022-02-09 00:42:06,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:42:06,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:42:06,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:42:06,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:42:06,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:42:06,136 INFO L87 Difference]: Start difference. First operand 90306 states and 257300 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:42:07,794 INFO L93 Difference]: Finished difference Result 96602 states and 273395 transitions. [2022-02-09 00:42:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 00:42:07,794 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:42:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:42:08,203 INFO L225 Difference]: With dead ends: 96602 [2022-02-09 00:42:08,203 INFO L226 Difference]: Without dead ends: 96602 [2022-02-09 00:42:08,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=474, Invalid=1166, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 00:42:08,204 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 1167 mSDsluCounter, 8856 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 9495 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:42:08,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 9495 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:42:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96602 states. [2022-02-09 00:42:09,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96602 to 90302. [2022-02-09 00:42:10,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90302 states, 90301 states have (on average 2.849237549971761) internal successors, (257289), 90301 states have internal predecessors, (257289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-02-09 00:42:10,311 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-02-09 00:42:10,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:42:10,311 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-02-09 00:42:10,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-02-09 00:42:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-09 00:42:10,476 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:42:10,477 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:42:10,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-02-09 00:42:10,477 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 00:42:10,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:42:10,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1001808412, now seen corresponding path program 42 times [2022-02-09 00:42:10,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:42:10,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446378968] [2022-02-09 00:42:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:42:10,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:42:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:42:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-09 00:42:10,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:42:10,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446378968] [2022-02-09 00:42:10,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446378968] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:42:10,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:42:10,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-09 00:42:10,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240288075] [2022-02-09 00:42:10,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:42:10,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 00:42:10,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:42:10,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 00:42:10,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-09 00:42:10,607 INFO L87 Difference]: Start difference. First operand 90302 states and 257289 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:42:12,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:42:12,408 INFO L93 Difference]: Finished difference Result 96643 states and 273476 transitions. [2022-02-09 00:42:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 00:42:12,409 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-09 00:42:12,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:42:12,800 INFO L225 Difference]: With dead ends: 96643 [2022-02-09 00:42:12,801 INFO L226 Difference]: Without dead ends: 96643 [2022-02-09 00:42:12,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=571, Invalid=1321, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 00:42:12,801 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 1210 mSDsluCounter, 8821 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 9459 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 00:42:12,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 9459 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 00:42:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96643 states. [2022-02-09 00:42:14,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96643 to 90290. [2022-02-09 00:42:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90290 states, 90289 states have (on average 2.8492507392927156) internal successors, (257256), 90289 states have internal predecessors, (257256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)