/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-4b0ab11 [2022-03-03 16:59:46,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 16:59:46,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 16:59:46,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 16:59:46,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 16:59:46,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 16:59:46,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 16:59:46,778 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 [2022-03-03 16:59:46,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 16:59:46,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 16:59:46,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 16:59:46,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 16:59:46,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 16:59:46,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 16:59:46,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 16:59:46,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 16:59:46,794 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 16:59:46,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 16:59:46,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 16:59:46,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 16:59:46,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:59:46,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 16:59:46,796 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 16:59:46,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 16:59:46,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 16:59:46,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 16:59:47,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 16:59:47,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 16:59:47,018 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 16:59:47,019 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 16:59:47,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-03-03 16:59:47,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6152d35/3818a82c68ec460f870abc98cfe60311/FLAG7f3bef821 [2022-03-03 16:59:47,455 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 16:59:47,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-03-03 16:59:47,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6152d35/3818a82c68ec460f870abc98cfe60311/FLAG7f3bef821 [2022-03-03 16:59:47,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6152d35/3818a82c68ec460f870abc98cfe60311 [2022-03-03 16:59:47,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 16:59:47,481 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 16:59:47,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 16:59:47,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 16:59:47,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 16:59:47,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a436c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47, skipping insertion in model container [2022-03-03 16:59:47,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 16:59:47,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 16:59:47,704 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] [2022-03-03 16:59:47,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:59:47,717 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 16:59:47,749 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] [2022-03-03 16:59:47,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:59:47,766 INFO L208 MainTranslator]: Completed translation [2022-03-03 16:59:47,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47 WrapperNode [2022-03-03 16:59:47,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 16:59:47,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 16:59:47,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 16:59:47,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 16:59:47,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,821 INFO L137 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 278 [2022-03-03 16:59:47,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 16:59:47,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 16:59:47,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 16:59:47,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 16:59:47,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 16:59:47,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 16:59:47,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 16:59:47,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 16:59:47,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (1/1) ... [2022-03-03 16:59:47,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:59:47,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:59:47,890 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) [2022-03-03 16:59:47,908 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 [2022-03-03 16:59:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 16:59:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 16:59:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 16:59:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 16:59:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-03 16:59:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-03 16:59:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-03 16:59:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-03 16:59:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 16:59:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-03 16:59:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 16:59:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 16:59:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 16:59:47,922 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 16:59:48,018 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 16:59:48,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 16:59:48,384 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 16:59:48,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 16:59:48,395 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-03 16:59:48,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:59:48 BoogieIcfgContainer [2022-03-03 16:59:48,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 16:59:48,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 16:59:48,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 16:59:48,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 16:59:48,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:59:47" (1/3) ... [2022-03-03 16:59:48,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5dc611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:59:48, skipping insertion in model container [2022-03-03 16:59:48,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:59:47" (2/3) ... [2022-03-03 16:59:48,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5dc611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:59:48, skipping insertion in model container [2022-03-03 16:59:48,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:59:48" (3/3) ... [2022-03-03 16:59:48,402 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2022-03-03 16:59:48,417 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 16:59:48,417 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 16:59:48,417 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 16:59:48,417 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 16:59:48,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,479 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,479 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,479 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,479 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,479 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,492 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,542 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,543 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,543 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,543 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:59:48,545 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-03 16:59:48,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 16:59:48,580 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 16:59:48,580 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-03 16:59:48,589 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 325 places, 353 transitions, 722 flow [2022-03-03 16:59:49,374 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) [2022-03-03 16:59:49,442 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) [2022-03-03 16:59:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-03-03 16:59:49,599 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:49,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:49,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:49,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:49,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1341971264, now seen corresponding path program 1 times [2022-03-03 16:59:49,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:49,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481341189] [2022-03-03 16:59:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:49,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:59:49,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:49,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481341189] [2022-03-03 16:59:49,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481341189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:59:49,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:59:49,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 16:59:49,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773230167] [2022-03-03 16:59:49,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:59:49,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 16:59:49,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:49,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 16:59:49,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 16:59:49,962 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) [2022-03-03 16:59:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:50,291 INFO L93 Difference]: Finished difference Result 31889 states and 91885 transitions. [2022-03-03 16:59:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 16:59:50,293 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 [2022-03-03 16:59:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:50,462 INFO L225 Difference]: With dead ends: 31889 [2022-03-03 16:59:50,467 INFO L226 Difference]: Without dead ends: 29098 [2022-03-03 16:59:50,468 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 [2022-03-03 16:59:50,471 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 [2022-03-03 16:59:50,472 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] [2022-03-03 16:59:50,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29098 states. [2022-03-03 16:59:51,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29098 to 29098. [2022-03-03 16:59:51,459 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) [2022-03-03 16:59:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29098 states to 29098 states and 84018 transitions. [2022-03-03 16:59:51,627 INFO L78 Accepts]: Start accepts. Automaton has 29098 states and 84018 transitions. Word has length 164 [2022-03-03 16:59:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:51,628 INFO L470 AbstractCegarLoop]: Abstraction has 29098 states and 84018 transitions. [2022-03-03 16:59:51,628 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) [2022-03-03 16:59:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29098 states and 84018 transitions. [2022-03-03 16:59:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-03 16:59:51,713 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:51,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:51,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 16:59:51,716 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:51,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:51,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2093121947, now seen corresponding path program 1 times [2022-03-03 16:59:51,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:51,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359170568] [2022-03-03 16:59:51,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:51,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:59:52,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:52,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359170568] [2022-03-03 16:59:52,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359170568] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:59:52,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:59:52,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 16:59:52,024 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139186818] [2022-03-03 16:59:52,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:59:52,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 16:59:52,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 16:59:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-03 16:59:52,026 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) [2022-03-03 16:59:52,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:52,505 INFO L93 Difference]: Finished difference Result 50235 states and 144398 transitions. [2022-03-03 16:59:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 16:59:52,506 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 [2022-03-03 16:59:52,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:52,675 INFO L225 Difference]: With dead ends: 50235 [2022-03-03 16:59:52,676 INFO L226 Difference]: Without dead ends: 50235 [2022-03-03 16:59:52,677 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 [2022-03-03 16:59:52,678 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 423 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:59:52,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 2043 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:59:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50235 states. [2022-03-03 16:59:53,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50235 to 37219. [2022-03-03 16:59:53,849 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) [2022-03-03 16:59:53,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37219 states to 37219 states and 107403 transitions. [2022-03-03 16:59:53,967 INFO L78 Accepts]: Start accepts. Automaton has 37219 states and 107403 transitions. Word has length 166 [2022-03-03 16:59:53,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:53,968 INFO L470 AbstractCegarLoop]: Abstraction has 37219 states and 107403 transitions. [2022-03-03 16:59:53,968 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) [2022-03-03 16:59:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 37219 states and 107403 transitions. [2022-03-03 16:59:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-03 16:59:54,199 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:54,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:54,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 16:59:54,203 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:54,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:54,203 INFO L85 PathProgramCache]: Analyzing trace with hash -782458299, now seen corresponding path program 1 times [2022-03-03 16:59:54,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:54,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367570856] [2022-03-03 16:59:54,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:54,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:59:54,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:54,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367570856] [2022-03-03 16:59:54,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367570856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:59:54,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:59:54,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 16:59:54,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807771642] [2022-03-03 16:59:54,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:59:54,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 16:59:54,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:54,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 16:59:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 16:59:54,270 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) [2022-03-03 16:59:54,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:54,668 INFO L93 Difference]: Finished difference Result 69921 states and 200064 transitions. [2022-03-03 16:59:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 16:59:54,669 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 [2022-03-03 16:59:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:54,940 INFO L225 Difference]: With dead ends: 69921 [2022-03-03 16:59:54,940 INFO L226 Difference]: Without dead ends: 69921 [2022-03-03 16:59:54,944 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 [2022-03-03 16:59:54,947 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 [2022-03-03 16:59:54,948 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] [2022-03-03 16:59:55,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69921 states. [2022-03-03 16:59:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69921 to 42147. [2022-03-03 16:59:56,193 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) [2022-03-03 16:59:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42147 states to 42147 states and 120417 transitions. [2022-03-03 16:59:56,308 INFO L78 Accepts]: Start accepts. Automaton has 42147 states and 120417 transitions. Word has length 166 [2022-03-03 16:59:56,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:56,308 INFO L470 AbstractCegarLoop]: Abstraction has 42147 states and 120417 transitions. [2022-03-03 16:59:56,309 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) [2022-03-03 16:59:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42147 states and 120417 transitions. [2022-03-03 16:59:56,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-03 16:59:56,568 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:56,569 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:56,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 16:59:56,569 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:56,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1523736767, now seen corresponding path program 1 times [2022-03-03 16:59:56,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:56,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084590082] [2022-03-03 16:59:56,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:56,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:59:56,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:56,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084590082] [2022-03-03 16:59:56,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084590082] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:59:56,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:59:56,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 16:59:56,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336735123] [2022-03-03 16:59:56,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:59:56,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 16:59:56,668 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:56,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 16:59:56,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-03 16:59:56,669 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) [2022-03-03 16:59:57,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:57,234 INFO L93 Difference]: Finished difference Result 60057 states and 171803 transitions. [2022-03-03 16:59:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-03 16:59:57,235 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 [2022-03-03 16:59:57,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:57,382 INFO L225 Difference]: With dead ends: 60057 [2022-03-03 16:59:57,382 INFO L226 Difference]: Without dead ends: 60057 [2022-03-03 16:59:57,382 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 [2022-03-03 16:59:57,383 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 [2022-03-03 16:59:57,383 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] [2022-03-03 16:59:57,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60057 states. [2022-03-03 16:59:58,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60057 to 46821. [2022-03-03 16:59:58,406 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) [2022-03-03 16:59:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46821 states to 46821 states and 133915 transitions. [2022-03-03 16:59:58,526 INFO L78 Accepts]: Start accepts. Automaton has 46821 states and 133915 transitions. Word has length 166 [2022-03-03 16:59:58,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:59:58,527 INFO L470 AbstractCegarLoop]: Abstraction has 46821 states and 133915 transitions. [2022-03-03 16:59:58,527 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) [2022-03-03 16:59:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 46821 states and 133915 transitions. [2022-03-03 16:59:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-03 16:59:58,787 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:59:58,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:59:58,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 16:59:58,793 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 16:59:58,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:59:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1700083673, now seen corresponding path program 1 times [2022-03-03 16:59:58,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:59:58,795 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806165104] [2022-03-03 16:59:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:59:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:59:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:59:58,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:59:58,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:59:58,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806165104] [2022-03-03 16:59:58,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806165104] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:59:58,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:59:58,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 16:59:58,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033917261] [2022-03-03 16:59:58,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:59:58,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 16:59:58,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:59:58,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 16:59:58,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 16:59:58,870 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) [2022-03-03 16:59:59,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:59:59,203 INFO L93 Difference]: Finished difference Result 63929 states and 182049 transitions. [2022-03-03 16:59:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 16:59:59,204 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 [2022-03-03 16:59:59,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:59:59,548 INFO L225 Difference]: With dead ends: 63929 [2022-03-03 16:59:59,548 INFO L226 Difference]: Without dead ends: 63929 [2022-03-03 16:59:59,548 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 [2022-03-03 16:59:59,549 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 202 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:59:59,549 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] [2022-03-03 16:59:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63929 states. [2022-03-03 17:00:00,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63929 to 42952. [2022-03-03 17:00:00,497 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) [2022-03-03 17:00:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42952 states to 42952 states and 121669 transitions. [2022-03-03 17:00:00,753 INFO L78 Accepts]: Start accepts. Automaton has 42952 states and 121669 transitions. Word has length 166 [2022-03-03 17:00:00,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:00,753 INFO L470 AbstractCegarLoop]: Abstraction has 42952 states and 121669 transitions. [2022-03-03 17:00:00,754 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) [2022-03-03 17:00:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42952 states and 121669 transitions. [2022-03-03 17:00:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-03-03 17:00:00,823 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:00,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:00,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 17:00:00,824 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:00,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1211819661, now seen corresponding path program 1 times [2022-03-03 17:00:00,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:00,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489960696] [2022-03-03 17:00:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:00,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:00:00,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:00,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489960696] [2022-03-03 17:00:00,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489960696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:00,913 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:00,913 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 17:00:00,913 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382310637] [2022-03-03 17:00:00,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:00,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 17:00:00,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:00,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 17:00:00,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-03 17:00:00,915 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) [2022-03-03 17:00:01,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:01,223 INFO L93 Difference]: Finished difference Result 64470 states and 182650 transitions. [2022-03-03 17:00:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 17:00:01,224 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 [2022-03-03 17:00:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:01,366 INFO L225 Difference]: With dead ends: 64470 [2022-03-03 17:00:01,366 INFO L226 Difference]: Without dead ends: 64470 [2022-03-03 17:00:01,366 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 [2022-03-03 17:00:01,367 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, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:01,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 1920 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:00:01,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64470 states. [2022-03-03 17:00:02,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64470 to 49332. [2022-03-03 17:00:02,699 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) [2022-03-03 17:00:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49332 states to 49332 states and 139907 transitions. [2022-03-03 17:00:03,085 INFO L78 Accepts]: Start accepts. Automaton has 49332 states and 139907 transitions. Word has length 168 [2022-03-03 17:00:03,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:03,086 INFO L470 AbstractCegarLoop]: Abstraction has 49332 states and 139907 transitions. [2022-03-03 17:00:03,086 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) [2022-03-03 17:00:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49332 states and 139907 transitions. [2022-03-03 17:00:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-03-03 17:00:03,178 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:03,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:03,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 17:00:03,178 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1235692290, now seen corresponding path program 1 times [2022-03-03 17:00:03,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:03,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481981418] [2022-03-03 17:00:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:03,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:00:03,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:03,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481981418] [2022-03-03 17:00:03,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481981418] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:03,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:03,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 17:00:03,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233876792] [2022-03-03 17:00:03,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:03,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 17:00:03,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:03,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 17:00:03,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-03 17:00:03,241 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) [2022-03-03 17:00:03,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:03,506 INFO L93 Difference]: Finished difference Result 49338 states and 139913 transitions. [2022-03-03 17:00:03,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 17:00:03,506 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 [2022-03-03 17:00:03,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:03,646 INFO L225 Difference]: With dead ends: 49338 [2022-03-03 17:00:03,646 INFO L226 Difference]: Without dead ends: 49338 [2022-03-03 17:00:03,647 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 [2022-03-03 17:00:03,647 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 [2022-03-03 17:00:03,647 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] [2022-03-03 17:00:03,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49338 states. [2022-03-03 17:00:04,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49338 to 49333. [2022-03-03 17:00:04,685 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) [2022-03-03 17:00:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49333 states to 49333 states and 139908 transitions. [2022-03-03 17:00:04,817 INFO L78 Accepts]: Start accepts. Automaton has 49333 states and 139908 transitions. Word has length 170 [2022-03-03 17:00:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:04,817 INFO L470 AbstractCegarLoop]: Abstraction has 49333 states and 139908 transitions. [2022-03-03 17:00:04,818 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) [2022-03-03 17:00:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 49333 states and 139908 transitions. [2022-03-03 17:00:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-03-03 17:00:04,896 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:04,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:04,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 17:00:04,896 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash 985344181, now seen corresponding path program 1 times [2022-03-03 17:00:04,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:04,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608017172] [2022-03-03 17:00:04,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:04,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:00:04,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:04,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608017172] [2022-03-03 17:00:04,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608017172] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:00:04,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722511771] [2022-03-03 17:00:04,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:04,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:00:04,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:00:04,964 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) [2022-03-03 17:00:04,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-03 17:00:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:05,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-03 17:00:05,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:00:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:00:05,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:00:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:00:05,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722511771] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:00:05,672 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:00:05,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-03-03 17:00:05,672 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859326761] [2022-03-03 17:00:05,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:00:05,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-03 17:00:05,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:05,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-03 17:00:05,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-03-03 17:00:05,674 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) [2022-03-03 17:00:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:06,226 INFO L93 Difference]: Finished difference Result 49347 states and 139922 transitions. [2022-03-03 17:00:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 17:00:06,226 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 [2022-03-03 17:00:06,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:06,354 INFO L225 Difference]: With dead ends: 49347 [2022-03-03 17:00:06,354 INFO L226 Difference]: Without dead ends: 49347 [2022-03-03 17:00:06,354 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 [2022-03-03 17:00:06,355 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 [2022-03-03 17:00:06,355 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] [2022-03-03 17:00:06,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49347 states. [2022-03-03 17:00:07,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49347 to 49347. [2022-03-03 17:00:07,525 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) [2022-03-03 17:00:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49347 states to 49347 states and 139922 transitions. [2022-03-03 17:00:07,656 INFO L78 Accepts]: Start accepts. Automaton has 49347 states and 139922 transitions. Word has length 177 [2022-03-03 17:00:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:07,656 INFO L470 AbstractCegarLoop]: Abstraction has 49347 states and 139922 transitions. [2022-03-03 17:00:07,656 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) [2022-03-03 17:00:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 49347 states and 139922 transitions. [2022-03-03 17:00:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-03 17:00:07,734 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:07,734 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] [2022-03-03 17:00:07,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-03 17:00:07,935 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 [2022-03-03 17:00:07,937 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:07,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:07,945 INFO L85 PathProgramCache]: Analyzing trace with hash 936022165, now seen corresponding path program 2 times [2022-03-03 17:00:07,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:07,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52639795] [2022-03-03 17:00:07,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:07,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:08,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:08,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52639795] [2022-03-03 17:00:08,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52639795] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:08,036 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:08,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:00:08,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65366530] [2022-03-03 17:00:08,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:08,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:00:08,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:08,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:00:08,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:00:08,037 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) [2022-03-03 17:00:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:08,326 INFO L93 Difference]: Finished difference Result 49371 states and 139947 transitions. [2022-03-03 17:00:08,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:00:08,326 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 [2022-03-03 17:00:08,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:08,438 INFO L225 Difference]: With dead ends: 49371 [2022-03-03 17:00:08,438 INFO L226 Difference]: Without dead ends: 49140 [2022-03-03 17:00:08,438 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 [2022-03-03 17:00:08,439 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 [2022-03-03 17:00:08,439 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] [2022-03-03 17:00:08,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49140 states. [2022-03-03 17:00:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49140 to 49129. [2022-03-03 17:00:09,575 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) [2022-03-03 17:00:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49129 states to 49129 states and 139339 transitions. [2022-03-03 17:00:09,717 INFO L78 Accepts]: Start accepts. Automaton has 49129 states and 139339 transitions. Word has length 191 [2022-03-03 17:00:09,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:09,717 INFO L470 AbstractCegarLoop]: Abstraction has 49129 states and 139339 transitions. [2022-03-03 17:00:09,717 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) [2022-03-03 17:00:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 49129 states and 139339 transitions. [2022-03-03 17:00:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-03-03 17:00:09,821 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:09,821 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] [2022-03-03 17:00:09,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 17:00:09,821 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:09,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:09,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1353808161, now seen corresponding path program 1 times [2022-03-03 17:00:09,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:09,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163674287] [2022-03-03 17:00:09,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:09,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:09,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:09,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163674287] [2022-03-03 17:00:09,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163674287] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:09,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:09,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 17:00:09,897 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627894389] [2022-03-03 17:00:09,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:09,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 17:00:09,897 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:09,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 17:00:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:00:09,898 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) [2022-03-03 17:00:10,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:10,433 INFO L93 Difference]: Finished difference Result 65156 states and 184980 transitions. [2022-03-03 17:00:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-03 17:00:10,434 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 [2022-03-03 17:00:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:10,607 INFO L225 Difference]: With dead ends: 65156 [2022-03-03 17:00:10,607 INFO L226 Difference]: Without dead ends: 65156 [2022-03-03 17:00:10,607 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 [2022-03-03 17:00:10,608 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 284 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 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 [2022-03-03 17:00:10,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 1252 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:00:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65156 states. [2022-03-03 17:00:11,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65156 to 52459. [2022-03-03 17:00:11,932 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) [2022-03-03 17:00:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52459 states to 52459 states and 149042 transitions. [2022-03-03 17:00:12,082 INFO L78 Accepts]: Start accepts. Automaton has 52459 states and 149042 transitions. Word has length 209 [2022-03-03 17:00:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:12,082 INFO L470 AbstractCegarLoop]: Abstraction has 52459 states and 149042 transitions. [2022-03-03 17:00:12,082 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) [2022-03-03 17:00:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 52459 states and 149042 transitions. [2022-03-03 17:00:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-03 17:00:12,189 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:12,189 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] [2022-03-03 17:00:12,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 17:00:12,189 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:12,190 INFO L85 PathProgramCache]: Analyzing trace with hash 713258339, now seen corresponding path program 1 times [2022-03-03 17:00:12,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:12,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389605849] [2022-03-03 17:00:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:12,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:12,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:12,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389605849] [2022-03-03 17:00:12,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389605849] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:12,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:12,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 17:00:12,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861444042] [2022-03-03 17:00:12,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:12,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 17:00:12,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 17:00:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:00:12,267 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) [2022-03-03 17:00:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:12,831 INFO L93 Difference]: Finished difference Result 60035 states and 170619 transitions. [2022-03-03 17:00:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 17:00:12,831 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 [2022-03-03 17:00:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:12,980 INFO L225 Difference]: With dead ends: 60035 [2022-03-03 17:00:12,981 INFO L226 Difference]: Without dead ends: 59787 [2022-03-03 17:00:12,981 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 [2022-03-03 17:00:12,981 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 [2022-03-03 17:00:12,982 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] [2022-03-03 17:00:13,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59787 states. [2022-03-03 17:00:14,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59787 to 52211. [2022-03-03 17:00:14,086 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) [2022-03-03 17:00:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52211 states to 52211 states and 147980 transitions. [2022-03-03 17:00:14,434 INFO L78 Accepts]: Start accepts. Automaton has 52211 states and 147980 transitions. Word has length 211 [2022-03-03 17:00:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:14,434 INFO L470 AbstractCegarLoop]: Abstraction has 52211 states and 147980 transitions. [2022-03-03 17:00:14,434 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) [2022-03-03 17:00:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 52211 states and 147980 transitions. [2022-03-03 17:00:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-03 17:00:14,538 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:14,538 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] [2022-03-03 17:00:14,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 17:00:14,539 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:14,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:14,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1324597160, now seen corresponding path program 1 times [2022-03-03 17:00:14,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:14,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209445032] [2022-03-03 17:00:14,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:14,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:14,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:14,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209445032] [2022-03-03 17:00:14,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209445032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:14,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:14,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 17:00:14,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965460495] [2022-03-03 17:00:14,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:14,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 17:00:14,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:14,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 17:00:14,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:00:14,596 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) [2022-03-03 17:00:15,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:15,024 INFO L93 Difference]: Finished difference Result 63336 states and 178591 transitions. [2022-03-03 17:00:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 17:00:15,024 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 [2022-03-03 17:00:15,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:15,190 INFO L225 Difference]: With dead ends: 63336 [2022-03-03 17:00:15,191 INFO L226 Difference]: Without dead ends: 62856 [2022-03-03 17:00:15,191 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 [2022-03-03 17:00:15,191 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 [2022-03-03 17:00:15,192 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] [2022-03-03 17:00:15,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62856 states. [2022-03-03 17:00:16,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62856 to 51731. [2022-03-03 17:00:16,499 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) [2022-03-03 17:00:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51731 states to 51731 states and 146262 transitions. [2022-03-03 17:00:16,648 INFO L78 Accepts]: Start accepts. Automaton has 51731 states and 146262 transitions. Word has length 211 [2022-03-03 17:00:16,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:16,648 INFO L470 AbstractCegarLoop]: Abstraction has 51731 states and 146262 transitions. [2022-03-03 17:00:16,649 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) [2022-03-03 17:00:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 51731 states and 146262 transitions. [2022-03-03 17:00:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:16,758 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:16,758 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] [2022-03-03 17:00:16,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 17:00:16,759 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:16,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:16,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1869389102, now seen corresponding path program 1 times [2022-03-03 17:00:16,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:16,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626534919] [2022-03-03 17:00:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:16,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:16,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:16,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626534919] [2022-03-03 17:00:16,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626534919] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:16,816 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:16,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:00:16,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272038048] [2022-03-03 17:00:16,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:16,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:00:16,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:16,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:00:16,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:00:16,817 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) [2022-03-03 17:00:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:17,706 INFO L93 Difference]: Finished difference Result 68105 states and 191781 transitions. [2022-03-03 17:00:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 17:00:17,706 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 [2022-03-03 17:00:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:17,883 INFO L225 Difference]: With dead ends: 68105 [2022-03-03 17:00:17,883 INFO L226 Difference]: Without dead ends: 68105 [2022-03-03 17:00:17,884 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 [2022-03-03 17:00:17,885 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 826 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:17,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [826 Valid, 3101 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:00:18,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68105 states. [2022-03-03 17:00:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68105 to 55091. [2022-03-03 17:00:19,232 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) [2022-03-03 17:00:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55091 states to 55091 states and 155607 transitions. [2022-03-03 17:00:19,378 INFO L78 Accepts]: Start accepts. Automaton has 55091 states and 155607 transitions. Word has length 219 [2022-03-03 17:00:19,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:19,378 INFO L470 AbstractCegarLoop]: Abstraction has 55091 states and 155607 transitions. [2022-03-03 17:00:19,379 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) [2022-03-03 17:00:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 55091 states and 155607 transitions. [2022-03-03 17:00:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:19,483 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:19,484 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] [2022-03-03 17:00:19,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 17:00:19,484 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:19,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930734, now seen corresponding path program 1 times [2022-03-03 17:00:19,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:19,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530750713] [2022-03-03 17:00:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:19,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:19,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530750713] [2022-03-03 17:00:19,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530750713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:19,539 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:19,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:00:19,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403988023] [2022-03-03 17:00:19,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:19,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:00:19,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:19,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:00:19,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:00:19,541 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) [2022-03-03 17:00:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:20,351 INFO L93 Difference]: Finished difference Result 94832 states and 268230 transitions. [2022-03-03 17:00:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 17:00:20,352 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 [2022-03-03 17:00:20,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:20,609 INFO L225 Difference]: With dead ends: 94832 [2022-03-03 17:00:20,610 INFO L226 Difference]: Without dead ends: 94832 [2022-03-03 17:00:20,610 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 [2022-03-03 17:00:20,610 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 [2022-03-03 17:00:20,610 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] [2022-03-03 17:00:20,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94832 states. [2022-03-03 17:00:22,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94832 to 81367. [2022-03-03 17:00:22,679 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) [2022-03-03 17:00:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81367 states to 81367 states and 230824 transitions. [2022-03-03 17:00:22,917 INFO L78 Accepts]: Start accepts. Automaton has 81367 states and 230824 transitions. Word has length 219 [2022-03-03 17:00:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:22,918 INFO L470 AbstractCegarLoop]: Abstraction has 81367 states and 230824 transitions. [2022-03-03 17:00:22,918 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) [2022-03-03 17:00:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 81367 states and 230824 transitions. [2022-03-03 17:00:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:23,075 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:23,076 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] [2022-03-03 17:00:23,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 17:00:23,076 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash -351842088, now seen corresponding path program 1 times [2022-03-03 17:00:23,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:23,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492013075] [2022-03-03 17:00:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:23,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:23,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:23,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492013075] [2022-03-03 17:00:23,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492013075] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:23,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:23,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 17:00:23,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963654824] [2022-03-03 17:00:23,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:23,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 17:00:23,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:23,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 17:00:23,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 17:00:23,119 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) [2022-03-03 17:00:24,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:24,058 INFO L93 Difference]: Finished difference Result 124350 states and 350754 transitions. [2022-03-03 17:00:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 17:00:24,059 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 [2022-03-03 17:00:24,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:24,398 INFO L225 Difference]: With dead ends: 124350 [2022-03-03 17:00:24,398 INFO L226 Difference]: Without dead ends: 124350 [2022-03-03 17:00:24,399 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 [2022-03-03 17:00:24,400 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 [2022-03-03 17:00:24,400 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] [2022-03-03 17:00:24,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124350 states. [2022-03-03 17:00:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124350 to 82807. [2022-03-03 17:00:26,631 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) [2022-03-03 17:00:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82807 states to 82807 states and 234829 transitions. [2022-03-03 17:00:26,854 INFO L78 Accepts]: Start accepts. Automaton has 82807 states and 234829 transitions. Word has length 219 [2022-03-03 17:00:26,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:26,854 INFO L470 AbstractCegarLoop]: Abstraction has 82807 states and 234829 transitions. [2022-03-03 17:00:26,855 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) [2022-03-03 17:00:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 82807 states and 234829 transitions. [2022-03-03 17:00:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:27,372 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:27,372 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] [2022-03-03 17:00:27,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 17:00:27,372 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:27,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1165252210, now seen corresponding path program 1 times [2022-03-03 17:00:27,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:27,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461835787] [2022-03-03 17:00:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:27,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:27,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461835787] [2022-03-03 17:00:27,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461835787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:27,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:27,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 17:00:27,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856747503] [2022-03-03 17:00:27,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:27,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 17:00:27,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:27,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 17:00:27,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 17:00:27,417 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) [2022-03-03 17:00:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:28,167 INFO L93 Difference]: Finished difference Result 112830 states and 316794 transitions. [2022-03-03 17:00:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 17:00:28,168 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 [2022-03-03 17:00:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:28,475 INFO L225 Difference]: With dead ends: 112830 [2022-03-03 17:00:28,475 INFO L226 Difference]: Without dead ends: 112830 [2022-03-03 17:00:28,475 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 [2022-03-03 17:00:28,476 INFO L933 BasicCegarLoop]: 474 mSDtfsCounter, 199 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:28,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 756 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:00:28,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112830 states. [2022-03-03 17:00:30,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112830 to 78967. [2022-03-03 17:00:30,567 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) [2022-03-03 17:00:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78967 states to 78967 states and 223189 transitions. [2022-03-03 17:00:30,795 INFO L78 Accepts]: Start accepts. Automaton has 78967 states and 223189 transitions. Word has length 219 [2022-03-03 17:00:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:30,796 INFO L470 AbstractCegarLoop]: Abstraction has 78967 states and 223189 transitions. [2022-03-03 17:00:30,796 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) [2022-03-03 17:00:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 78967 states and 223189 transitions. [2022-03-03 17:00:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:30,947 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:30,947 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] [2022-03-03 17:00:30,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-03 17:00:30,947 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:30,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:30,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1417626440, now seen corresponding path program 1 times [2022-03-03 17:00:30,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:30,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514814565] [2022-03-03 17:00:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:30,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:31,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:31,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514814565] [2022-03-03 17:00:31,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514814565] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:31,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:31,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:00:31,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855808585] [2022-03-03 17:00:31,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:31,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:00:31,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:00:31,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:00:31,017 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) [2022-03-03 17:00:31,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:31,916 INFO L93 Difference]: Finished difference Result 95828 states and 269790 transitions. [2022-03-03 17:00:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 17:00:31,916 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 [2022-03-03 17:00:31,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:32,138 INFO L225 Difference]: With dead ends: 95828 [2022-03-03 17:00:32,138 INFO L226 Difference]: Without dead ends: 95828 [2022-03-03 17:00:32,138 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 [2022-03-03 17:00:32,139 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 [2022-03-03 17:00:32,139 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] [2022-03-03 17:00:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95828 states. [2022-03-03 17:00:34,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95828 to 88121. [2022-03-03 17:00:34,286 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) [2022-03-03 17:00:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88121 states to 88121 states and 249117 transitions. [2022-03-03 17:00:34,560 INFO L78 Accepts]: Start accepts. Automaton has 88121 states and 249117 transitions. Word has length 219 [2022-03-03 17:00:34,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:34,561 INFO L470 AbstractCegarLoop]: Abstraction has 88121 states and 249117 transitions. [2022-03-03 17:00:34,561 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) [2022-03-03 17:00:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 88121 states and 249117 transitions. [2022-03-03 17:00:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:34,731 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:34,731 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] [2022-03-03 17:00:34,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-03 17:00:34,731 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:34,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:34,732 INFO L85 PathProgramCache]: Analyzing trace with hash 49503480, now seen corresponding path program 1 times [2022-03-03 17:00:34,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:34,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911321590] [2022-03-03 17:00:34,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:34,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-03-03 17:00:34,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:34,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911321590] [2022-03-03 17:00:34,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911321590] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:34,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:34,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 17:00:34,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742447525] [2022-03-03 17:00:34,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:34,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 17:00:34,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:34,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 17:00:34,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:00:34,799 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) [2022-03-03 17:00:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:35,801 INFO L93 Difference]: Finished difference Result 117892 states and 333478 transitions. [2022-03-03 17:00:35,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:00:35,802 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 [2022-03-03 17:00:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:36,132 INFO L225 Difference]: With dead ends: 117892 [2022-03-03 17:00:36,133 INFO L226 Difference]: Without dead ends: 117424 [2022-03-03 17:00:36,133 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 [2022-03-03 17:00:36,133 INFO L933 BasicCegarLoop]: 827 mSDtfsCounter, 588 mSDsluCounter, 3320 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:36,133 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] [2022-03-03 17:00:36,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117424 states. [2022-03-03 17:00:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117424 to 103643. [2022-03-03 17:00:38,516 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) [2022-03-03 17:00:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103643 states to 103643 states and 294337 transitions. [2022-03-03 17:00:39,134 INFO L78 Accepts]: Start accepts. Automaton has 103643 states and 294337 transitions. Word has length 219 [2022-03-03 17:00:39,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:39,135 INFO L470 AbstractCegarLoop]: Abstraction has 103643 states and 294337 transitions. [2022-03-03 17:00:39,135 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) [2022-03-03 17:00:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 103643 states and 294337 transitions. [2022-03-03 17:00:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:39,349 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:39,349 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] [2022-03-03 17:00:39,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-03 17:00:39,355 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1433822421, now seen corresponding path program 1 times [2022-03-03 17:00:39,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:39,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31805263] [2022-03-03 17:00:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:39,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:39,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:39,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31805263] [2022-03-03 17:00:39,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31805263] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:39,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:39,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:00:39,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276584303] [2022-03-03 17:00:39,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:39,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:00:39,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:39,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:00:39,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:00:39,413 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) [2022-03-03 17:00:40,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:40,614 INFO L93 Difference]: Finished difference Result 123784 states and 348990 transitions. [2022-03-03 17:00:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 17:00:40,614 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 [2022-03-03 17:00:40,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:40,979 INFO L225 Difference]: With dead ends: 123784 [2022-03-03 17:00:40,979 INFO L226 Difference]: Without dead ends: 123784 [2022-03-03 17:00:40,979 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 [2022-03-03 17:00:40,980 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:40,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [806 Valid, 3101 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:00:41,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123784 states. [2022-03-03 17:00:43,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123784 to 110286. [2022-03-03 17:00:43,912 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) [2022-03-03 17:00:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110286 states to 110286 states and 312978 transitions. [2022-03-03 17:00:44,251 INFO L78 Accepts]: Start accepts. Automaton has 110286 states and 312978 transitions. Word has length 219 [2022-03-03 17:00:44,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:44,251 INFO L470 AbstractCegarLoop]: Abstraction has 110286 states and 312978 transitions. [2022-03-03 17:00:44,251 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) [2022-03-03 17:00:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 110286 states and 312978 transitions. [2022-03-03 17:00:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:44,894 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:44,895 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:00:44,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-03 17:00:44,895 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:44,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:44,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1765692267, now seen corresponding path program 1 times [2022-03-03 17:00:44,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:44,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113749101] [2022-03-03 17:00:44,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:44,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:44,964 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:44,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113749101] [2022-03-03 17:00:44,964 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113749101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:44,964 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:44,964 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:00:44,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298398486] [2022-03-03 17:00:44,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:44,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:00:44,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:44,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:00:44,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:00:44,965 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) [2022-03-03 17:00:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:46,246 INFO L93 Difference]: Finished difference Result 188136 states and 536125 transitions. [2022-03-03 17:00:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 17:00:46,247 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 [2022-03-03 17:00:46,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:46,835 INFO L225 Difference]: With dead ends: 188136 [2022-03-03 17:00:46,835 INFO L226 Difference]: Without dead ends: 188136 [2022-03-03 17:00:46,835 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 [2022-03-03 17:00:46,835 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 552 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:00:46,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 3155 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:00:47,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188136 states. [2022-03-03 17:00:50,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188136 to 161546. [2022-03-03 17:00:50,674 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) [2022-03-03 17:00:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161546 states to 161546 states and 461544 transitions. [2022-03-03 17:00:51,715 INFO L78 Accepts]: Start accepts. Automaton has 161546 states and 461544 transitions. Word has length 219 [2022-03-03 17:00:51,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:00:51,715 INFO L470 AbstractCegarLoop]: Abstraction has 161546 states and 461544 transitions. [2022-03-03 17:00:51,716 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) [2022-03-03 17:00:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 161546 states and 461544 transitions. [2022-03-03 17:00:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:00:52,100 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:00:52,100 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] [2022-03-03 17:00:52,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-03 17:00:52,100 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:00:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:00:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1899323211, now seen corresponding path program 1 times [2022-03-03 17:00:52,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:00:52,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143061737] [2022-03-03 17:00:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:00:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:00:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:00:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:00:52,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:00:52,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143061737] [2022-03-03 17:00:52,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143061737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:00:52,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:00:52,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 17:00:52,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791011657] [2022-03-03 17:00:52,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:00:52,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 17:00:52,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:00:52,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 17:00:52,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 17:00:52,142 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) [2022-03-03 17:00:54,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:00:54,062 INFO L93 Difference]: Finished difference Result 245106 states and 697846 transitions. [2022-03-03 17:00:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 17:00:54,062 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 [2022-03-03 17:00:54,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:00:54,889 INFO L225 Difference]: With dead ends: 245106 [2022-03-03 17:00:54,889 INFO L226 Difference]: Without dead ends: 245106 [2022-03-03 17:00:54,889 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 [2022-03-03 17:00:54,890 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 [2022-03-03 17:00:54,890 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] [2022-03-03 17:00:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245106 states. [2022-03-03 17:00:59,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245106 to 164393. [2022-03-03 17:00:59,601 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) [2022-03-03 17:01:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164393 states to 164393 states and 469533 transitions. [2022-03-03 17:01:00,121 INFO L78 Accepts]: Start accepts. Automaton has 164393 states and 469533 transitions. Word has length 219 [2022-03-03 17:01:00,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:00,121 INFO L470 AbstractCegarLoop]: Abstraction has 164393 states and 469533 transitions. [2022-03-03 17:01:00,121 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) [2022-03-03 17:01:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 164393 states and 469533 transitions. [2022-03-03 17:01:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:01:01,047 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:01,047 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] [2022-03-03 17:01:01,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-03 17:01:01,048 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:01,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1372911733, now seen corresponding path program 1 times [2022-03-03 17:01:01,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:01,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29942741] [2022-03-03 17:01:01,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:01,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:01:01,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:01,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29942741] [2022-03-03 17:01:01,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29942741] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:01,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:01,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 17:01:01,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138436920] [2022-03-03 17:01:01,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:01,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 17:01:01,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:01,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 17:01:01,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 17:01:01,125 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) [2022-03-03 17:01:02,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:02,760 INFO L93 Difference]: Finished difference Result 222330 states and 630138 transitions. [2022-03-03 17:01:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 17:01:02,760 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 [2022-03-03 17:01:02,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:03,758 INFO L225 Difference]: With dead ends: 222330 [2022-03-03 17:01:03,758 INFO L226 Difference]: Without dead ends: 222330 [2022-03-03 17:01:03,767 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 [2022-03-03 17:01:03,768 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:03,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 755 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:01:04,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222330 states. [2022-03-03 17:01:07,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222330 to 156801. [2022-03-03 17:01:07,566 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) [2022-03-03 17:01:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156801 states to 156801 states and 446331 transitions. [2022-03-03 17:01:08,458 INFO L78 Accepts]: Start accepts. Automaton has 156801 states and 446331 transitions. Word has length 219 [2022-03-03 17:01:08,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:08,459 INFO L470 AbstractCegarLoop]: Abstraction has 156801 states and 446331 transitions. [2022-03-03 17:01:08,459 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) [2022-03-03 17:01:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 156801 states and 446331 transitions. [2022-03-03 17:01:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:01:08,768 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:08,768 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] [2022-03-03 17:01:08,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-03 17:01:08,769 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:08,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:08,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1239280789, now seen corresponding path program 1 times [2022-03-03 17:01:08,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:08,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705642480] [2022-03-03 17:01:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:08,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:01:08,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:08,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705642480] [2022-03-03 17:01:08,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705642480] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:08,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:08,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:01:08,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045667806] [2022-03-03 17:01:08,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:08,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:01:08,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:01:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:01:08,825 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) [2022-03-03 17:01:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:10,730 INFO L93 Difference]: Finished difference Result 204043 states and 579554 transitions. [2022-03-03 17:01:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 17:01:10,731 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 [2022-03-03 17:01:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:11,393 INFO L225 Difference]: With dead ends: 204043 [2022-03-03 17:01:11,393 INFO L226 Difference]: Without dead ends: 204043 [2022-03-03 17:01:11,394 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 [2022-03-03 17:01:11,399 INFO L933 BasicCegarLoop]: 635 mSDtfsCounter, 753 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:11,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 3925 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 17:01:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204043 states. [2022-03-03 17:01:15,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204043 to 177834. [2022-03-03 17:01:15,872 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) [2022-03-03 17:01:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177834 states to 177834 states and 507022 transitions. [2022-03-03 17:01:16,451 INFO L78 Accepts]: Start accepts. Automaton has 177834 states and 507022 transitions. Word has length 219 [2022-03-03 17:01:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:16,451 INFO L470 AbstractCegarLoop]: Abstraction has 177834 states and 507022 transitions. [2022-03-03 17:01:16,452 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) [2022-03-03 17:01:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 177834 states and 507022 transitions. [2022-03-03 17:01:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:01:17,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:17,235 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] [2022-03-03 17:01:17,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-03 17:01:17,235 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:17,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1960233899, now seen corresponding path program 1 times [2022-03-03 17:01:17,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:17,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223785765] [2022-03-03 17:01:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-03-03 17:01:17,287 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:17,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223785765] [2022-03-03 17:01:17,287 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223785765] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:17,287 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:17,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 17:01:17,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120145844] [2022-03-03 17:01:17,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:17,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 17:01:17,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:17,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 17:01:17,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:01:17,289 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) [2022-03-03 17:01:18,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:18,814 INFO L93 Difference]: Finished difference Result 242468 states and 691849 transitions. [2022-03-03 17:01:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:01:18,814 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 [2022-03-03 17:01:18,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:19,911 INFO L225 Difference]: With dead ends: 242468 [2022-03-03 17:01:19,911 INFO L226 Difference]: Without dead ends: 242020 [2022-03-03 17:01:19,912 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 [2022-03-03 17:01:19,912 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 [2022-03-03 17:01:19,913 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] [2022-03-03 17:01:20,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242020 states. [2022-03-03 17:01:24,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242020 to 211881. [2022-03-03 17:01:25,113 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) [2022-03-03 17:01:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211881 states to 211881 states and 606874 transitions. [2022-03-03 17:01:26,312 INFO L78 Accepts]: Start accepts. Automaton has 211881 states and 606874 transitions. Word has length 219 [2022-03-03 17:01:26,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:26,312 INFO L470 AbstractCegarLoop]: Abstraction has 211881 states and 606874 transitions. [2022-03-03 17:01:26,313 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) [2022-03-03 17:01:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 211881 states and 606874 transitions. [2022-03-03 17:01:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:01:27,168 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:27,168 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] [2022-03-03 17:01:27,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-03 17:01:27,168 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:27,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:27,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1128697409, now seen corresponding path program 2 times [2022-03-03 17:01:27,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:27,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183670824] [2022-03-03 17:01:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:01:27,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:27,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183670824] [2022-03-03 17:01:27,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183670824] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:27,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:27,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:01:27,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890466205] [2022-03-03 17:01:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:27,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:01:27,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:01:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:01:27,254 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) [2022-03-03 17:01:29,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:29,047 INFO L93 Difference]: Finished difference Result 243909 states and 695619 transitions. [2022-03-03 17:01:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 17:01:29,048 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 [2022-03-03 17:01:29,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:30,194 INFO L225 Difference]: With dead ends: 243909 [2022-03-03 17:01:30,194 INFO L226 Difference]: Without dead ends: 243909 [2022-03-03 17:01:30,194 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 [2022-03-03 17:01:30,195 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:30,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 4577 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:01:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243909 states. [2022-03-03 17:01:35,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243909 to 212569. [2022-03-03 17:01:35,682 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) [2022-03-03 17:01:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212569 states to 212569 states and 608882 transitions. [2022-03-03 17:01:36,922 INFO L78 Accepts]: Start accepts. Automaton has 212569 states and 608882 transitions. Word has length 219 [2022-03-03 17:01:36,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:36,922 INFO L470 AbstractCegarLoop]: Abstraction has 212569 states and 608882 transitions. [2022-03-03 17:01:36,922 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) [2022-03-03 17:01:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 212569 states and 608882 transitions. [2022-03-03 17:01:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:01:37,428 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:37,428 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] [2022-03-03 17:01:37,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-03 17:01:37,428 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:37,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:37,429 INFO L85 PathProgramCache]: Analyzing trace with hash 992800157, now seen corresponding path program 3 times [2022-03-03 17:01:37,429 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:37,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002390018] [2022-03-03 17:01:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:01:37,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:37,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002390018] [2022-03-03 17:01:37,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002390018] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:37,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:37,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:01:37,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910968350] [2022-03-03 17:01:37,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:37,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:01:37,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:37,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:01:37,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:01:37,493 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) [2022-03-03 17:01:39,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:39,625 INFO L93 Difference]: Finished difference Result 247416 states and 705820 transitions. [2022-03-03 17:01:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-03 17:01:39,626 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 [2022-03-03 17:01:39,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:40,801 INFO L225 Difference]: With dead ends: 247416 [2022-03-03 17:01:40,801 INFO L226 Difference]: Without dead ends: 247416 [2022-03-03 17:01:40,802 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 [2022-03-03 17:01:40,812 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 [2022-03-03 17:01:40,813 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] [2022-03-03 17:01:41,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247416 states. [2022-03-03 17:01:45,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247416 to 213089. [2022-03-03 17:01:45,988 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) [2022-03-03 17:01:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213089 states to 213089 states and 610439 transitions. [2022-03-03 17:01:47,193 INFO L78 Accepts]: Start accepts. Automaton has 213089 states and 610439 transitions. Word has length 219 [2022-03-03 17:01:47,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:47,193 INFO L470 AbstractCegarLoop]: Abstraction has 213089 states and 610439 transitions. [2022-03-03 17:01:47,193 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) [2022-03-03 17:01:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 213089 states and 610439 transitions. [2022-03-03 17:01:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-03-03 17:01:47,689 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:47,689 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] [2022-03-03 17:01:47,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-03 17:01:47,689 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1359510501, now seen corresponding path program 1 times [2022-03-03 17:01:47,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:47,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869985455] [2022-03-03 17:01:47,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:47,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:01:47,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:47,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869985455] [2022-03-03 17:01:47,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869985455] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:47,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:47,728 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 17:01:47,728 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500315147] [2022-03-03 17:01:47,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:47,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 17:01:47,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:47,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 17:01:47,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-03 17:01:47,729 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) [2022-03-03 17:01:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:49,534 INFO L93 Difference]: Finished difference Result 247476 states and 706893 transitions. [2022-03-03 17:01:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 17:01:49,534 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 [2022-03-03 17:01:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:50,335 INFO L225 Difference]: With dead ends: 247476 [2022-03-03 17:01:50,336 INFO L226 Difference]: Without dead ends: 247476 [2022-03-03 17:01:50,336 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 [2022-03-03 17:01:50,336 INFO L933 BasicCegarLoop]: 618 mSDtfsCounter, 483 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:01:50,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 2117 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:01:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247476 states. [2022-03-03 17:01:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247476 to 210927. [2022-03-03 17:01:55,296 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) [2022-03-03 17:01:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210927 states to 210927 states and 603406 transitions. [2022-03-03 17:01:56,499 INFO L78 Accepts]: Start accepts. Automaton has 210927 states and 603406 transitions. Word has length 219 [2022-03-03 17:01:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:01:56,500 INFO L470 AbstractCegarLoop]: Abstraction has 210927 states and 603406 transitions. [2022-03-03 17:01:56,500 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) [2022-03-03 17:01:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 210927 states and 603406 transitions. [2022-03-03 17:01:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:01:57,310 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:01:57,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:01:57,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-03 17:01:57,311 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:01:57,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:01:57,311 INFO L85 PathProgramCache]: Analyzing trace with hash -316070390, now seen corresponding path program 1 times [2022-03-03 17:01:57,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:01:57,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828808778] [2022-03-03 17:01:57,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:01:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:01:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:01:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:01:57,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:01:57,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828808778] [2022-03-03 17:01:57,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828808778] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:01:57,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:01:57,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:01:57,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277399245] [2022-03-03 17:01:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:01:57,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:01:57,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:01:57,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:01:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:01:57,384 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) [2022-03-03 17:01:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:01:58,422 INFO L93 Difference]: Finished difference Result 120214 states and 339290 transitions. [2022-03-03 17:01:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 17:01:58,422 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 [2022-03-03 17:01:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:01:58,811 INFO L225 Difference]: With dead ends: 120214 [2022-03-03 17:01:58,812 INFO L226 Difference]: Without dead ends: 114214 [2022-03-03 17:01:58,812 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 [2022-03-03 17:01:58,812 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 [2022-03-03 17:01:58,813 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] [2022-03-03 17:01:59,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114214 states. [2022-03-03 17:02:01,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114214 to 109965. [2022-03-03 17:02:01,346 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) [2022-03-03 17:02:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109965 states to 109965 states and 311568 transitions. [2022-03-03 17:02:01,989 INFO L78 Accepts]: Start accepts. Automaton has 109965 states and 311568 transitions. Word has length 221 [2022-03-03 17:02:01,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:01,989 INFO L470 AbstractCegarLoop]: Abstraction has 109965 states and 311568 transitions. [2022-03-03 17:02:01,989 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) [2022-03-03 17:02:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 109965 states and 311568 transitions. [2022-03-03 17:02:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:02,221 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:02,221 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] [2022-03-03 17:02:02,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-03 17:02:02,221 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:02,222 INFO L85 PathProgramCache]: Analyzing trace with hash 804265670, now seen corresponding path program 1 times [2022-03-03 17:02:02,222 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:02,222 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110190720] [2022-03-03 17:02:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:02,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:02,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:02,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110190720] [2022-03-03 17:02:02,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110190720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:02,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:02,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:02,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903326979] [2022-03-03 17:02:02,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:02,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:02,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:02,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:02,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:02,331 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) [2022-03-03 17:02:03,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:03,998 INFO L93 Difference]: Finished difference Result 179622 states and 505127 transitions. [2022-03-03 17:02:03,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 17:02:03,999 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 [2022-03-03 17:02:03,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:04,721 INFO L225 Difference]: With dead ends: 179622 [2022-03-03 17:02:04,722 INFO L226 Difference]: Without dead ends: 179397 [2022-03-03 17:02:04,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2022-03-03 17:02:04,722 INFO L933 BasicCegarLoop]: 972 mSDtfsCounter, 726 mSDsluCounter, 5142 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 6065 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:04,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 6065 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 17:02:04,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179397 states. [2022-03-03 17:02:07,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179397 to 110013. [2022-03-03 17:02:07,929 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) [2022-03-03 17:02:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311692 transitions. [2022-03-03 17:02:08,271 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311692 transitions. Word has length 221 [2022-03-03 17:02:08,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:08,271 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311692 transitions. [2022-03-03 17:02:08,272 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) [2022-03-03 17:02:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311692 transitions. [2022-03-03 17:02:08,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:08,495 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:08,495 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] [2022-03-03 17:02:08,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-03 17:02:08,496 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:08,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:08,496 INFO L85 PathProgramCache]: Analyzing trace with hash -713339390, now seen corresponding path program 2 times [2022-03-03 17:02:08,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:08,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108686364] [2022-03-03 17:02:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:08,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:08,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:08,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108686364] [2022-03-03 17:02:08,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108686364] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:08,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:08,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:08,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256537848] [2022-03-03 17:02:08,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:08,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:08,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:08,602 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) [2022-03-03 17:02:10,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:10,433 INFO L93 Difference]: Finished difference Result 164012 states and 463624 transitions. [2022-03-03 17:02:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 17:02:10,447 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 [2022-03-03 17:02:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:10,921 INFO L225 Difference]: With dead ends: 164012 [2022-03-03 17:02:10,921 INFO L226 Difference]: Without dead ends: 163436 [2022-03-03 17:02:10,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:02:10,924 INFO L933 BasicCegarLoop]: 793 mSDtfsCounter, 726 mSDsluCounter, 3817 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 4576 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:10,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 4576 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 17:02:11,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163436 states. [2022-03-03 17:02:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163436 to 109973. [2022-03-03 17:02:13,677 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) [2022-03-03 17:02:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109973 states to 109973 states and 311582 transitions. [2022-03-03 17:02:14,337 INFO L78 Accepts]: Start accepts. Automaton has 109973 states and 311582 transitions. Word has length 221 [2022-03-03 17:02:14,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:14,337 INFO L470 AbstractCegarLoop]: Abstraction has 109973 states and 311582 transitions. [2022-03-03 17:02:14,337 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) [2022-03-03 17:02:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 109973 states and 311582 transitions. [2022-03-03 17:02:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:14,543 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:14,543 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:02:14,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-03 17:02:14,543 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:14,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:14,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1509884272, now seen corresponding path program 3 times [2022-03-03 17:02:14,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:14,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417820680] [2022-03-03 17:02:14,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:14,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:14,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:14,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417820680] [2022-03-03 17:02:14,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417820680] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:14,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:14,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:14,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999070370] [2022-03-03 17:02:14,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:14,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:14,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:14,636 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) [2022-03-03 17:02:15,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:15,679 INFO L93 Difference]: Finished difference Result 116827 states and 329554 transitions. [2022-03-03 17:02:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 17:02:15,680 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 [2022-03-03 17:02:15,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:15,997 INFO L225 Difference]: With dead ends: 116827 [2022-03-03 17:02:15,997 INFO L226 Difference]: Without dead ends: 116579 [2022-03-03 17:02:15,997 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 [2022-03-03 17:02:15,997 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 [2022-03-03 17:02:15,998 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] [2022-03-03 17:02:16,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116579 states. [2022-03-03 17:02:18,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116579 to 110193. [2022-03-03 17:02:18,731 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) [2022-03-03 17:02:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110193 states to 110193 states and 312163 transitions. [2022-03-03 17:02:19,073 INFO L78 Accepts]: Start accepts. Automaton has 110193 states and 312163 transitions. Word has length 221 [2022-03-03 17:02:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:19,073 INFO L470 AbstractCegarLoop]: Abstraction has 110193 states and 312163 transitions. [2022-03-03 17:02:19,073 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) [2022-03-03 17:02:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 110193 states and 312163 transitions. [2022-03-03 17:02:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:19,303 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:19,303 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] [2022-03-03 17:02:19,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-03 17:02:19,304 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:19,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:19,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1567264612, now seen corresponding path program 4 times [2022-03-03 17:02:19,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:19,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72406480] [2022-03-03 17:02:19,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:19,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:19,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72406480] [2022-03-03 17:02:19,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72406480] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:19,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:19,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:19,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275841731] [2022-03-03 17:02:19,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:19,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:19,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:19,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:19,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:19,378 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) [2022-03-03 17:02:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:20,628 INFO L93 Difference]: Finished difference Result 148723 states and 419198 transitions. [2022-03-03 17:02:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 17:02:20,629 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 [2022-03-03 17:02:20,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:21,318 INFO L225 Difference]: With dead ends: 148723 [2022-03-03 17:02:21,318 INFO L226 Difference]: Without dead ends: 148630 [2022-03-03 17:02:21,318 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 [2022-03-03 17:02:21,319 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 448 mSDsluCounter, 4399 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 5095 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:21,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 5095 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 17:02:21,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148630 states. [2022-03-03 17:02:23,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148630 to 110265. [2022-03-03 17:02:23,913 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) [2022-03-03 17:02:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110265 states to 110265 states and 312353 transitions. [2022-03-03 17:02:24,622 INFO L78 Accepts]: Start accepts. Automaton has 110265 states and 312353 transitions. Word has length 221 [2022-03-03 17:02:24,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:24,622 INFO L470 AbstractCegarLoop]: Abstraction has 110265 states and 312353 transitions. [2022-03-03 17:02:24,622 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) [2022-03-03 17:02:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 110265 states and 312353 transitions. [2022-03-03 17:02:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:24,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:24,886 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] [2022-03-03 17:02:24,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-03 17:02:24,887 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:24,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:24,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1217290516, now seen corresponding path program 5 times [2022-03-03 17:02:24,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:24,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542715909] [2022-03-03 17:02:24,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:24,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:24,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542715909] [2022-03-03 17:02:24,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542715909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:24,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:24,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:24,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943696119] [2022-03-03 17:02:24,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:24,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:24,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:24,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:24,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:24,954 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) [2022-03-03 17:02:26,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:26,256 INFO L93 Difference]: Finished difference Result 152088 states and 428381 transitions. [2022-03-03 17:02:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-03 17:02:26,263 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 [2022-03-03 17:02:26,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:26,694 INFO L225 Difference]: With dead ends: 152088 [2022-03-03 17:02:26,694 INFO L226 Difference]: Without dead ends: 152057 [2022-03-03 17:02:26,695 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 [2022-03-03 17:02:26,695 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 789 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:26,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [789 Valid, 4949 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 17:02:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152057 states. [2022-03-03 17:02:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152057 to 110301. [2022-03-03 17:02:29,608 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) [2022-03-03 17:02:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110301 states to 110301 states and 312448 transitions. [2022-03-03 17:02:29,916 INFO L78 Accepts]: Start accepts. Automaton has 110301 states and 312448 transitions. Word has length 221 [2022-03-03 17:02:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:29,916 INFO L470 AbstractCegarLoop]: Abstraction has 110301 states and 312448 transitions. [2022-03-03 17:02:29,916 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) [2022-03-03 17:02:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 110301 states and 312448 transitions. [2022-03-03 17:02:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:30,124 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:30,124 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] [2022-03-03 17:02:30,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-03 17:02:30,124 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1388679536, now seen corresponding path program 6 times [2022-03-03 17:02:30,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:30,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607415351] [2022-03-03 17:02:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:30,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:30,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607415351] [2022-03-03 17:02:30,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607415351] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:30,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:30,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:30,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081675109] [2022-03-03 17:02:30,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:30,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:30,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:30,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:30,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:30,204 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) [2022-03-03 17:02:31,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:31,485 INFO L93 Difference]: Finished difference Result 170389 states and 479293 transitions. [2022-03-03 17:02:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 17:02:31,485 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 [2022-03-03 17:02:31,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:32,173 INFO L225 Difference]: With dead ends: 170389 [2022-03-03 17:02:32,173 INFO L226 Difference]: Without dead ends: 162793 [2022-03-03 17:02:32,174 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 [2022-03-03 17:02:32,174 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 1274 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:32,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1274 Valid, 3947 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:02:32,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162793 states. [2022-03-03 17:02:34,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162793 to 110013. [2022-03-03 17:02:34,929 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) [2022-03-03 17:02:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311652 transitions. [2022-03-03 17:02:35,524 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311652 transitions. Word has length 221 [2022-03-03 17:02:35,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:35,524 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311652 transitions. [2022-03-03 17:02:35,524 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) [2022-03-03 17:02:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311652 transitions. [2022-03-03 17:02:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-03 17:02:35,738 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:35,738 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] [2022-03-03 17:02:35,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-03 17:02:35,738 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:35,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1535433892, now seen corresponding path program 7 times [2022-03-03 17:02:35,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:35,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181676071] [2022-03-03 17:02:35,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:35,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:35,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:35,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181676071] [2022-03-03 17:02:35,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181676071] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:35,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:35,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:02:35,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175003469] [2022-03-03 17:02:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:35,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:02:35,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:35,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:02:35,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:02:35,813 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) [2022-03-03 17:02:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:36,743 INFO L93 Difference]: Finished difference Result 93976 states and 266745 transitions. [2022-03-03 17:02:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 17:02:36,744 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 [2022-03-03 17:02:36,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:36,982 INFO L225 Difference]: With dead ends: 93976 [2022-03-03 17:02:36,982 INFO L226 Difference]: Without dead ends: 91945 [2022-03-03 17:02:36,983 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 [2022-03-03 17:02:36,983 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 312 mSDsluCounter, 3494 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:36,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 4007 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:02:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91945 states. [2022-03-03 17:02:38,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91945 to 88350. [2022-03-03 17:02:38,959 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) [2022-03-03 17:02:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88350 states to 88350 states and 252080 transitions. [2022-03-03 17:02:39,218 INFO L78 Accepts]: Start accepts. Automaton has 88350 states and 252080 transitions. Word has length 221 [2022-03-03 17:02:39,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:39,218 INFO L470 AbstractCegarLoop]: Abstraction has 88350 states and 252080 transitions. [2022-03-03 17:02:39,218 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) [2022-03-03 17:02:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 88350 states and 252080 transitions. [2022-03-03 17:02:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:02:39,383 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:39,383 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] [2022-03-03 17:02:39,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-03 17:02:39,383 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:39,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:39,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1529327296, now seen corresponding path program 1 times [2022-03-03 17:02:39,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:39,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061443373] [2022-03-03 17:02:39,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:39,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:39,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:39,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061443373] [2022-03-03 17:02:39,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061443373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:39,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:39,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:02:39,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134324231] [2022-03-03 17:02:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:39,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:02:39,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:02:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:02:39,527 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) [2022-03-03 17:02:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:41,681 INFO L93 Difference]: Finished difference Result 95814 states and 271412 transitions. [2022-03-03 17:02:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 17:02:41,682 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 [2022-03-03 17:02:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:42,093 INFO L225 Difference]: With dead ends: 95814 [2022-03-03 17:02:42,093 INFO L226 Difference]: Without dead ends: 95814 [2022-03-03 17:02:42,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=739, Invalid=1711, Unknown=0, NotChecked=0, Total=2450 [2022-03-03 17:02:42,094 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1610 mSDsluCounter, 8779 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:42,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1610 Valid, 9396 Invalid, 1482 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 17:02:42,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95814 states. [2022-03-03 17:02:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95814 to 89971. [2022-03-03 17:02:44,118 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) [2022-03-03 17:02:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89971 states to 89971 states and 256410 transitions. [2022-03-03 17:02:44,370 INFO L78 Accepts]: Start accepts. Automaton has 89971 states and 256410 transitions. Word has length 231 [2022-03-03 17:02:44,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:44,370 INFO L470 AbstractCegarLoop]: Abstraction has 89971 states and 256410 transitions. [2022-03-03 17:02:44,370 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) [2022-03-03 17:02:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 89971 states and 256410 transitions. [2022-03-03 17:02:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:02:44,530 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:44,530 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] [2022-03-03 17:02:44,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-03 17:02:44,530 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:44,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:44,531 INFO L85 PathProgramCache]: Analyzing trace with hash 156659742, now seen corresponding path program 2 times [2022-03-03 17:02:44,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:44,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811830701] [2022-03-03 17:02:44,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:44,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:44,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:44,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811830701] [2022-03-03 17:02:44,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811830701] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:44,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:44,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:02:44,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392562811] [2022-03-03 17:02:44,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:44,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:02:44,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:02:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:02:44,685 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) [2022-03-03 17:02:46,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:46,541 INFO L93 Difference]: Finished difference Result 96019 states and 271904 transitions. [2022-03-03 17:02:46,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-03 17:02:46,542 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 [2022-03-03 17:02:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:46,779 INFO L225 Difference]: With dead ends: 96019 [2022-03-03 17:02:46,780 INFO L226 Difference]: Without dead ends: 96019 [2022-03-03 17:02:46,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=447, Invalid=1113, Unknown=0, NotChecked=0, Total=1560 [2022-03-03 17:02:46,781 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 [2022-03-03 17:02:46,781 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] [2022-03-03 17:02:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96019 states. [2022-03-03 17:02:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96019 to 90014. [2022-03-03 17:02:48,732 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) [2022-03-03 17:02:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-03-03 17:02:49,234 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-03-03 17:02:49,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:49,235 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-03-03 17:02:49,235 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) [2022-03-03 17:02:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-03-03 17:02:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:02:49,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:49,402 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] [2022-03-03 17:02:49,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-03 17:02:49,402 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:49,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1871267652, now seen corresponding path program 3 times [2022-03-03 17:02:49,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:49,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477465843] [2022-03-03 17:02:49,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:49,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:49,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:49,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477465843] [2022-03-03 17:02:49,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477465843] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:49,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:49,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:02:49,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630331203] [2022-03-03 17:02:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:49,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:02:49,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:49,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:02:49,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:02:49,547 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) [2022-03-03 17:02:51,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:51,567 INFO L93 Difference]: Finished difference Result 96059 states and 272006 transitions. [2022-03-03 17:02:51,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:02:51,568 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 [2022-03-03 17:02:51,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:51,790 INFO L225 Difference]: With dead ends: 96059 [2022-03-03 17:02:51,790 INFO L226 Difference]: Without dead ends: 96059 [2022-03-03 17:02:51,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=475, Invalid=1247, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:02:51,791 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:51,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1253 Valid, 9456 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 17:02:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96059 states. [2022-03-03 17:02:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96059 to 90014. [2022-03-03 17:02:53,827 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) [2022-03-03 17:02:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-03-03 17:02:54,073 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-03-03 17:02:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:54,074 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-03-03 17:02:54,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:02:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-03-03 17:02:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:02:54,545 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:54,546 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] [2022-03-03 17:02:54,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-03 17:02:54,546 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:54,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1433133558, now seen corresponding path program 4 times [2022-03-03 17:02:54,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:54,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536392776] [2022-03-03 17:02:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:54,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:54,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536392776] [2022-03-03 17:02:54,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536392776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:54,700 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:54,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:02:54,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339017515] [2022-03-03 17:02:54,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:54,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:02:54,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:54,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:02:54,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:02:54,701 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) [2022-03-03 17:02:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:02:56,581 INFO L93 Difference]: Finished difference Result 96159 states and 272261 transitions. [2022-03-03 17:02:56,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-03 17:02:56,582 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 [2022-03-03 17:02:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:02:56,804 INFO L225 Difference]: With dead ends: 96159 [2022-03-03 17:02:56,804 INFO L226 Difference]: Without dead ends: 96159 [2022-03-03 17:02:56,805 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 [2022-03-03 17:02:56,805 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 1287 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 9501 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:02:56,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1287 Valid, 9501 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:02:56,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96159 states. [2022-03-03 17:02:58,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96159 to 90014. [2022-03-03 17:02:58,893 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) [2022-03-03 17:02:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-03-03 17:02:59,153 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-03-03 17:02:59,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:02:59,154 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-03-03 17:02:59,154 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) [2022-03-03 17:02:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-03-03 17:02:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:02:59,645 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:02:59,646 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] [2022-03-03 17:02:59,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-03 17:02:59,646 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:02:59,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:02:59,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1344143632, now seen corresponding path program 5 times [2022-03-03 17:02:59,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:02:59,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138713551] [2022-03-03 17:02:59,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:02:59,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:02:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:02:59,844 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:02:59,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:02:59,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138713551] [2022-03-03 17:02:59,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138713551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:02:59,844 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:02:59,844 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:02:59,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982009884] [2022-03-03 17:02:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:02:59,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:02:59,845 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:02:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:02:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:02:59,845 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) [2022-03-03 17:03:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:01,784 INFO L93 Difference]: Finished difference Result 96313 states and 272559 transitions. [2022-03-03 17:03:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 17:03:01,789 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 [2022-03-03 17:03:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:02,024 INFO L225 Difference]: With dead ends: 96313 [2022-03-03 17:03:02,024 INFO L226 Difference]: Without dead ends: 96313 [2022-03-03 17:03:02,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=678, Invalid=1674, Unknown=0, NotChecked=0, Total=2352 [2022-03-03 17:03:02,025 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 [2022-03-03 17:03:02,026 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] [2022-03-03 17:03:02,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96313 states. [2022-03-03 17:03:04,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96313 to 90014. [2022-03-03 17:03:04,137 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) [2022-03-03 17:03:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-03-03 17:03:04,669 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-03-03 17:03:04,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:04,669 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-03-03 17:03:04,669 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) [2022-03-03 17:03:04,670 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-03-03 17:03:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:04,836 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:04,836 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] [2022-03-03 17:03:04,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-03 17:03:04,836 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:04,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1696127118, now seen corresponding path program 6 times [2022-03-03 17:03:04,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:04,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925080624] [2022-03-03 17:03:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:04,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:04,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925080624] [2022-03-03 17:03:04,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925080624] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:04,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:04,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:04,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772889848] [2022-03-03 17:03:04,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:04,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:04,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:04,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:04,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:04,984 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) [2022-03-03 17:03:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:06,703 INFO L93 Difference]: Finished difference Result 96312 states and 272666 transitions. [2022-03-03 17:03:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-03 17:03:06,703 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 [2022-03-03 17:03:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:06,919 INFO L225 Difference]: With dead ends: 96312 [2022-03-03 17:03:06,920 INFO L226 Difference]: Without dead ends: 96312 [2022-03-03 17:03:06,920 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 [2022-03-03 17:03:06,920 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1262 mSDsluCounter, 8725 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 9335 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:06,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1262 Valid, 9335 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:03:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96312 states. [2022-03-03 17:03:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96312 to 90046. [2022-03-03 17:03:08,951 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) [2022-03-03 17:03:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90046 states to 90046 states and 256610 transitions. [2022-03-03 17:03:09,191 INFO L78 Accepts]: Start accepts. Automaton has 90046 states and 256610 transitions. Word has length 231 [2022-03-03 17:03:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:09,191 INFO L470 AbstractCegarLoop]: Abstraction has 90046 states and 256610 transitions. [2022-03-03 17:03:09,191 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) [2022-03-03 17:03:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 90046 states and 256610 transitions. [2022-03-03 17:03:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:09,675 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:09,675 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] [2022-03-03 17:03:09,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-03 17:03:09,675 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash -331800276, now seen corresponding path program 7 times [2022-03-03 17:03:09,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:09,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743141798] [2022-03-03 17:03:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:09,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:09,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743141798] [2022-03-03 17:03:09,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743141798] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:09,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:09,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:09,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131236941] [2022-03-03 17:03:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:09,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:09,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:09,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:09,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:09,848 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) [2022-03-03 17:03:11,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:11,624 INFO L93 Difference]: Finished difference Result 96356 states and 272779 transitions. [2022-03-03 17:03:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:03:11,625 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 [2022-03-03 17:03:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:11,832 INFO L225 Difference]: With dead ends: 96356 [2022-03-03 17:03:11,832 INFO L226 Difference]: Without dead ends: 96356 [2022-03-03 17:03:11,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=481, Invalid=1241, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:03:11,833 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 [2022-03-03 17:03:11,833 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] [2022-03-03 17:03:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96356 states. [2022-03-03 17:03:13,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96356 to 90042. [2022-03-03 17:03:13,771 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) [2022-03-03 17:03:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90042 states to 90042 states and 256599 transitions. [2022-03-03 17:03:14,004 INFO L78 Accepts]: Start accepts. Automaton has 90042 states and 256599 transitions. Word has length 231 [2022-03-03 17:03:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:14,004 INFO L470 AbstractCegarLoop]: Abstraction has 90042 states and 256599 transitions. [2022-03-03 17:03:14,004 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) [2022-03-03 17:03:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 90042 states and 256599 transitions. [2022-03-03 17:03:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:14,152 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:14,153 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] [2022-03-03 17:03:14,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-03 17:03:14,153 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:14,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1322366362, now seen corresponding path program 8 times [2022-03-03 17:03:14,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:14,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151529691] [2022-03-03 17:03:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:14,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:14,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151529691] [2022-03-03 17:03:14,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151529691] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:14,625 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:14,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:14,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479834870] [2022-03-03 17:03:14,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:14,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:14,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:14,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:14,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:14,626 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) [2022-03-03 17:03:16,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:16,323 INFO L93 Difference]: Finished difference Result 96452 states and 273023 transitions. [2022-03-03 17:03:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-03 17:03:16,324 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 [2022-03-03 17:03:16,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:16,523 INFO L225 Difference]: With dead ends: 96452 [2022-03-03 17:03:16,523 INFO L226 Difference]: Without dead ends: 96452 [2022-03-03 17:03:16,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=590, Invalid=1480, Unknown=0, NotChecked=0, Total=2070 [2022-03-03 17:03:16,524 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1284 mSDsluCounter, 8816 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 9436 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:16,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 9436 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:03:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96452 states. [2022-03-03 17:03:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96452 to 90030. [2022-03-03 17:03:18,384 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) [2022-03-03 17:03:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90030 states to 90030 states and 256566 transitions. [2022-03-03 17:03:18,621 INFO L78 Accepts]: Start accepts. Automaton has 90030 states and 256566 transitions. Word has length 231 [2022-03-03 17:03:18,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:18,622 INFO L470 AbstractCegarLoop]: Abstraction has 90030 states and 256566 transitions. [2022-03-03 17:03:18,622 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) [2022-03-03 17:03:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 90030 states and 256566 transitions. [2022-03-03 17:03:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:18,787 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:18,787 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] [2022-03-03 17:03:18,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-03 17:03:18,788 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1411356288, now seen corresponding path program 9 times [2022-03-03 17:03:18,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:18,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508270758] [2022-03-03 17:03:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:18,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:18,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508270758] [2022-03-03 17:03:18,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508270758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:18,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:18,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:18,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842675527] [2022-03-03 17:03:18,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:18,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:18,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:18,935 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) [2022-03-03 17:03:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:20,805 INFO L93 Difference]: Finished difference Result 96722 states and 273579 transitions. [2022-03-03 17:03:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 17:03:20,806 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 [2022-03-03 17:03:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:21,188 INFO L225 Difference]: With dead ends: 96722 [2022-03-03 17:03:21,188 INFO L226 Difference]: Without dead ends: 96722 [2022-03-03 17:03:21,188 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 [2022-03-03 17:03:21,189 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 [2022-03-03 17:03:21,189 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] [2022-03-03 17:03:21,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96722 states. [2022-03-03 17:03:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96722 to 90026. [2022-03-03 17:03:23,059 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) [2022-03-03 17:03:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90026 states to 90026 states and 256555 transitions. [2022-03-03 17:03:23,305 INFO L78 Accepts]: Start accepts. Automaton has 90026 states and 256555 transitions. Word has length 231 [2022-03-03 17:03:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:23,305 INFO L470 AbstractCegarLoop]: Abstraction has 90026 states and 256555 transitions. [2022-03-03 17:03:23,305 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) [2022-03-03 17:03:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 90026 states and 256555 transitions. [2022-03-03 17:03:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:23,462 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:23,462 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] [2022-03-03 17:03:23,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-03 17:03:23,462 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:23,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2137576442, now seen corresponding path program 10 times [2022-03-03 17:03:23,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:23,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496536779] [2022-03-03 17:03:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:23,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:23,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:23,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496536779] [2022-03-03 17:03:23,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496536779] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:23,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:23,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:23,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903271519] [2022-03-03 17:03:23,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:23,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:23,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:23,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:23,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:23,594 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) [2022-03-03 17:03:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:25,274 INFO L93 Difference]: Finished difference Result 96284 states and 272589 transitions. [2022-03-03 17:03:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:03:25,274 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 [2022-03-03 17:03:25,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:25,486 INFO L225 Difference]: With dead ends: 96284 [2022-03-03 17:03:25,486 INFO L226 Difference]: Without dead ends: 96284 [2022-03-03 17:03:25,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=495, Invalid=1227, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:03:25,487 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1254 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:25,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 9332 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:03:25,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96284 states. [2022-03-03 17:03:27,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96284 to 90078. [2022-03-03 17:03:27,425 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) [2022-03-03 17:03:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90078 states to 90078 states and 256698 transitions. [2022-03-03 17:03:27,920 INFO L78 Accepts]: Start accepts. Automaton has 90078 states and 256698 transitions. Word has length 231 [2022-03-03 17:03:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:27,920 INFO L470 AbstractCegarLoop]: Abstraction has 90078 states and 256698 transitions. [2022-03-03 17:03:27,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:03:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 90078 states and 256698 transitions. [2022-03-03 17:03:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:28,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:28,086 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] [2022-03-03 17:03:28,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-03 17:03:28,086 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:28,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:28,087 INFO L85 PathProgramCache]: Analyzing trace with hash 129463460, now seen corresponding path program 11 times [2022-03-03 17:03:28,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:28,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906468388] [2022-03-03 17:03:28,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:28,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:28,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:28,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906468388] [2022-03-03 17:03:28,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906468388] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:28,221 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:28,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:28,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420637338] [2022-03-03 17:03:28,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:28,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:28,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:28,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:28,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:28,222 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) [2022-03-03 17:03:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:29,875 INFO L93 Difference]: Finished difference Result 96294 states and 272617 transitions. [2022-03-03 17:03:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 17:03:29,875 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 [2022-03-03 17:03:29,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:30,086 INFO L225 Difference]: With dead ends: 96294 [2022-03-03 17:03:30,087 INFO L226 Difference]: Without dead ends: 96294 [2022-03-03 17:03:30,087 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 [2022-03-03 17:03:30,088 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1242 mSDsluCounter, 8737 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 9353 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:30,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 9353 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:03:30,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96294 states. [2022-03-03 17:03:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96294 to 90074. [2022-03-03 17:03:32,017 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) [2022-03-03 17:03:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90074 states to 90074 states and 256687 transitions. [2022-03-03 17:03:32,524 INFO L78 Accepts]: Start accepts. Automaton has 90074 states and 256687 transitions. Word has length 231 [2022-03-03 17:03:32,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:32,524 INFO L470 AbstractCegarLoop]: Abstraction has 90074 states and 256687 transitions. [2022-03-03 17:03:32,524 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) [2022-03-03 17:03:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 90074 states and 256687 transitions. [2022-03-03 17:03:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:32,672 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:32,672 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] [2022-03-03 17:03:32,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-03 17:03:32,673 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:32,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:32,673 INFO L85 PathProgramCache]: Analyzing trace with hash 58556426, now seen corresponding path program 12 times [2022-03-03 17:03:32,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:32,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537299026] [2022-03-03 17:03:32,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:32,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:32,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537299026] [2022-03-03 17:03:32,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537299026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:32,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:32,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:32,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041038542] [2022-03-03 17:03:32,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:32,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:32,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:32,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:32,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:32,815 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) [2022-03-03 17:03:34,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:34,534 INFO L93 Difference]: Finished difference Result 96245 states and 272488 transitions. [2022-03-03 17:03:34,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-03 17:03:34,534 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 [2022-03-03 17:03:34,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:34,730 INFO L225 Difference]: With dead ends: 96245 [2022-03-03 17:03:34,730 INFO L226 Difference]: Without dead ends: 96245 [2022-03-03 17:03:34,731 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 [2022-03-03 17:03:34,731 INFO L933 BasicCegarLoop]: 726 mSDtfsCounter, 1280 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:34,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1280 Valid, 9323 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-03 17:03:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96245 states. [2022-03-03 17:03:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96245 to 90143. [2022-03-03 17:03:36,627 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) [2022-03-03 17:03:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-03-03 17:03:37,121 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-03-03 17:03:37,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:37,121 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-03-03 17:03:37,121 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) [2022-03-03 17:03:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-03-03 17:03:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:37,435 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:37,436 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:03:37,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-03 17:03:37,436 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:37,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2004752962, now seen corresponding path program 13 times [2022-03-03 17:03:37,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:37,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422407983] [2022-03-03 17:03:37,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:37,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:37,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:37,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422407983] [2022-03-03 17:03:37,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422407983] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:37,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:37,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:37,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710883957] [2022-03-03 17:03:37,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:37,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:37,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:37,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:37,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:37,656 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) [2022-03-03 17:03:39,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:39,332 INFO L93 Difference]: Finished difference Result 96246 states and 272497 transitions. [2022-03-03 17:03:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 17:03:39,332 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 [2022-03-03 17:03:39,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:39,529 INFO L225 Difference]: With dead ends: 96246 [2022-03-03 17:03:39,529 INFO L226 Difference]: Without dead ends: 96246 [2022-03-03 17:03:39,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=471, Invalid=1169, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 17:03:39,530 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 [2022-03-03 17:03:39,530 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] [2022-03-03 17:03:39,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96246 states. [2022-03-03 17:03:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96246 to 90159. [2022-03-03 17:03:41,461 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) [2022-03-03 17:03:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-03-03 17:03:41,693 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-03-03 17:03:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:41,693 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-03-03 17:03:41,693 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) [2022-03-03 17:03:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-03-03 17:03:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:41,849 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:41,849 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] [2022-03-03 17:03:41,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-03 17:03:41,849 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:41,850 INFO L85 PathProgramCache]: Analyzing trace with hash 262286940, now seen corresponding path program 14 times [2022-03-03 17:03:41,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:41,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721586924] [2022-03-03 17:03:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:41,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:42,341 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:42,342 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:42,342 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721586924] [2022-03-03 17:03:42,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721586924] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:42,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:42,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:42,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197486387] [2022-03-03 17:03:42,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:42,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:42,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:42,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:42,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:42,343 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) [2022-03-03 17:03:43,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:43,803 INFO L93 Difference]: Finished difference Result 96267 states and 272553 transitions. [2022-03-03 17:03:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:03:43,804 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 [2022-03-03 17:03:43,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:44,222 INFO L225 Difference]: With dead ends: 96267 [2022-03-03 17:03:44,222 INFO L226 Difference]: Without dead ends: 96267 [2022-03-03 17:03:44,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=486, Invalid=1236, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:03:44,223 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 [2022-03-03 17:03:44,223 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] [2022-03-03 17:03:44,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96267 states. [2022-03-03 17:03:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96267 to 90155. [2022-03-03 17:03:46,094 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) [2022-03-03 17:03:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90155 states to 90155 states and 256891 transitions. [2022-03-03 17:03:46,358 INFO L78 Accepts]: Start accepts. Automaton has 90155 states and 256891 transitions. Word has length 231 [2022-03-03 17:03:46,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:46,358 INFO L470 AbstractCegarLoop]: Abstraction has 90155 states and 256891 transitions. [2022-03-03 17:03:46,358 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) [2022-03-03 17:03:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 90155 states and 256891 transitions. [2022-03-03 17:03:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:46,520 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:46,520 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] [2022-03-03 17:03:46,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-03 17:03:46,520 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:46,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:46,521 INFO L85 PathProgramCache]: Analyzing trace with hash -728279146, now seen corresponding path program 15 times [2022-03-03 17:03:46,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:46,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839526279] [2022-03-03 17:03:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:46,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:46,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:46,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839526279] [2022-03-03 17:03:46,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839526279] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:46,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:46,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:46,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760452498] [2022-03-03 17:03:46,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:46,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:46,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:46,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:46,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:46,651 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) [2022-03-03 17:03:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:48,418 INFO L93 Difference]: Finished difference Result 96269 states and 272551 transitions. [2022-03-03 17:03:48,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-03 17:03:48,418 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-03-03 17:03:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:48,618 INFO L225 Difference]: With dead ends: 96269 [2022-03-03 17:03:48,618 INFO L226 Difference]: Without dead ends: 96269 [2022-03-03 17:03:48,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=572, Invalid=1408, Unknown=0, NotChecked=0, Total=1980 [2022-03-03 17:03:48,619 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1272 mSDsluCounter, 8777 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:03:48,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 9399 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:03:48,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96269 states. [2022-03-03 17:03:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96269 to 90143. [2022-03-03 17:03:50,429 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) [2022-03-03 17:03:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-03-03 17:03:50,895 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-03-03 17:03:50,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:50,896 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-03-03 17:03:50,896 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) [2022-03-03 17:03:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-03-03 17:03:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:51,054 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:51,054 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] [2022-03-03 17:03:51,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-03 17:03:51,054 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:51,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:51,054 INFO L85 PathProgramCache]: Analyzing trace with hash -785236194, now seen corresponding path program 16 times [2022-03-03 17:03:51,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:51,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516275693] [2022-03-03 17:03:51,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:51,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:51,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:51,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516275693] [2022-03-03 17:03:51,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516275693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:51,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:51,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:51,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51854762] [2022-03-03 17:03:51,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:51,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:51,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:51,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:51,194 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) [2022-03-03 17:03:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:52,906 INFO L93 Difference]: Finished difference Result 96654 states and 273452 transitions. [2022-03-03 17:03:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 17:03:52,906 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 [2022-03-03 17:03:52,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:53,131 INFO L225 Difference]: With dead ends: 96654 [2022-03-03 17:03:53,132 INFO L226 Difference]: Without dead ends: 96654 [2022-03-03 17:03:53,132 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 [2022-03-03 17:03:53,132 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 [2022-03-03 17:03:53,132 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] [2022-03-03 17:03:53,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96654 states. [2022-03-03 17:03:54,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96654 to 90179. [2022-03-03 17:03:55,080 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) [2022-03-03 17:03:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-03-03 17:03:55,585 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-03-03 17:03:55,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:03:55,585 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-03-03 17:03:55,585 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) [2022-03-03 17:03:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-03-03 17:03:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:03:55,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:03:55,730 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] [2022-03-03 17:03:55,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-03 17:03:55,731 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:03:55,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:03:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1481803708, now seen corresponding path program 17 times [2022-03-03 17:03:55,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:03:55,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123794848] [2022-03-03 17:03:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:03:55,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:03:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:03:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:03:55,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:03:55,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123794848] [2022-03-03 17:03:55,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123794848] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:03:55,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:03:55,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:03:55,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311538467] [2022-03-03 17:03:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:03:55,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:03:55,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:03:55,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:03:55,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:03:55,856 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) [2022-03-03 17:03:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:03:57,587 INFO L93 Difference]: Finished difference Result 96717 states and 273611 transitions. [2022-03-03 17:03:57,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 17:03:57,588 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 [2022-03-03 17:03:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:03:57,808 INFO L225 Difference]: With dead ends: 96717 [2022-03-03 17:03:57,808 INFO L226 Difference]: Without dead ends: 96717 [2022-03-03 17:03:57,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-03-03 17:03:57,809 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 [2022-03-03 17:03:57,809 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] [2022-03-03 17:03:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96717 states. [2022-03-03 17:03:59,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96717 to 90175. [2022-03-03 17:03:59,780 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) [2022-03-03 17:04:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-03-03 17:04:00,301 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-03-03 17:04:00,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:00,301 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-03-03 17:04:00,301 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) [2022-03-03 17:04:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-03-03 17:04:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:00,465 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:00,465 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] [2022-03-03 17:04:00,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-03 17:04:00,466 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:00,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash 491237622, now seen corresponding path program 18 times [2022-03-03 17:04:00,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:00,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714565936] [2022-03-03 17:04:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:00,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:00,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:00,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714565936] [2022-03-03 17:04:00,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714565936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:00,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:00,607 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:00,607 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296981945] [2022-03-03 17:04:00,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:00,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:00,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:00,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:00,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:00,608 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) [2022-03-03 17:04:02,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:02,500 INFO L93 Difference]: Finished difference Result 96809 states and 273844 transitions. [2022-03-03 17:04:02,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-03 17:04:02,501 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 [2022-03-03 17:04:02,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:02,724 INFO L225 Difference]: With dead ends: 96809 [2022-03-03 17:04:02,724 INFO L226 Difference]: Without dead ends: 96809 [2022-03-03 17:04:02,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-03-03 17:04:02,725 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1528 mSDsluCounter, 8752 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 9372 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:02,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1528 Valid, 9372 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:04:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96809 states. [2022-03-03 17:04:04,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96809 to 90163. [2022-03-03 17:04:04,618 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) [2022-03-03 17:04:05,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-03-03 17:04:05,113 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-03-03 17:04:05,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:05,113 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-03-03 17:04:05,113 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) [2022-03-03 17:04:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-03-03 17:04:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:05,269 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:05,269 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] [2022-03-03 17:04:05,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-03 17:04:05,269 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:05,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:05,270 INFO L85 PathProgramCache]: Analyzing trace with hash 402247696, now seen corresponding path program 19 times [2022-03-03 17:04:05,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:05,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201613866] [2022-03-03 17:04:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:05,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:05,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201613866] [2022-03-03 17:04:05,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201613866] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:05,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:05,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:05,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758398215] [2022-03-03 17:04:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:05,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:05,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:05,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:05,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:05,412 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) [2022-03-03 17:04:07,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:07,381 INFO L93 Difference]: Finished difference Result 96932 states and 274067 transitions. [2022-03-03 17:04:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 17:04:07,382 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 [2022-03-03 17:04:07,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:07,603 INFO L225 Difference]: With dead ends: 96932 [2022-03-03 17:04:07,603 INFO L226 Difference]: Without dead ends: 96932 [2022-03-03 17:04:07,604 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 [2022-03-03 17:04:07,604 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 [2022-03-03 17:04:07,604 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] [2022-03-03 17:04:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96932 states. [2022-03-03 17:04:09,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96932 to 90159. [2022-03-03 17:04:09,507 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) [2022-03-03 17:04:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-03-03 17:04:09,998 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-03-03 17:04:09,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:09,998 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-03-03 17:04:09,998 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) [2022-03-03 17:04:09,998 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-03-03 17:04:10,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:10,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:10,177 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] [2022-03-03 17:04:10,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-03 17:04:10,177 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:10,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:10,177 INFO L85 PathProgramCache]: Analyzing trace with hash -323972458, now seen corresponding path program 20 times [2022-03-03 17:04:10,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:10,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083047637] [2022-03-03 17:04:10,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:10,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:10,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:10,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083047637] [2022-03-03 17:04:10,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083047637] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:10,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:10,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:10,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159251828] [2022-03-03 17:04:10,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:10,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:10,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:10,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:10,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:10,334 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) [2022-03-03 17:04:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:12,026 INFO L93 Difference]: Finished difference Result 96887 states and 274078 transitions. [2022-03-03 17:04:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 17:04:12,026 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 [2022-03-03 17:04:12,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:12,360 INFO L225 Difference]: With dead ends: 96887 [2022-03-03 17:04:12,360 INFO L226 Difference]: Without dead ends: 96887 [2022-03-03 17:04:12,360 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 [2022-03-03 17:04:12,360 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1504 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 9278 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:12,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1504 Valid, 9278 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:04:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96887 states. [2022-03-03 17:04:14,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96887 to 90211. [2022-03-03 17:04:14,507 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) [2022-03-03 17:04:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-03-03 17:04:14,744 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-03-03 17:04:14,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:14,744 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-03-03 17:04:14,744 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) [2022-03-03 17:04:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-03-03 17:04:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:14,899 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:14,899 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] [2022-03-03 17:04:14,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-03 17:04:14,899 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:14,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:14,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1943067444, now seen corresponding path program 21 times [2022-03-03 17:04:14,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:14,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995391400] [2022-03-03 17:04:14,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:15,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:15,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995391400] [2022-03-03 17:04:15,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995391400] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:15,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:15,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:15,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574506426] [2022-03-03 17:04:15,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:15,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:15,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:15,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:15,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:15,044 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) [2022-03-03 17:04:16,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:16,730 INFO L93 Difference]: Finished difference Result 96897 states and 274106 transitions. [2022-03-03 17:04:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:04:16,730 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 [2022-03-03 17:04:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:17,146 INFO L225 Difference]: With dead ends: 96897 [2022-03-03 17:04:17,146 INFO L226 Difference]: Without dead ends: 96897 [2022-03-03 17:04:17,146 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 [2022-03-03 17:04:17,146 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, 0.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:17,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1492 Valid, 9296 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-03 17:04:17,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96897 states. [2022-03-03 17:04:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96897 to 90207. [2022-03-03 17:04:19,061 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) [2022-03-03 17:04:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-03-03 17:04:19,313 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-03-03 17:04:19,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:19,313 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-03-03 17:04:19,313 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) [2022-03-03 17:04:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-03-03 17:04:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:19,474 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:19,474 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] [2022-03-03 17:04:19,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-03 17:04:19,474 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:19,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:19,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1872160410, now seen corresponding path program 22 times [2022-03-03 17:04:19,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:19,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609286259] [2022-03-03 17:04:19,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:19,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:19,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:19,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609286259] [2022-03-03 17:04:19,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609286259] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:19,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:19,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:19,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920156169] [2022-03-03 17:04:19,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:19,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:19,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:19,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:19,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:19,605 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) [2022-03-03 17:04:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:21,427 INFO L93 Difference]: Finished difference Result 96938 states and 274187 transitions. [2022-03-03 17:04:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-03 17:04:21,427 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 [2022-03-03 17:04:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:21,807 INFO L225 Difference]: With dead ends: 96938 [2022-03-03 17:04:21,807 INFO L226 Difference]: Without dead ends: 96938 [2022-03-03 17:04:21,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=589, Invalid=1391, Unknown=0, NotChecked=0, Total=1980 [2022-03-03 17:04:21,808 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 [2022-03-03 17:04:21,808 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] [2022-03-03 17:04:21,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96938 states. [2022-03-03 17:04:23,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96938 to 90195. [2022-03-03 17:04:23,798 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) [2022-03-03 17:04:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-03-03 17:04:24,052 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-03-03 17:04:24,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:24,052 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-03-03 17:04:24,052 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) [2022-03-03 17:04:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-03-03 17:04:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:24,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:24,203 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] [2022-03-03 17:04:24,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-03 17:04:24,204 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:24,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:24,204 INFO L85 PathProgramCache]: Analyzing trace with hash -191148978, now seen corresponding path program 23 times [2022-03-03 17:04:24,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:24,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833437077] [2022-03-03 17:04:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:24,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:24,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:24,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833437077] [2022-03-03 17:04:24,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833437077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:24,339 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:24,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:24,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866282906] [2022-03-03 17:04:24,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:24,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:24,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:24,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:24,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:24,340 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) [2022-03-03 17:04:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:26,088 INFO L93 Difference]: Finished difference Result 96924 states and 274161 transitions. [2022-03-03 17:04:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:04:26,089 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 [2022-03-03 17:04:26,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:26,311 INFO L225 Difference]: With dead ends: 96924 [2022-03-03 17:04:26,312 INFO L226 Difference]: Without dead ends: 96924 [2022-03-03 17:04:26,312 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 [2022-03-03 17:04:26,312 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 [2022-03-03 17:04:26,312 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] [2022-03-03 17:04:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96924 states. [2022-03-03 17:04:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96924 to 90211. [2022-03-03 17:04:28,226 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) [2022-03-03 17:04:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-03-03 17:04:28,714 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-03-03 17:04:28,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:28,715 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-03-03 17:04:28,715 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) [2022-03-03 17:04:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-03-03 17:04:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:28,868 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:28,869 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] [2022-03-03 17:04:28,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-03 17:04:28,869 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2075890924, now seen corresponding path program 24 times [2022-03-03 17:04:28,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:28,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076318422] [2022-03-03 17:04:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:28,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:29,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076318422] [2022-03-03 17:04:29,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076318422] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:29,000 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:29,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:29,000 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205105287] [2022-03-03 17:04:29,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:29,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:29,000 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:29,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:29,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:29,001 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) [2022-03-03 17:04:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:30,725 INFO L93 Difference]: Finished difference Result 96930 states and 274182 transitions. [2022-03-03 17:04:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 17:04:30,725 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 [2022-03-03 17:04:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:30,942 INFO L225 Difference]: With dead ends: 96930 [2022-03-03 17:04:30,942 INFO L226 Difference]: Without dead ends: 96930 [2022-03-03 17:04:30,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-03-03 17:04:30,943 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1495 mSDsluCounter, 8686 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 9306 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:04:30,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1495 Valid, 9306 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:04:31,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96930 states. [2022-03-03 17:04:32,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96930 to 90207. [2022-03-03 17:04:32,796 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) [2022-03-03 17:04:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-03-03 17:04:33,316 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-03-03 17:04:33,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:33,317 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-03-03 17:04:33,317 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) [2022-03-03 17:04:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-03-03 17:04:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:33,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:33,467 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:04:33,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-03 17:04:33,467 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1085324838, now seen corresponding path program 25 times [2022-03-03 17:04:33,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:33,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943116598] [2022-03-03 17:04:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:33,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:33,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943116598] [2022-03-03 17:04:33,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943116598] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:33,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:33,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:33,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972799045] [2022-03-03 17:04:33,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:33,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:33,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:33,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:33,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:33,603 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) [2022-03-03 17:04:35,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:35,369 INFO L93 Difference]: Finished difference Result 96962 states and 274250 transitions. [2022-03-03 17:04:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-03 17:04:35,369 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-03-03 17:04:35,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:35,582 INFO L225 Difference]: With dead ends: 96962 [2022-03-03 17:04:35,582 INFO L226 Difference]: Without dead ends: 96962 [2022-03-03 17:04:35,582 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 [2022-03-03 17:04:35,583 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 [2022-03-03 17:04:35,583 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] [2022-03-03 17:04:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96962 states. [2022-03-03 17:04:37,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96962 to 90147. [2022-03-03 17:04:37,460 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) [2022-03-03 17:04:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90147 states to 90147 states and 256869 transitions. [2022-03-03 17:04:37,931 INFO L78 Accepts]: Start accepts. Automaton has 90147 states and 256869 transitions. Word has length 231 [2022-03-03 17:04:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:37,931 INFO L470 AbstractCegarLoop]: Abstraction has 90147 states and 256869 transitions. [2022-03-03 17:04:37,932 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) [2022-03-03 17:04:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 90147 states and 256869 transitions. [2022-03-03 17:04:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:38,091 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:38,091 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] [2022-03-03 17:04:38,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-03 17:04:38,092 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:38,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:38,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1221615578, now seen corresponding path program 26 times [2022-03-03 17:04:38,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:38,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753301869] [2022-03-03 17:04:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:38,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:38,219 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:38,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753301869] [2022-03-03 17:04:38,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753301869] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:38,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:38,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:38,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918507757] [2022-03-03 17:04:38,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:38,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:38,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:38,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:38,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:38,221 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) [2022-03-03 17:04:39,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:39,888 INFO L93 Difference]: Finished difference Result 96650 states and 273445 transitions. [2022-03-03 17:04:39,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 17:04:39,888 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 [2022-03-03 17:04:39,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:40,116 INFO L225 Difference]: With dead ends: 96650 [2022-03-03 17:04:40,116 INFO L226 Difference]: Without dead ends: 96650 [2022-03-03 17:04:40,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-03-03 17:04:40,117 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 [2022-03-03 17:04:40,117 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] [2022-03-03 17:04:40,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96650 states. [2022-03-03 17:04:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96650 to 90211. [2022-03-03 17:04:41,932 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) [2022-03-03 17:04:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-03-03 17:04:42,164 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-03-03 17:04:42,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:42,164 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-03-03 17:04:42,165 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) [2022-03-03 17:04:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-03-03 17:04:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:42,599 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:42,599 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] [2022-03-03 17:04:42,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-03 17:04:42,600 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash -806311816, now seen corresponding path program 27 times [2022-03-03 17:04:42,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:42,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116223718] [2022-03-03 17:04:42,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:42,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:42,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116223718] [2022-03-03 17:04:42,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116223718] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:42,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:42,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:42,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354825216] [2022-03-03 17:04:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:42,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:42,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:42,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:42,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:42,723 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) [2022-03-03 17:04:44,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:44,362 INFO L93 Difference]: Finished difference Result 96672 states and 273506 transitions. [2022-03-03 17:04:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:04:44,362 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 [2022-03-03 17:04:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:44,576 INFO L225 Difference]: With dead ends: 96672 [2022-03-03 17:04:44,576 INFO L226 Difference]: Without dead ends: 96672 [2022-03-03 17:04:44,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=497, Invalid=1225, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:04:44,576 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 [2022-03-03 17:04:44,577 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] [2022-03-03 17:04:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96672 states. [2022-03-03 17:04:46,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96672 to 90207. [2022-03-03 17:04:46,638 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) [2022-03-03 17:04:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-03-03 17:04:46,862 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-03-03 17:04:46,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:46,862 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-03-03 17:04:46,862 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) [2022-03-03 17:04:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-03-03 17:04:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:47,304 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:47,304 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] [2022-03-03 17:04:47,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-03 17:04:47,305 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:47,305 INFO L85 PathProgramCache]: Analyzing trace with hash -877218850, now seen corresponding path program 28 times [2022-03-03 17:04:47,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:47,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599809134] [2022-03-03 17:04:47,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:47,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:47,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599809134] [2022-03-03 17:04:47,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599809134] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:47,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:47,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:47,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904686615] [2022-03-03 17:04:47,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:47,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:47,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:47,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:47,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:47,432 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) [2022-03-03 17:04:49,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:49,151 INFO L93 Difference]: Finished difference Result 96806 states and 273824 transitions. [2022-03-03 17:04:49,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-03 17:04:49,151 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 [2022-03-03 17:04:49,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:49,353 INFO L225 Difference]: With dead ends: 96806 [2022-03-03 17:04:49,353 INFO L226 Difference]: Without dead ends: 96806 [2022-03-03 17:04:49,354 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 [2022-03-03 17:04:49,354 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 [2022-03-03 17:04:49,354 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] [2022-03-03 17:04:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96806 states. [2022-03-03 17:04:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96806 to 90195. [2022-03-03 17:04:51,250 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) [2022-03-03 17:04:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-03-03 17:04:51,478 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-03-03 17:04:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:51,478 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-03-03 17:04:51,479 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) [2022-03-03 17:04:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-03-03 17:04:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:51,951 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:51,952 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] [2022-03-03 17:04:51,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-03 17:04:51,952 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:51,952 INFO L85 PathProgramCache]: Analyzing trace with hash 366717398, now seen corresponding path program 29 times [2022-03-03 17:04:51,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:51,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107919507] [2022-03-03 17:04:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:51,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:52,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:52,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107919507] [2022-03-03 17:04:52,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107919507] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:52,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:52,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:52,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112587503] [2022-03-03 17:04:52,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:52,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:52,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:52,094 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) [2022-03-03 17:04:53,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:53,699 INFO L93 Difference]: Finished difference Result 96666 states and 273489 transitions. [2022-03-03 17:04:53,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:04:53,699 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 [2022-03-03 17:04:53,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:53,897 INFO L225 Difference]: With dead ends: 96666 [2022-03-03 17:04:53,897 INFO L226 Difference]: Without dead ends: 96666 [2022-03-03 17:04:53,897 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 [2022-03-03 17:04:53,898 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 [2022-03-03 17:04:53,900 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] [2022-03-03 17:04:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96666 states. [2022-03-03 17:04:55,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96666 to 90211. [2022-03-03 17:04:55,733 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) [2022-03-03 17:04:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-03-03 17:04:55,962 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-03-03 17:04:55,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:04:55,963 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-03-03 17:04:55,963 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) [2022-03-03 17:04:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-03-03 17:04:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:04:56,120 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:04:56,120 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] [2022-03-03 17:04:56,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-03 17:04:56,121 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:04:56,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:04:56,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1661209996, now seen corresponding path program 30 times [2022-03-03 17:04:56,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:04:56,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526552588] [2022-03-03 17:04:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:04:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:04:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:04:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:04:56,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:04:56,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526552588] [2022-03-03 17:04:56,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526552588] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:04:56,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:04:56,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:04:56,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046380163] [2022-03-03 17:04:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:04:56,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:04:56,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:04:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:04:56,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:04:56,600 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) [2022-03-03 17:04:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:04:58,181 INFO L93 Difference]: Finished difference Result 96668 states and 273499 transitions. [2022-03-03 17:04:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 17:04:58,182 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 [2022-03-03 17:04:58,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:04:58,394 INFO L225 Difference]: With dead ends: 96668 [2022-03-03 17:04:58,394 INFO L226 Difference]: Without dead ends: 96668 [2022-03-03 17:04:58,394 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 [2022-03-03 17:04:58,395 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 [2022-03-03 17:04:58,395 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] [2022-03-03 17:04:58,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-03-03 17:05:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90207. [2022-03-03 17:05:00,301 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) [2022-03-03 17:05:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-03-03 17:05:00,543 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-03-03 17:05:00,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:00,543 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-03-03 17:05:00,543 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) [2022-03-03 17:05:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-03-03 17:05:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:00,699 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:00,699 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] [2022-03-03 17:05:00,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-03 17:05:00,699 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:00,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:00,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1643191214, now seen corresponding path program 31 times [2022-03-03 17:05:00,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:00,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119476817] [2022-03-03 17:05:00,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:00,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:00,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:00,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119476817] [2022-03-03 17:05:00,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119476817] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:00,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:00,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:00,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415125328] [2022-03-03 17:05:00,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:00,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:00,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:00,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:00,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:00,820 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) [2022-03-03 17:05:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:02,587 INFO L93 Difference]: Finished difference Result 96668 states and 273491 transitions. [2022-03-03 17:05:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-03 17:05:02,588 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 [2022-03-03 17:05:02,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:02,963 INFO L225 Difference]: With dead ends: 96668 [2022-03-03 17:05:02,963 INFO L226 Difference]: Without dead ends: 96668 [2022-03-03 17:05:02,963 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 [2022-03-03 17:05:02,963 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1507 mSDsluCounter, 8679 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:02,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 9304 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:05:03,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-03-03 17:05:04,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90159. [2022-03-03 17:05:04,769 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) [2022-03-03 17:05:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-03-03 17:05:04,999 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-03-03 17:05:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:04,999 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-03-03 17:05:05,000 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) [2022-03-03 17:05:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-03-03 17:05:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:05,149 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:05,150 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] [2022-03-03 17:05:05,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-03 17:05:05,150 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:05,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:05,150 INFO L85 PathProgramCache]: Analyzing trace with hash -260653282, now seen corresponding path program 32 times [2022-03-03 17:05:05,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:05,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033622699] [2022-03-03 17:05:05,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:05,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:05,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033622699] [2022-03-03 17:05:05,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033622699] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:05,274 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:05,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:05,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57754711] [2022-03-03 17:05:05,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:05,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:05,274 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:05,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:05,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:05,274 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) [2022-03-03 17:05:06,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:06,957 INFO L93 Difference]: Finished difference Result 96478 states and 272984 transitions. [2022-03-03 17:05:06,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 17:05:06,958 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 [2022-03-03 17:05:06,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:07,183 INFO L225 Difference]: With dead ends: 96478 [2022-03-03 17:05:07,183 INFO L226 Difference]: Without dead ends: 96478 [2022-03-03 17:05:07,183 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 [2022-03-03 17:05:07,184 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 [2022-03-03 17:05:07,366 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] [2022-03-03 17:05:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96478 states. [2022-03-03 17:05:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96478 to 90179. [2022-03-03 17:05:09,221 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) [2022-03-03 17:05:09,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-03-03 17:05:09,458 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-03-03 17:05:09,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:09,458 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-03-03 17:05:09,459 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) [2022-03-03 17:05:09,459 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-03-03 17:05:09,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:09,608 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:09,608 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] [2022-03-03 17:05:09,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-03 17:05:09,608 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:09,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2006386620, now seen corresponding path program 33 times [2022-03-03 17:05:09,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:09,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618019446] [2022-03-03 17:05:09,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:09,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:09,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618019446] [2022-03-03 17:05:09,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618019446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:09,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:09,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:09,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861097927] [2022-03-03 17:05:09,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:09,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:09,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:09,730 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) [2022-03-03 17:05:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:11,379 INFO L93 Difference]: Finished difference Result 96456 states and 272932 transitions. [2022-03-03 17:05:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 17:05:11,379 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-03-03 17:05:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:11,594 INFO L225 Difference]: With dead ends: 96456 [2022-03-03 17:05:11,594 INFO L226 Difference]: Without dead ends: 96456 [2022-03-03 17:05:11,594 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 [2022-03-03 17:05:11,595 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 [2022-03-03 17:05:11,595 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] [2022-03-03 17:05:11,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96456 states. [2022-03-03 17:05:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96456 to 90175. [2022-03-03 17:05:13,506 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) [2022-03-03 17:05:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-03-03 17:05:13,994 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-03-03 17:05:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:13,994 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-03-03 17:05:13,994 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) [2022-03-03 17:05:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-03-03 17:05:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:14,148 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:14,148 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] [2022-03-03 17:05:14,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-03 17:05:14,148 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:14,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1935479586, now seen corresponding path program 34 times [2022-03-03 17:05:14,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:14,149 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676610390] [2022-03-03 17:05:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:14,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:14,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:14,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676610390] [2022-03-03 17:05:14,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676610390] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:14,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:14,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:14,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874870847] [2022-03-03 17:05:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:14,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:14,271 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:14,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:14,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:14,272 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) [2022-03-03 17:05:16,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:16,011 INFO L93 Difference]: Finished difference Result 96581 states and 273240 transitions. [2022-03-03 17:05:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-03 17:05:16,011 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-03-03 17:05:16,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:16,218 INFO L225 Difference]: With dead ends: 96581 [2022-03-03 17:05:16,218 INFO L226 Difference]: Without dead ends: 96581 [2022-03-03 17:05:16,219 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 [2022-03-03 17:05:16,219 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 [2022-03-03 17:05:16,219 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] [2022-03-03 17:05:16,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96581 states. [2022-03-03 17:05:18,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96581 to 90163. [2022-03-03 17:05:18,182 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) [2022-03-03 17:05:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-03-03 17:05:18,697 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-03-03 17:05:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:18,698 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-03-03 17:05:18,698 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) [2022-03-03 17:05:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-03-03 17:05:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:18,857 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:18,858 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] [2022-03-03 17:05:18,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-03 17:05:18,858 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:18,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:18,859 INFO L85 PathProgramCache]: Analyzing trace with hash -632639338, now seen corresponding path program 35 times [2022-03-03 17:05:18,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:18,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533069909] [2022-03-03 17:05:18,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:18,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:18,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:18,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533069909] [2022-03-03 17:05:18,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533069909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:18,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:18,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:18,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951520171] [2022-03-03 17:05:18,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:18,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:18,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:18,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:18,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:18,985 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) [2022-03-03 17:05:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:20,804 INFO L93 Difference]: Finished difference Result 96278 states and 272508 transitions. [2022-03-03 17:05:20,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 17:05:20,805 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 [2022-03-03 17:05:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:21,026 INFO L225 Difference]: With dead ends: 96278 [2022-03-03 17:05:21,026 INFO L226 Difference]: Without dead ends: 96278 [2022-03-03 17:05:21,027 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 [2022-03-03 17:05:21,030 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 [2022-03-03 17:05:21,030 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] [2022-03-03 17:05:21,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96278 states. [2022-03-03 17:05:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96278 to 90186. [2022-03-03 17:05:22,854 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) [2022-03-03 17:05:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90186 states to 90186 states and 256970 transitions. [2022-03-03 17:05:23,363 INFO L78 Accepts]: Start accepts. Automaton has 90186 states and 256970 transitions. Word has length 231 [2022-03-03 17:05:23,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:23,363 INFO L470 AbstractCegarLoop]: Abstraction has 90186 states and 256970 transitions. [2022-03-03 17:05:23,363 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) [2022-03-03 17:05:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 90186 states and 256970 transitions. [2022-03-03 17:05:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:23,510 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:23,510 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] [2022-03-03 17:05:23,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-03 17:05:23,511 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:23,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:23,511 INFO L85 PathProgramCache]: Analyzing trace with hash -928429682, now seen corresponding path program 36 times [2022-03-03 17:05:23,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:23,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941345578] [2022-03-03 17:05:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:23,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:23,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:23,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941345578] [2022-03-03 17:05:23,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941345578] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:23,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:23,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:23,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164067561] [2022-03-03 17:05:23,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:23,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:23,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:23,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:23,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:23,656 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) [2022-03-03 17:05:25,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:25,283 INFO L93 Difference]: Finished difference Result 96226 states and 272442 transitions. [2022-03-03 17:05:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-03 17:05:25,283 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 [2022-03-03 17:05:25,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:25,499 INFO L225 Difference]: With dead ends: 96226 [2022-03-03 17:05:25,500 INFO L226 Difference]: Without dead ends: 96226 [2022-03-03 17:05:25,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=457, Invalid=1103, Unknown=0, NotChecked=0, Total=1560 [2022-03-03 17:05:25,500 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 [2022-03-03 17:05:25,500 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] [2022-03-03 17:05:25,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96226 states. [2022-03-03 17:05:27,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96226 to 90274. [2022-03-03 17:05:27,328 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) [2022-03-03 17:05:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90274 states to 90274 states and 257212 transitions. [2022-03-03 17:05:27,552 INFO L78 Accepts]: Start accepts. Automaton has 90274 states and 257212 transitions. Word has length 231 [2022-03-03 17:05:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:27,553 INFO L470 AbstractCegarLoop]: Abstraction has 90274 states and 257212 transitions. [2022-03-03 17:05:27,553 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) [2022-03-03 17:05:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 90274 states and 257212 transitions. [2022-03-03 17:05:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:27,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:27,980 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:05:27,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-03 17:05:27,981 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:27,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:27,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1338610220, now seen corresponding path program 37 times [2022-03-03 17:05:27,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:27,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214763136] [2022-03-03 17:05:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:27,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:28,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:28,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214763136] [2022-03-03 17:05:28,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214763136] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:28,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:28,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:28,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609217289] [2022-03-03 17:05:28,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:28,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:28,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:28,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:28,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:28,104 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) [2022-03-03 17:05:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:29,677 INFO L93 Difference]: Finished difference Result 96350 states and 272726 transitions. [2022-03-03 17:05:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:05:29,677 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 [2022-03-03 17:05:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:29,882 INFO L225 Difference]: With dead ends: 96350 [2022-03-03 17:05:29,882 INFO L226 Difference]: Without dead ends: 96350 [2022-03-03 17:05:29,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=493, Invalid=1229, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:05:29,882 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 [2022-03-03 17:05:29,882 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] [2022-03-03 17:05:30,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96350 states. [2022-03-03 17:05:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96350 to 90270. [2022-03-03 17:05:31,737 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) [2022-03-03 17:05:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90270 states to 90270 states and 257201 transitions. [2022-03-03 17:05:31,955 INFO L78 Accepts]: Start accepts. Automaton has 90270 states and 257201 transitions. Word has length 231 [2022-03-03 17:05:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:31,955 INFO L470 AbstractCegarLoop]: Abstraction has 90270 states and 257201 transitions. [2022-03-03 17:05:31,956 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) [2022-03-03 17:05:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 90270 states and 257201 transitions. [2022-03-03 17:05:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:32,103 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:32,103 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] [2022-03-03 17:05:32,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-03 17:05:32,104 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:32,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:32,104 INFO L85 PathProgramCache]: Analyzing trace with hash 348044134, now seen corresponding path program 38 times [2022-03-03 17:05:32,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:32,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252304287] [2022-03-03 17:05:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:32,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:32,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:32,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252304287] [2022-03-03 17:05:32,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252304287] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:32,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:32,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:32,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122306689] [2022-03-03 17:05:32,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:32,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:32,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:32,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:32,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:32,586 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) [2022-03-03 17:05:34,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:34,264 INFO L93 Difference]: Finished difference Result 96430 states and 272930 transitions. [2022-03-03 17:05:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-03 17:05:34,264 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 [2022-03-03 17:05:34,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:34,460 INFO L225 Difference]: With dead ends: 96430 [2022-03-03 17:05:34,460 INFO L226 Difference]: Without dead ends: 96430 [2022-03-03 17:05:34,460 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 [2022-03-03 17:05:34,460 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 [2022-03-03 17:05:34,461 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] [2022-03-03 17:05:34,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96430 states. [2022-03-03 17:05:36,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96430 to 90258. [2022-03-03 17:05:36,285 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) [2022-03-03 17:05:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90258 states to 90258 states and 257168 transitions. [2022-03-03 17:05:36,507 INFO L78 Accepts]: Start accepts. Automaton has 90258 states and 257168 transitions. Word has length 231 [2022-03-03 17:05:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:36,507 INFO L470 AbstractCegarLoop]: Abstraction has 90258 states and 257168 transitions. [2022-03-03 17:05:36,507 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) [2022-03-03 17:05:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 90258 states and 257168 transitions. [2022-03-03 17:05:36,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:36,659 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:36,659 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] [2022-03-03 17:05:36,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-03 17:05:36,659 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:36,659 INFO L85 PathProgramCache]: Analyzing trace with hash 259054208, now seen corresponding path program 39 times [2022-03-03 17:05:36,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:36,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514709716] [2022-03-03 17:05:36,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:36,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:36,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:36,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514709716] [2022-03-03 17:05:36,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514709716] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:36,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:36,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:36,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199221735] [2022-03-03 17:05:36,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:36,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:36,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:36,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:36,788 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) [2022-03-03 17:05:38,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:38,624 INFO L93 Difference]: Finished difference Result 96466 states and 273017 transitions. [2022-03-03 17:05:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-03 17:05:38,624 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 [2022-03-03 17:05:38,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:39,008 INFO L225 Difference]: With dead ends: 96466 [2022-03-03 17:05:39,008 INFO L226 Difference]: Without dead ends: 96466 [2022-03-03 17:05:39,008 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 [2022-03-03 17:05:39,009 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 1265 mSDsluCounter, 8917 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:39,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 9559 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-03 17:05:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96466 states. [2022-03-03 17:05:40,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96466 to 90254. [2022-03-03 17:05:40,893 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) [2022-03-03 17:05:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90254 states to 90254 states and 257157 transitions. [2022-03-03 17:05:41,133 INFO L78 Accepts]: Start accepts. Automaton has 90254 states and 257157 transitions. Word has length 231 [2022-03-03 17:05:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:41,133 INFO L470 AbstractCegarLoop]: Abstraction has 90254 states and 257157 transitions. [2022-03-03 17:05:41,134 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) [2022-03-03 17:05:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 90254 states and 257157 transitions. [2022-03-03 17:05:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:41,283 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:41,283 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] [2022-03-03 17:05:41,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-03 17:05:41,283 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:41,284 INFO L85 PathProgramCache]: Analyzing trace with hash -467165946, now seen corresponding path program 40 times [2022-03-03 17:05:41,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:41,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647698487] [2022-03-03 17:05:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:41,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:41,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647698487] [2022-03-03 17:05:41,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647698487] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:41,415 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:41,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:41,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504515130] [2022-03-03 17:05:41,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:41,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:41,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:41,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:41,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:41,417 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) [2022-03-03 17:05:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:43,077 INFO L93 Difference]: Finished difference Result 96592 states and 273367 transitions. [2022-03-03 17:05:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:05:43,077 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 [2022-03-03 17:05:43,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:43,283 INFO L225 Difference]: With dead ends: 96592 [2022-03-03 17:05:43,283 INFO L226 Difference]: Without dead ends: 96592 [2022-03-03 17:05:43,283 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 [2022-03-03 17:05:43,284 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1179 mSDsluCounter, 8840 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:43,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1179 Valid, 9475 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-03 17:05:43,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96592 states. [2022-03-03 17:05:45,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96592 to 90306. [2022-03-03 17:05:45,157 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) [2022-03-03 17:05:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-03-03 17:05:45,599 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-03-03 17:05:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:45,600 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-03-03 17:05:45,600 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) [2022-03-03 17:05:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-03-03 17:05:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:45,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:45,745 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] [2022-03-03 17:05:45,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-03 17:05:45,746 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:45,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1799873956, now seen corresponding path program 41 times [2022-03-03 17:05:45,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:45,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996962689] [2022-03-03 17:05:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:45,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:45,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:45,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996962689] [2022-03-03 17:05:45,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996962689] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:45,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:45,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:45,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221382098] [2022-03-03 17:05:45,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:45,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:45,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:45,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:45,886 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) [2022-03-03 17:05:47,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:47,500 INFO L93 Difference]: Finished difference Result 96602 states and 273395 transitions. [2022-03-03 17:05:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 17:05:47,501 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 [2022-03-03 17:05:47,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:47,694 INFO L225 Difference]: With dead ends: 96602 [2022-03-03 17:05:47,694 INFO L226 Difference]: Without dead ends: 96602 [2022-03-03 17:05:47,695 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 [2022-03-03 17:05:47,695 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 [2022-03-03 17:05:47,695 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] [2022-03-03 17:05:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96602 states. [2022-03-03 17:05:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96602 to 90302. [2022-03-03 17:05:49,509 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) [2022-03-03 17:05:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-03-03 17:05:50,014 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-03-03 17:05:50,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:50,014 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-03-03 17:05:50,014 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) [2022-03-03 17:05:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-03-03 17:05:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:50,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:50,176 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] [2022-03-03 17:05:50,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-03 17:05:50,176 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:50,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:50,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1728966922, now seen corresponding path program 42 times [2022-03-03 17:05:50,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:50,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916920207] [2022-03-03 17:05:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:50,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:50,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:50,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916920207] [2022-03-03 17:05:50,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916920207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:50,302 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:50,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:50,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018390413] [2022-03-03 17:05:50,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:50,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:50,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:50,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:50,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:50,303 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) [2022-03-03 17:05:52,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:52,128 INFO L93 Difference]: Finished difference Result 96643 states and 273476 transitions. [2022-03-03 17:05:52,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-03 17:05:52,128 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 [2022-03-03 17:05:52,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:52,340 INFO L225 Difference]: With dead ends: 96643 [2022-03-03 17:05:52,340 INFO L226 Difference]: Without dead ends: 96643 [2022-03-03 17:05:52,340 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 [2022-03-03 17:05:52,340 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 [2022-03-03 17:05:52,341 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] [2022-03-03 17:05:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96643 states. [2022-03-03 17:05:54,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96643 to 90290. [2022-03-03 17:05:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90290 states, 90289 states have (on average 2.8492507392927156) internal successors, (257256), 90289 states have internal predecessors, (257256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90290 states to 90290 states and 257256 transitions. [2022-03-03 17:05:54,625 INFO L78 Accepts]: Start accepts. Automaton has 90290 states and 257256 transitions. Word has length 231 [2022-03-03 17:05:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:54,625 INFO L470 AbstractCegarLoop]: Abstraction has 90290 states and 257256 transitions. [2022-03-03 17:05:54,625 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) [2022-03-03 17:05:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 90290 states and 257256 transitions. [2022-03-03 17:05:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:54,772 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:54,772 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] [2022-03-03 17:05:54,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-03 17:05:54,772 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:54,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash -334342466, now seen corresponding path program 43 times [2022-03-03 17:05:54,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:54,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166377897] [2022-03-03 17:05:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:54,911 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:54,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166377897] [2022-03-03 17:05:54,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166377897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:54,911 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:54,911 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:54,911 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169774792] [2022-03-03 17:05:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:54,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:54,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:54,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:54,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:54,912 INFO L87 Difference]: Start difference. First operand 90290 states and 257256 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:05:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:05:56,590 INFO L93 Difference]: Finished difference Result 96629 states and 273450 transitions. [2022-03-03 17:05:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 17:05:56,591 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 [2022-03-03 17:05:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:05:56,794 INFO L225 Difference]: With dead ends: 96629 [2022-03-03 17:05:56,795 INFO L226 Difference]: Without dead ends: 96629 [2022-03-03 17:05:56,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=479, Invalid=1161, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 17:05:56,795 INFO L933 BasicCegarLoop]: 751 mSDtfsCounter, 1176 mSDsluCounter, 8847 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 9484 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-03 17:05:56,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 9484 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-03 17:05:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96629 states. [2022-03-03 17:05:58,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96629 to 90306. [2022-03-03 17:05:58,663 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) [2022-03-03 17:05:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-03-03 17:05:59,148 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-03-03 17:05:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:05:59,148 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-03-03 17:05:59,148 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) [2022-03-03 17:05:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-03-03 17:05:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:05:59,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:05:59,308 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:05:59,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-03 17:05:59,308 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:05:59,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:05:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1932697436, now seen corresponding path program 44 times [2022-03-03 17:05:59,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:05:59,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18023183] [2022-03-03 17:05:59,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:05:59,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:05:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:05:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:05:59,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:05:59,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18023183] [2022-03-03 17:05:59,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18023183] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:05:59,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:05:59,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:05:59,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205633906] [2022-03-03 17:05:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:05:59,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:05:59,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:05:59,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:05:59,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:05:59,430 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) [2022-03-03 17:06:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:06:01,055 INFO L93 Difference]: Finished difference Result 96635 states and 273471 transitions. [2022-03-03 17:06:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 17:06:01,056 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-03-03 17:06:01,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:06:01,263 INFO L225 Difference]: With dead ends: 96635 [2022-03-03 17:06:01,264 INFO L226 Difference]: Without dead ends: 96635 [2022-03-03 17:06:01,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=498, Invalid=1224, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 17:06:01,264 INFO L933 BasicCegarLoop]: 750 mSDtfsCounter, 1170 mSDsluCounter, 8867 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 9508 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:06:01,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 9508 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:06:01,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96635 states. [2022-03-03 17:06:03,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96635 to 90302. [2022-03-03 17:06:03,145 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) [2022-03-03 17:06:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90302 states to 90302 states and 257289 transitions. [2022-03-03 17:06:03,366 INFO L78 Accepts]: Start accepts. Automaton has 90302 states and 257289 transitions. Word has length 231 [2022-03-03 17:06:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:06:03,366 INFO L470 AbstractCegarLoop]: Abstraction has 90302 states and 257289 transitions. [2022-03-03 17:06:03,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:06:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 90302 states and 257289 transitions. [2022-03-03 17:06:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-03-03 17:06:03,836 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:06:03,836 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] [2022-03-03 17:06:03,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-03 17:06:03,836 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-03 17:06:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:06:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash 942131350, now seen corresponding path program 45 times [2022-03-03 17:06:03,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:06:03,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923685157] [2022-03-03 17:06:03,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:06:03,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:06:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:06:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-03 17:06:03,969 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:06:03,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923685157] [2022-03-03 17:06:03,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923685157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:06:03,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:06:03,970 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 17:06:03,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715295759] [2022-03-03 17:06:03,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:06:03,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-03 17:06:03,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:06:03,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-03 17:06:03,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-03-03 17:06:03,970 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) [2022-03-03 17:06:05,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:06:05,664 INFO L93 Difference]: Finished difference Result 96667 states and 273539 transitions. [2022-03-03 17:06:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-03 17:06:05,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-03-03 17:06:05,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:06:05,863 INFO L225 Difference]: With dead ends: 96667 [2022-03-03 17:06:05,864 INFO L226 Difference]: Without dead ends: 96667 [2022-03-03 17:06:05,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=588, Invalid=1392, Unknown=0, NotChecked=0, Total=1980 [2022-03-03 17:06:05,864 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 1197 mSDsluCounter, 8896 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 9541 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 17:06:05,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 9541 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 17:06:06,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96667 states.