/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-820ea7a [2022-02-18 14:15:01,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 14:15:01,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 14:15:01,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 14:15:01,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 14:15:01,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 14:15:01,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 14:15:01,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-18 14:15:01,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 14:15:01,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 14:15:01,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 14:15:01,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 14:15:01,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 14:15:01,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 14:15:01,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 14:15:01,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 14:15:01,672 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 14:15:01,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 14:15:01,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 14:15:01,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 14:15:01,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 14:15:01,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 14:15:01,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 14:15:01,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 14:15:01,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 14:15:01,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 14:15:01,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 14:15:01,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 14:15:01,838 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 14:15:01,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-02-18 14:15:01,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5caaf48c4/7c606a6b6f76477785691ab69d400283/FLAGb4076a8cf [2022-02-18 14:15:02,206 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 14:15:02,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-02-18 14:15:02,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5caaf48c4/7c606a6b6f76477785691ab69d400283/FLAGb4076a8cf [2022-02-18 14:15:02,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5caaf48c4/7c606a6b6f76477785691ab69d400283 [2022-02-18 14:15:02,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 14:15:02,610 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 14:15:02,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 14:15:02,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 14:15:02,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 14:15:02,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76842c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02, skipping insertion in model container [2022-02-18 14:15:02,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 14:15:02,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 14:15:02,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2022-02-18 14:15:02,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 14:15:02,796 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 14:15:02,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2022-02-18 14:15:02,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 14:15:02,821 INFO L208 MainTranslator]: Completed translation [2022-02-18 14:15:02,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02 WrapperNode [2022-02-18 14:15:02,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 14:15:02,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 14:15:02,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 14:15:02,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 14:15:02,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,851 INFO L137 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 278 [2022-02-18 14:15:02,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 14:15:02,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 14:15:02,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 14:15:02,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 14:15:02,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 14:15:02,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 14:15:02,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 14:15:02,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 14:15:02,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (1/1) ... [2022-02-18 14:15:02,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 14:15:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:15:02,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 14:15:02,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 14:15:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 14:15:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 14:15:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 14:15:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-18 14:15:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 14:15:02,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 14:15:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 14:15:02,921 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 14:15:03,014 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 14:15:03,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 14:15:03,390 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 14:15:03,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 14:15:03,400 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-18 14:15:03,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:15:03 BoogieIcfgContainer [2022-02-18 14:15:03,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 14:15:03,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 14:15:03,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 14:15:03,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 14:15:03,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 02:15:02" (1/3) ... [2022-02-18 14:15:03,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51540061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:15:03, skipping insertion in model container [2022-02-18 14:15:03,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:15:02" (2/3) ... [2022-02-18 14:15:03,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51540061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:15:03, skipping insertion in model container [2022-02-18 14:15:03,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:15:03" (3/3) ... [2022-02-18 14:15:03,413 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2022-02-18 14:15:03,416 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 14:15:03,416 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 14:15:03,416 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 14:15:03,416 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 14:15:03,464 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,491 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,491 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,491 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,492 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,492 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,492 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,492 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,504 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,505 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,506 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,507 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,508 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:15:03,551 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-18 14:15:03,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 14:15:03,609 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 [2022-02-18 14:15:03,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-18 14:15:03,621 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 325 places, 353 transitions, 722 flow [2022-02-18 14:15:04,476 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-02-18 14:15:04,840 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:04,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:04,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:04,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:04,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1341971264, now seen corresponding path program 1 times [2022-02-18 14:15:04,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:04,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645478186] [2022-02-18 14:15:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:04,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:05,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:05,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645478186] [2022-02-18 14:15:05,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645478186] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:05,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:05,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 14:15:05,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542458823] [2022-02-18 14:15:05,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:05,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 14:15:05,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:05,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 14:15:05,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 14:15:05,207 INFO L87 Difference]: Start difference. First operand has 31889 states, 31888 states have (on average 2.9934144505770197) internal successors, (95454), 31888 states have internal predecessors, (95454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:05,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:05,619 INFO L93 Difference]: Finished difference Result 31889 states and 91885 transitions. [2022-02-18 14:15:05,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 14:15:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2022-02-18 14:15:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:05,812 INFO L225 Difference]: With dead ends: 31889 [2022-02-18 14:15:05,812 INFO L226 Difference]: Without dead ends: 29098 [2022-02-18 14:15:05,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 14:15:05,817 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:05,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29098 states. [2022-02-18 14:15:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29098 to 29098. [2022-02-18 14:15:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29098 states, 29097 states have (on average 2.8875141767192494) internal successors, (84018), 29097 states have internal predecessors, (84018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29098 states to 29098 states and 84018 transitions. [2022-02-18 14:15:07,066 INFO L78 Accepts]: Start accepts. Automaton has 29098 states and 84018 transitions. Word has length 164 [2022-02-18 14:15:07,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:07,067 INFO L470 AbstractCegarLoop]: Abstraction has 29098 states and 84018 transitions. [2022-02-18 14:15:07,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 29098 states and 84018 transitions. [2022-02-18 14:15:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-18 14:15:07,188 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:07,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:07,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 14:15:07,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:07,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:07,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2093121947, now seen corresponding path program 1 times [2022-02-18 14:15:07,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:07,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853640479] [2022-02-18 14:15:07,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:07,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:07,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:07,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853640479] [2022-02-18 14:15:07,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853640479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:07,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:07,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 14:15:07,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136232578] [2022-02-18 14:15:07,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:07,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 14:15:07,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:07,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 14:15:07,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:15:07,502 INFO L87 Difference]: Start difference. First operand 29098 states and 84018 transitions. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:07,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:07,957 INFO L93 Difference]: Finished difference Result 50235 states and 144398 transitions. [2022-02-18 14:15:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 14:15:07,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-18 14:15:07,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:08,229 INFO L225 Difference]: With dead ends: 50235 [2022-02-18 14:15:08,229 INFO L226 Difference]: Without dead ends: 50235 [2022-02-18 14:15:08,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:15:08,232 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 423 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:08,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 2043 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:08,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50235 states. [2022-02-18 14:15:09,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50235 to 37219. [2022-02-18 14:15:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37219 states, 37218 states have (on average 2.885781073674029) internal successors, (107403), 37218 states have internal predecessors, (107403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37219 states to 37219 states and 107403 transitions. [2022-02-18 14:15:09,484 INFO L78 Accepts]: Start accepts. Automaton has 37219 states and 107403 transitions. Word has length 166 [2022-02-18 14:15:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:09,486 INFO L470 AbstractCegarLoop]: Abstraction has 37219 states and 107403 transitions. [2022-02-18 14:15:09,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 37219 states and 107403 transitions. [2022-02-18 14:15:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-18 14:15:09,568 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:09,568 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:09,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 14:15:09,569 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:09,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:09,569 INFO L85 PathProgramCache]: Analyzing trace with hash -782458299, now seen corresponding path program 1 times [2022-02-18 14:15:09,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:09,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143298885] [2022-02-18 14:15:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:09,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:09,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:09,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143298885] [2022-02-18 14:15:09,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143298885] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:09,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:09,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 14:15:09,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172170772] [2022-02-18 14:15:09,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:09,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 14:15:09,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:09,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 14:15:09,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:09,618 INFO L87 Difference]: Start difference. First operand 37219 states and 107403 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:10,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:10,263 INFO L93 Difference]: Finished difference Result 69921 states and 200064 transitions. [2022-02-18 14:15:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 14:15:10,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-18 14:15:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:10,514 INFO L225 Difference]: With dead ends: 69921 [2022-02-18 14:15:10,515 INFO L226 Difference]: Without dead ends: 69921 [2022-02-18 14:15:10,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:10,516 INFO L933 BasicCegarLoop]: 480 mSDtfsCounter, 212 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:10,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 759 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:10,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69921 states. [2022-02-18 14:15:11,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69921 to 42147. [2022-02-18 14:15:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42147 states, 42146 states have (on average 2.8571394675651307) internal successors, (120417), 42146 states have internal predecessors, (120417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42147 states to 42147 states and 120417 transitions. [2022-02-18 14:15:11,877 INFO L78 Accepts]: Start accepts. Automaton has 42147 states and 120417 transitions. Word has length 166 [2022-02-18 14:15:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:11,878 INFO L470 AbstractCegarLoop]: Abstraction has 42147 states and 120417 transitions. [2022-02-18 14:15:11,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 42147 states and 120417 transitions. [2022-02-18 14:15:12,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-18 14:15:12,145 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:12,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:12,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 14:15:12,146 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:12,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1738302227, now seen corresponding path program 1 times [2022-02-18 14:15:12,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:12,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008214556] [2022-02-18 14:15:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:12,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:12,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:12,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008214556] [2022-02-18 14:15:12,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008214556] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:12,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:12,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 14:15:12,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312138350] [2022-02-18 14:15:12,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:12,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 14:15:12,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:12,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 14:15:12,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 14:15:12,260 INFO L87 Difference]: Start difference. First operand 42147 states and 120417 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:12,541 INFO L93 Difference]: Finished difference Result 60057 states and 171803 transitions. [2022-02-18 14:15:12,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 14:15:12,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-18 14:15:12,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:12,688 INFO L225 Difference]: With dead ends: 60057 [2022-02-18 14:15:12,689 INFO L226 Difference]: Without dead ends: 60057 [2022-02-18 14:15:12,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:15:12,691 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 313 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:12,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 1249 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:13,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60057 states. [2022-02-18 14:15:13,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60057 to 46821. [2022-02-18 14:15:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46821 states, 46820 states have (on average 2.860209312259718) internal successors, (133915), 46820 states have internal predecessors, (133915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46821 states to 46821 states and 133915 transitions. [2022-02-18 14:15:14,185 INFO L78 Accepts]: Start accepts. Automaton has 46821 states and 133915 transitions. Word has length 166 [2022-02-18 14:15:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:14,186 INFO L470 AbstractCegarLoop]: Abstraction has 46821 states and 133915 transitions. [2022-02-18 14:15:14,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 46821 states and 133915 transitions. [2022-02-18 14:15:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-18 14:15:14,269 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:14,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:14,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-18 14:15:14,270 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:14,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1700083673, now seen corresponding path program 1 times [2022-02-18 14:15:14,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:14,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611813408] [2022-02-18 14:15:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:14,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:14,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:14,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611813408] [2022-02-18 14:15:14,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611813408] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:14,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:14,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 14:15:14,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707631483] [2022-02-18 14:15:14,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:14,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 14:15:14,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:14,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 14:15:14,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:14,361 INFO L87 Difference]: Start difference. First operand 46821 states and 133915 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:14,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:14,975 INFO L93 Difference]: Finished difference Result 63929 states and 182049 transitions. [2022-02-18 14:15:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 14:15:14,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-02-18 14:15:14,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:15,117 INFO L225 Difference]: With dead ends: 63929 [2022-02-18 14:15:15,118 INFO L226 Difference]: Without dead ends: 63929 [2022-02-18 14:15:15,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:15,119 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 202 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:15,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 584 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:15,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63929 states. [2022-02-18 14:15:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63929 to 42952. [2022-02-18 14:15:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42952 states, 42951 states have (on average 2.8327396335358896) internal successors, (121669), 42951 states have internal predecessors, (121669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42952 states to 42952 states and 121669 transitions. [2022-02-18 14:15:16,365 INFO L78 Accepts]: Start accepts. Automaton has 42952 states and 121669 transitions. Word has length 166 [2022-02-18 14:15:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:16,366 INFO L470 AbstractCegarLoop]: Abstraction has 42952 states and 121669 transitions. [2022-02-18 14:15:16,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 42952 states and 121669 transitions. [2022-02-18 14:15:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-18 14:15:16,433 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:16,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:16,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-18 14:15:16,433 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:16,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1211819661, now seen corresponding path program 1 times [2022-02-18 14:15:16,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:16,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868897480] [2022-02-18 14:15:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:16,490 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:16,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868897480] [2022-02-18 14:15:16,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868897480] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:16,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:16,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 14:15:16,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014428755] [2022-02-18 14:15:16,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:16,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 14:15:16,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:16,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 14:15:16,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:15:16,492 INFO L87 Difference]: Start difference. First operand 42952 states and 121669 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:17,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:17,018 INFO L93 Difference]: Finished difference Result 64470 states and 182650 transitions. [2022-02-18 14:15:17,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 14:15:17,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2022-02-18 14:15:17,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:17,182 INFO L225 Difference]: With dead ends: 64470 [2022-02-18 14:15:17,182 INFO L226 Difference]: Without dead ends: 64470 [2022-02-18 14:15:17,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:15:17,183 INFO L933 BasicCegarLoop]: 583 mSDtfsCounter, 438 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:17,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 1920 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64470 states. [2022-02-18 14:15:18,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64470 to 49332. [2022-02-18 14:15:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49332 states, 49331 states have (on average 2.836086841945227) internal successors, (139907), 49331 states have internal predecessors, (139907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49332 states to 49332 states and 139907 transitions. [2022-02-18 14:15:18,653 INFO L78 Accepts]: Start accepts. Automaton has 49332 states and 139907 transitions. Word has length 168 [2022-02-18 14:15:18,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:18,654 INFO L470 AbstractCegarLoop]: Abstraction has 49332 states and 139907 transitions. [2022-02-18 14:15:18,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49332 states and 139907 transitions. [2022-02-18 14:15:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-02-18 14:15:18,734 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:18,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:18,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-18 14:15:18,735 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:18,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:18,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1235692290, now seen corresponding path program 1 times [2022-02-18 14:15:18,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:18,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823477900] [2022-02-18 14:15:18,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:18,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:18,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:18,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823477900] [2022-02-18 14:15:18,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823477900] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:18,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:18,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 14:15:18,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240797344] [2022-02-18 14:15:18,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:18,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 14:15:18,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:18,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 14:15:18,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:15:18,780 INFO L87 Difference]: Start difference. First operand 49332 states and 139907 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:18,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:18,993 INFO L93 Difference]: Finished difference Result 49338 states and 139913 transitions. [2022-02-18 14:15:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 14:15:18,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2022-02-18 14:15:18,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:19,101 INFO L225 Difference]: With dead ends: 49338 [2022-02-18 14:15:19,102 INFO L226 Difference]: Without dead ends: 49338 [2022-02-18 14:15:19,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:15:19,102 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 515 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:19,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [515 Valid, 664 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:19,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49338 states. [2022-02-18 14:15:20,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49338 to 49333. [2022-02-18 14:15:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49333 states, 49332 states have (on average 2.8360496229627827) internal successors, (139908), 49332 states have internal predecessors, (139908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49333 states to 49333 states and 139908 transitions. [2022-02-18 14:15:20,366 INFO L78 Accepts]: Start accepts. Automaton has 49333 states and 139908 transitions. Word has length 170 [2022-02-18 14:15:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:20,367 INFO L470 AbstractCegarLoop]: Abstraction has 49333 states and 139908 transitions. [2022-02-18 14:15:20,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 49333 states and 139908 transitions. [2022-02-18 14:15:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-18 14:15:20,452 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:20,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:20,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-18 14:15:20,452 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:20,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash 985344181, now seen corresponding path program 1 times [2022-02-18 14:15:20,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:20,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979177229] [2022-02-18 14:15:20,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:20,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:20,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:20,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979177229] [2022-02-18 14:15:20,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979177229] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 14:15:20,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449170067] [2022-02-18 14:15:20,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:20,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:15:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:15:20,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 14:15:20,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-18 14:15:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:20,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-18 14:15:20,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 14:15:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:20,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 14:15:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:15:21,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449170067] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 14:15:21,485 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 14:15:21,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-02-18 14:15:21,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727462179] [2022-02-18 14:15:21,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 14:15:21,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 14:15:21,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:21,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 14:15:21,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-02-18 14:15:21,486 INFO L87 Difference]: Start difference. First operand 49333 states and 139908 transitions. Second operand has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:21,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:21,837 INFO L93 Difference]: Finished difference Result 49347 states and 139922 transitions. [2022-02-18 14:15:21,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 14:15:21,838 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2022-02-18 14:15:21,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:21,947 INFO L225 Difference]: With dead ends: 49347 [2022-02-18 14:15:21,947 INFO L226 Difference]: Without dead ends: 49347 [2022-02-18 14:15:21,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2022-02-18 14:15:21,948 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 807 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:21,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 1328 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49347 states. [2022-02-18 14:15:22,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49347 to 49347. [2022-02-18 14:15:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49347 states, 49346 states have (on average 2.8355287156000486) internal successors, (139922), 49346 states have internal predecessors, (139922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:23,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49347 states to 49347 states and 139922 transitions. [2022-02-18 14:15:23,139 INFO L78 Accepts]: Start accepts. Automaton has 49347 states and 139922 transitions. Word has length 177 [2022-02-18 14:15:23,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:23,139 INFO L470 AbstractCegarLoop]: Abstraction has 49347 states and 139922 transitions. [2022-02-18 14:15:23,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.285714285714286) internal successors, (214), 14 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 49347 states and 139922 transitions. [2022-02-18 14:15:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-02-18 14:15:23,216 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:23,216 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:23,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-18 14:15:23,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:15:23,432 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:23,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:23,433 INFO L85 PathProgramCache]: Analyzing trace with hash 936022165, now seen corresponding path program 2 times [2022-02-18 14:15:23,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:23,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344637290] [2022-02-18 14:15:23,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:23,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:23,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:23,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:23,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344637290] [2022-02-18 14:15:23,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344637290] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:23,532 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:23,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-18 14:15:23,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288406537] [2022-02-18 14:15:23,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:23,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 14:15:23,533 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:23,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 14:15:23,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-18 14:15:23,533 INFO L87 Difference]: Start difference. First operand 49347 states and 139922 transitions. Second operand has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:23,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:23,884 INFO L93 Difference]: Finished difference Result 49371 states and 139947 transitions. [2022-02-18 14:15:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 14:15:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-02-18 14:15:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:23,989 INFO L225 Difference]: With dead ends: 49371 [2022-02-18 14:15:23,989 INFO L226 Difference]: Without dead ends: 49140 [2022-02-18 14:15:23,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-02-18 14:15:23,992 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 42 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:23,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 1880 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:24,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49140 states. [2022-02-18 14:15:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49140 to 49129. [2022-02-18 14:15:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49129 states, 49128 states have (on average 2.8362440970525973) internal successors, (139339), 49128 states have internal predecessors, (139339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49129 states to 49129 states and 139339 transitions. [2022-02-18 14:15:25,232 INFO L78 Accepts]: Start accepts. Automaton has 49129 states and 139339 transitions. Word has length 191 [2022-02-18 14:15:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:25,234 INFO L470 AbstractCegarLoop]: Abstraction has 49129 states and 139339 transitions. [2022-02-18 14:15:25,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 49129 states and 139339 transitions. [2022-02-18 14:15:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-02-18 14:15:25,317 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:25,318 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:25,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 14:15:25,318 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1646631921, now seen corresponding path program 1 times [2022-02-18 14:15:25,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:25,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900248550] [2022-02-18 14:15:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:25,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:25,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900248550] [2022-02-18 14:15:25,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900248550] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:25,435 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:25,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 14:15:25,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912420028] [2022-02-18 14:15:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:25,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 14:15:25,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 14:15:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 14:15:25,436 INFO L87 Difference]: Start difference. First operand 49129 states and 139339 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:25,934 INFO L93 Difference]: Finished difference Result 65156 states and 184980 transitions. [2022-02-18 14:15:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 14:15:25,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-02-18 14:15:25,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:26,075 INFO L225 Difference]: With dead ends: 65156 [2022-02-18 14:15:26,075 INFO L226 Difference]: Without dead ends: 65156 [2022-02-18 14:15:26,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:15:26,077 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 273 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:26,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 1252 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:26,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65156 states. [2022-02-18 14:15:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65156 to 52459. [2022-02-18 14:15:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52459 states, 52458 states have (on average 2.8411681726333446) internal successors, (149042), 52458 states have internal predecessors, (149042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52459 states to 52459 states and 149042 transitions. [2022-02-18 14:15:27,521 INFO L78 Accepts]: Start accepts. Automaton has 52459 states and 149042 transitions. Word has length 209 [2022-02-18 14:15:27,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:27,522 INFO L470 AbstractCegarLoop]: Abstraction has 52459 states and 149042 transitions. [2022-02-18 14:15:27,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 52459 states and 149042 transitions. [2022-02-18 14:15:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-02-18 14:15:27,619 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:27,619 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:27,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 14:15:27,620 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash 321311817, now seen corresponding path program 1 times [2022-02-18 14:15:27,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:27,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587300029] [2022-02-18 14:15:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:27,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:27,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587300029] [2022-02-18 14:15:27,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587300029] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:27,707 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:27,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 14:15:27,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106386457] [2022-02-18 14:15:27,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:27,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 14:15:27,707 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 14:15:27,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 14:15:27,708 INFO L87 Difference]: Start difference. First operand 52459 states and 149042 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:28,239 INFO L93 Difference]: Finished difference Result 60035 states and 170619 transitions. [2022-02-18 14:15:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 14:15:28,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-02-18 14:15:28,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:28,402 INFO L225 Difference]: With dead ends: 60035 [2022-02-18 14:15:28,402 INFO L226 Difference]: Without dead ends: 59787 [2022-02-18 14:15:28,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:15:28,403 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 331 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:28,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 1277 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:28,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59787 states. [2022-02-18 14:15:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59787 to 52211. [2022-02-18 14:15:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52211 states, 52210 states have (on average 2.8343229266424057) internal successors, (147980), 52210 states have internal predecessors, (147980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52211 states to 52211 states and 147980 transitions. [2022-02-18 14:15:29,531 INFO L78 Accepts]: Start accepts. Automaton has 52211 states and 147980 transitions. Word has length 211 [2022-02-18 14:15:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:29,531 INFO L470 AbstractCegarLoop]: Abstraction has 52211 states and 147980 transitions. [2022-02-18 14:15:29,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 52211 states and 147980 transitions. [2022-02-18 14:15:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-02-18 14:15:29,858 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:29,858 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] [2022-02-18 14:15:29,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 14:15:29,859 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:29,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1324597160, now seen corresponding path program 1 times [2022-02-18 14:15:29,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:29,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116564905] [2022-02-18 14:15:29,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:29,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:29,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:29,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116564905] [2022-02-18 14:15:29,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116564905] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:29,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:29,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 14:15:29,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541564532] [2022-02-18 14:15:29,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:29,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-18 14:15:29,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:29,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-18 14:15:29,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:15:29,941 INFO L87 Difference]: Start difference. First operand 52211 states and 147980 transitions. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:30,343 INFO L93 Difference]: Finished difference Result 63336 states and 178591 transitions. [2022-02-18 14:15:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 14:15:30,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-02-18 14:15:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:30,477 INFO L225 Difference]: With dead ends: 63336 [2022-02-18 14:15:30,477 INFO L226 Difference]: Without dead ends: 62856 [2022-02-18 14:15:30,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-18 14:15:30,478 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 591 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:30,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 2246 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62856 states. [2022-02-18 14:15:31,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62856 to 51731. [2022-02-18 14:15:31,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51731 states, 51730 states have (on average 2.8274115600231973) internal successors, (146262), 51730 states have internal predecessors, (146262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51731 states to 51731 states and 146262 transitions. [2022-02-18 14:15:31,939 INFO L78 Accepts]: Start accepts. Automaton has 51731 states and 146262 transitions. Word has length 211 [2022-02-18 14:15:31,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:31,939 INFO L470 AbstractCegarLoop]: Abstraction has 51731 states and 146262 transitions. [2022-02-18 14:15:31,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 51731 states and 146262 transitions. [2022-02-18 14:15:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:32,034 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:32,034 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:32,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-18 14:15:32,034 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:32,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:32,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1869389102, now seen corresponding path program 1 times [2022-02-18 14:15:32,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:32,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812524393] [2022-02-18 14:15:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:32,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:32,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:32,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812524393] [2022-02-18 14:15:32,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812524393] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:32,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:32,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 14:15:32,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123212086] [2022-02-18 14:15:32,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:32,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 14:15:32,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:32,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 14:15:32,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 14:15:32,124 INFO L87 Difference]: Start difference. First operand 51731 states and 146262 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:32,840 INFO L93 Difference]: Finished difference Result 68105 states and 191781 transitions. [2022-02-18 14:15:32,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 14:15:32,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:15:32,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:33,011 INFO L225 Difference]: With dead ends: 68105 [2022-02-18 14:15:33,011 INFO L226 Difference]: Without dead ends: 68105 [2022-02-18 14:15:33,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:15:33,012 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 826 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:33,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [826 Valid, 3101 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:33,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68105 states. [2022-02-18 14:15:34,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68105 to 55091. [2022-02-18 14:15:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55091 states, 55090 states have (on average 2.8245961154474495) internal successors, (155607), 55090 states have internal predecessors, (155607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55091 states to 55091 states and 155607 transitions. [2022-02-18 14:15:34,500 INFO L78 Accepts]: Start accepts. Automaton has 55091 states and 155607 transitions. Word has length 219 [2022-02-18 14:15:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:34,500 INFO L470 AbstractCegarLoop]: Abstraction has 55091 states and 155607 transitions. [2022-02-18 14:15:34,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 55091 states and 155607 transitions. [2022-02-18 14:15:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:34,605 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:34,605 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:34,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-18 14:15:34,605 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:34,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:34,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930734, now seen corresponding path program 1 times [2022-02-18 14:15:34,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:34,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460274660] [2022-02-18 14:15:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:34,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:34,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:34,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460274660] [2022-02-18 14:15:34,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460274660] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:34,671 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:34,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 14:15:34,672 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901064724] [2022-02-18 14:15:34,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:34,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 14:15:34,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:34,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 14:15:34,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 14:15:34,673 INFO L87 Difference]: Start difference. First operand 55091 states and 155607 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:35,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:35,372 INFO L93 Difference]: Finished difference Result 94832 states and 268230 transitions. [2022-02-18 14:15:35,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 14:15:35,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:15:35,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:35,633 INFO L225 Difference]: With dead ends: 94832 [2022-02-18 14:15:35,633 INFO L226 Difference]: Without dead ends: 94832 [2022-02-18 14:15:35,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:15:35,634 INFO L933 BasicCegarLoop]: 778 mSDtfsCounter, 561 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 3201 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:35,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 3201 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:35,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94832 states. [2022-02-18 14:15:37,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94832 to 81367. [2022-02-18 14:15:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81367 states, 81366 states have (on average 2.8368606051667773) internal successors, (230824), 81366 states have internal predecessors, (230824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81367 states to 81367 states and 230824 transitions. [2022-02-18 14:15:37,734 INFO L78 Accepts]: Start accepts. Automaton has 81367 states and 230824 transitions. Word has length 219 [2022-02-18 14:15:37,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:37,734 INFO L470 AbstractCegarLoop]: Abstraction has 81367 states and 230824 transitions. [2022-02-18 14:15:37,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 81367 states and 230824 transitions. [2022-02-18 14:15:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:37,892 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:37,897 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:37,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-18 14:15:37,898 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:37,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:37,898 INFO L85 PathProgramCache]: Analyzing trace with hash -351842088, now seen corresponding path program 1 times [2022-02-18 14:15:37,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:37,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592010388] [2022-02-18 14:15:37,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:37,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:37,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:37,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592010388] [2022-02-18 14:15:37,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592010388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:37,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:37,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 14:15:37,955 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289201872] [2022-02-18 14:15:37,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:37,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 14:15:37,955 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 14:15:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:37,956 INFO L87 Difference]: Start difference. First operand 81367 states and 230824 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:38,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:38,832 INFO L93 Difference]: Finished difference Result 124350 states and 350754 transitions. [2022-02-18 14:15:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 14:15:38,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:15:38,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:39,189 INFO L225 Difference]: With dead ends: 124350 [2022-02-18 14:15:39,189 INFO L226 Difference]: Without dead ends: 124350 [2022-02-18 14:15:39,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:39,190 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 190 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:39,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 740 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:15:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124350 states. [2022-02-18 14:15:41,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124350 to 82807. [2022-02-18 14:15:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82807 states, 82806 states have (on average 2.8358935342849554) internal successors, (234829), 82806 states have internal predecessors, (234829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82807 states to 82807 states and 234829 transitions. [2022-02-18 14:15:41,669 INFO L78 Accepts]: Start accepts. Automaton has 82807 states and 234829 transitions. Word has length 219 [2022-02-18 14:15:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:41,669 INFO L470 AbstractCegarLoop]: Abstraction has 82807 states and 234829 transitions. [2022-02-18 14:15:41,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 82807 states and 234829 transitions. [2022-02-18 14:15:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:41,821 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:41,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:41,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-18 14:15:41,821 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:41,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:41,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1165252210, now seen corresponding path program 1 times [2022-02-18 14:15:41,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:41,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515251191] [2022-02-18 14:15:41,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:41,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:41,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:41,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515251191] [2022-02-18 14:15:41,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515251191] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:41,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:41,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 14:15:41,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030460310] [2022-02-18 14:15:41,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:41,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 14:15:41,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:41,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 14:15:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:41,902 INFO L87 Difference]: Start difference. First operand 82807 states and 234829 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:42,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:42,906 INFO L93 Difference]: Finished difference Result 112830 states and 316794 transitions. [2022-02-18 14:15:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 14:15:42,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:15:42,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:43,216 INFO L225 Difference]: With dead ends: 112830 [2022-02-18 14:15:43,216 INFO L226 Difference]: Without dead ends: 112830 [2022-02-18 14:15:43,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:15:43,227 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 [2022-02-18 14:15:43,231 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] [2022-02-18 14:15:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112830 states. [2022-02-18 14:15:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112830 to 78967. [2022-02-18 14:15:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78967 states, 78966 states have (on average 2.8263936377681533) internal successors, (223189), 78966 states have internal predecessors, (223189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78967 states to 78967 states and 223189 transitions. [2022-02-18 14:15:45,569 INFO L78 Accepts]: Start accepts. Automaton has 78967 states and 223189 transitions. Word has length 219 [2022-02-18 14:15:45,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:45,570 INFO L470 AbstractCegarLoop]: Abstraction has 78967 states and 223189 transitions. [2022-02-18 14:15:45,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 78967 states and 223189 transitions. [2022-02-18 14:15:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:45,725 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:45,725 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:45,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-18 14:15:45,725 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:45,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:45,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1417626440, now seen corresponding path program 1 times [2022-02-18 14:15:45,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:45,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693740161] [2022-02-18 14:15:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:45,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:45,801 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:45,801 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693740161] [2022-02-18 14:15:45,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693740161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:45,802 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:45,802 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-18 14:15:45,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421572709] [2022-02-18 14:15:45,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:45,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 14:15:45,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 14:15:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-18 14:15:45,803 INFO L87 Difference]: Start difference. First operand 78967 states and 223189 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:46,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:46,730 INFO L93 Difference]: Finished difference Result 95828 states and 269790 transitions. [2022-02-18 14:15:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 14:15:46,731 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 [2022-02-18 14:15:46,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:46,983 INFO L225 Difference]: With dead ends: 95828 [2022-02-18 14:15:46,984 INFO L226 Difference]: Without dead ends: 95828 [2022-02-18 14:15:46,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2022-02-18 14:15:46,984 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 632 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 3800 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:46,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 3800 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:47,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95828 states. [2022-02-18 14:15:48,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95828 to 88121. [2022-02-18 14:15:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88121 states, 88120 states have (on average 2.827019972764412) internal successors, (249117), 88120 states have internal predecessors, (249117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:49,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88121 states to 88121 states and 249117 transitions. [2022-02-18 14:15:49,248 INFO L78 Accepts]: Start accepts. Automaton has 88121 states and 249117 transitions. Word has length 219 [2022-02-18 14:15:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:49,249 INFO L470 AbstractCegarLoop]: Abstraction has 88121 states and 249117 transitions. [2022-02-18 14:15:49,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 88121 states and 249117 transitions. [2022-02-18 14:15:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:49,415 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:49,415 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:49,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-18 14:15:49,415 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:49,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:49,419 INFO L85 PathProgramCache]: Analyzing trace with hash 49503480, now seen corresponding path program 1 times [2022-02-18 14:15:49,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:49,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183967795] [2022-02-18 14:15:49,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:49,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-18 14:15:49,537 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:49,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183967795] [2022-02-18 14:15:49,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183967795] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:49,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:49,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 14:15:49,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812512914] [2022-02-18 14:15:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:49,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-18 14:15:49,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:49,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-18 14:15:49,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:15:49,539 INFO L87 Difference]: Start difference. First operand 88121 states and 249117 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:50,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:50,517 INFO L93 Difference]: Finished difference Result 117892 states and 333478 transitions. [2022-02-18 14:15:50,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 14:15:50,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:15:50,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:50,861 INFO L225 Difference]: With dead ends: 117892 [2022-02-18 14:15:50,861 INFO L226 Difference]: Without dead ends: 117424 [2022-02-18 14:15:50,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-18 14:15:50,862 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 [2022-02-18 14:15:50,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 4110 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:51,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117424 states. [2022-02-18 14:15:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117424 to 103643. [2022-02-18 14:15:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103643 states, 103642 states have (on average 2.8399394068041914) internal successors, (294337), 103642 states have internal predecessors, (294337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103643 states to 103643 states and 294337 transitions. [2022-02-18 14:15:53,944 INFO L78 Accepts]: Start accepts. Automaton has 103643 states and 294337 transitions. Word has length 219 [2022-02-18 14:15:53,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:53,945 INFO L470 AbstractCegarLoop]: Abstraction has 103643 states and 294337 transitions. [2022-02-18 14:15:53,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 103643 states and 294337 transitions. [2022-02-18 14:15:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:54,152 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:54,152 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:54,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-18 14:15:54,153 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:54,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:54,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1433822421, now seen corresponding path program 1 times [2022-02-18 14:15:54,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:54,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733032613] [2022-02-18 14:15:54,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:54,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:54,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:54,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733032613] [2022-02-18 14:15:54,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733032613] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:54,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:54,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 14:15:54,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193573510] [2022-02-18 14:15:54,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:54,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 14:15:54,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:54,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 14:15:54,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 14:15:54,259 INFO L87 Difference]: Start difference. First operand 103643 states and 294337 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:15:55,289 INFO L93 Difference]: Finished difference Result 123784 states and 348990 transitions. [2022-02-18 14:15:55,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 14:15:55,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:15:55,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:15:55,627 INFO L225 Difference]: With dead ends: 123784 [2022-02-18 14:15:55,627 INFO L226 Difference]: Without dead ends: 123784 [2022-02-18 14:15:55,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:15:55,627 INFO L933 BasicCegarLoop]: 737 mSDtfsCounter, 806 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:15:55,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [806 Valid, 3101 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:15:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123784 states. [2022-02-18 14:15:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123784 to 110286. [2022-02-18 14:15:58,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110286 states, 110285 states have (on average 2.8379017998821237) internal successors, (312978), 110285 states have internal predecessors, (312978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110286 states to 110286 states and 312978 transitions. [2022-02-18 14:15:58,709 INFO L78 Accepts]: Start accepts. Automaton has 110286 states and 312978 transitions. Word has length 219 [2022-02-18 14:15:58,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:15:58,709 INFO L470 AbstractCegarLoop]: Abstraction has 110286 states and 312978 transitions. [2022-02-18 14:15:58,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:15:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 110286 states and 312978 transitions. [2022-02-18 14:15:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:15:58,935 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:15:58,935 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:15:58,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-18 14:15:58,935 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:15:58,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:15:58,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1765692267, now seen corresponding path program 1 times [2022-02-18 14:15:58,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:15:58,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390006104] [2022-02-18 14:15:58,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:15:58,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:15:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:15:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:15:59,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:15:59,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390006104] [2022-02-18 14:15:59,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390006104] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:15:59,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:15:59,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 14:15:59,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536032738] [2022-02-18 14:15:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:15:59,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 14:15:59,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:15:59,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 14:15:59,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 14:15:59,431 INFO L87 Difference]: Start difference. First operand 110286 states and 312978 transitions. Second operand has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:00,659 INFO L93 Difference]: Finished difference Result 188136 states and 536125 transitions. [2022-02-18 14:16:00,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 14:16:00,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:01,163 INFO L225 Difference]: With dead ends: 188136 [2022-02-18 14:16:01,164 INFO L226 Difference]: Without dead ends: 188136 [2022-02-18 14:16:01,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:16:01,165 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 552 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:01,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 3155 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:16:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188136 states. [2022-02-18 14:16:04,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188136 to 161546. [2022-02-18 14:16:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161546 states, 161545 states have (on average 2.857061499891671) internal successors, (461544), 161545 states have internal predecessors, (461544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161546 states to 161546 states and 461544 transitions. [2022-02-18 14:16:05,460 INFO L78 Accepts]: Start accepts. Automaton has 161546 states and 461544 transitions. Word has length 219 [2022-02-18 14:16:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:16:05,461 INFO L470 AbstractCegarLoop]: Abstraction has 161546 states and 461544 transitions. [2022-02-18 14:16:05,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 161546 states and 461544 transitions. [2022-02-18 14:16:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:16:06,192 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:16:06,192 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:16:06,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-18 14:16:06,193 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:16:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:16:06,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1899323211, now seen corresponding path program 1 times [2022-02-18 14:16:06,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:16:06,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506636595] [2022-02-18 14:16:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:16:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:16:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:16:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:16:06,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:16:06,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506636595] [2022-02-18 14:16:06,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506636595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:16:06,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:16:06,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 14:16:06,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648841536] [2022-02-18 14:16:06,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:16:06,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 14:16:06,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:16:06,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 14:16:06,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:16:06,225 INFO L87 Difference]: Start difference. First operand 161546 states and 461544 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:07,709 INFO L93 Difference]: Finished difference Result 245106 states and 697846 transitions. [2022-02-18 14:16:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 14:16:07,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:08,869 INFO L225 Difference]: With dead ends: 245106 [2022-02-18 14:16:08,870 INFO L226 Difference]: Without dead ends: 245106 [2022-02-18 14:16:08,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:16:08,870 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 189 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:08,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 740 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:16:09,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245106 states. [2022-02-18 14:16:12,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245106 to 164393. [2022-02-18 14:16:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164393 states, 164392 states have (on average 2.856179132804516) internal successors, (469533), 164392 states have internal predecessors, (469533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164393 states to 164393 states and 469533 transitions. [2022-02-18 14:16:14,007 INFO L78 Accepts]: Start accepts. Automaton has 164393 states and 469533 transitions. Word has length 219 [2022-02-18 14:16:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:16:14,007 INFO L470 AbstractCegarLoop]: Abstraction has 164393 states and 469533 transitions. [2022-02-18 14:16:14,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 164393 states and 469533 transitions. [2022-02-18 14:16:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:16:14,711 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:16:14,711 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:16:14,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-18 14:16:14,712 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:16:14,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:16:14,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1372911733, now seen corresponding path program 1 times [2022-02-18 14:16:14,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:16:14,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503988888] [2022-02-18 14:16:14,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:16:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:16:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:16:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:16:14,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:16:14,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503988888] [2022-02-18 14:16:14,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503988888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:16:14,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:16:14,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 14:16:14,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671690805] [2022-02-18 14:16:14,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:16:14,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 14:16:14,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:16:14,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 14:16:14,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:16:14,752 INFO L87 Difference]: Start difference. First operand 164393 states and 469533 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:16,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:16,655 INFO L93 Difference]: Finished difference Result 222330 states and 630138 transitions. [2022-02-18 14:16:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 14:16:16,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:17,706 INFO L225 Difference]: With dead ends: 222330 [2022-02-18 14:16:17,706 INFO L226 Difference]: Without dead ends: 222330 [2022-02-18 14:16:17,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 14:16:17,707 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 193 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:17,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 755 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:16:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222330 states. [2022-02-18 14:16:21,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222330 to 156801. [2022-02-18 14:16:21,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156801 states, 156800 states have (on average 2.846498724489796) internal successors, (446331), 156800 states have internal predecessors, (446331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156801 states to 156801 states and 446331 transitions. [2022-02-18 14:16:22,035 INFO L78 Accepts]: Start accepts. Automaton has 156801 states and 446331 transitions. Word has length 219 [2022-02-18 14:16:22,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:16:22,036 INFO L470 AbstractCegarLoop]: Abstraction has 156801 states and 446331 transitions. [2022-02-18 14:16:22,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 156801 states and 446331 transitions. [2022-02-18 14:16:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:16:22,766 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:16:22,766 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:16:22,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-18 14:16:22,767 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:16:22,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:16:22,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1239280789, now seen corresponding path program 1 times [2022-02-18 14:16:22,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:16:22,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196954054] [2022-02-18 14:16:22,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:16:22,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:16:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:16:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:16:22,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:16:22,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196954054] [2022-02-18 14:16:22,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196954054] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:16:22,816 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:16:22,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-18 14:16:22,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944238074] [2022-02-18 14:16:22,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:16:22,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 14:16:22,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:16:22,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 14:16:22,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-18 14:16:22,817 INFO L87 Difference]: Start difference. First operand 156801 states and 446331 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:24,311 INFO L93 Difference]: Finished difference Result 204043 states and 579554 transitions. [2022-02-18 14:16:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 14:16:24,312 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:24,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:25,352 INFO L225 Difference]: With dead ends: 204043 [2022-02-18 14:16:25,353 INFO L226 Difference]: Without dead ends: 204043 [2022-02-18 14:16:25,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2022-02-18 14:16:25,353 INFO L933 BasicCegarLoop]: 635 mSDtfsCounter, 753 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 3925 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:25,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 3925 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:16:25,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204043 states. [2022-02-18 14:16:29,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204043 to 177834. [2022-02-18 14:16:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177834 states, 177833 states have (on average 2.8511131229861726) internal successors, (507022), 177833 states have internal predecessors, (507022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177834 states to 177834 states and 507022 transitions. [2022-02-18 14:16:30,557 INFO L78 Accepts]: Start accepts. Automaton has 177834 states and 507022 transitions. Word has length 219 [2022-02-18 14:16:30,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:16:30,558 INFO L470 AbstractCegarLoop]: Abstraction has 177834 states and 507022 transitions. [2022-02-18 14:16:30,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 177834 states and 507022 transitions. [2022-02-18 14:16:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:16:30,960 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:16:30,967 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:16:30,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-18 14:16:30,968 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:16:30,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:16:30,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1960233899, now seen corresponding path program 1 times [2022-02-18 14:16:30,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:16:30,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174432213] [2022-02-18 14:16:30,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:16:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:16:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:16:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-18 14:16:31,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:16:31,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174432213] [2022-02-18 14:16:31,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174432213] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:16:31,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:16:31,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 14:16:31,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347335581] [2022-02-18 14:16:31,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:16:31,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-18 14:16:31,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:16:31,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-18 14:16:31,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:16:31,465 INFO L87 Difference]: Start difference. First operand 177834 states and 507022 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:32,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:32,945 INFO L93 Difference]: Finished difference Result 242468 states and 691849 transitions. [2022-02-18 14:16:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 14:16:32,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:32,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:34,082 INFO L225 Difference]: With dead ends: 242468 [2022-02-18 14:16:34,082 INFO L226 Difference]: Without dead ends: 242020 [2022-02-18 14:16:34,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-18 14:16:34,087 INFO L933 BasicCegarLoop]: 821 mSDtfsCounter, 597 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:34,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 4081 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:16:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242020 states. [2022-02-18 14:16:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242020 to 211881. [2022-02-18 14:16:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211881 states, 211880 states have (on average 2.8642344723428357) internal successors, (606874), 211880 states have internal predecessors, (606874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211881 states to 211881 states and 606874 transitions. [2022-02-18 14:16:40,442 INFO L78 Accepts]: Start accepts. Automaton has 211881 states and 606874 transitions. Word has length 219 [2022-02-18 14:16:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:16:40,442 INFO L470 AbstractCegarLoop]: Abstraction has 211881 states and 606874 transitions. [2022-02-18 14:16:40,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 211881 states and 606874 transitions. [2022-02-18 14:16:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:16:41,352 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:16:41,352 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:16:41,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-18 14:16:41,352 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:16:41,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:16:41,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1128697409, now seen corresponding path program 2 times [2022-02-18 14:16:41,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:16:41,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492560674] [2022-02-18 14:16:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:16:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:16:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:16:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:16:41,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:16:41,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492560674] [2022-02-18 14:16:41,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492560674] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:16:41,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:16:41,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-18 14:16:41,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965143455] [2022-02-18 14:16:41,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:16:41,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 14:16:41,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:16:41,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 14:16:41,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-18 14:16:41,447 INFO L87 Difference]: Start difference. First operand 211881 states and 606874 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:43,553 INFO L93 Difference]: Finished difference Result 243909 states and 695619 transitions. [2022-02-18 14:16:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 14:16:43,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:44,454 INFO L225 Difference]: With dead ends: 243909 [2022-02-18 14:16:44,454 INFO L226 Difference]: Without dead ends: 243909 [2022-02-18 14:16:44,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2022-02-18 14:16:44,455 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 858 mSDsluCounter, 3868 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:44,455 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] [2022-02-18 14:16:44,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243909 states. [2022-02-18 14:16:49,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243909 to 212569. [2022-02-18 14:16:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212569 states, 212568 states have (on average 2.864410447480336) internal successors, (608882), 212568 states have internal predecessors, (608882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212569 states to 212569 states and 608882 transitions. [2022-02-18 14:16:50,859 INFO L78 Accepts]: Start accepts. Automaton has 212569 states and 608882 transitions. Word has length 219 [2022-02-18 14:16:50,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:16:50,860 INFO L470 AbstractCegarLoop]: Abstraction has 212569 states and 608882 transitions. [2022-02-18 14:16:50,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 8 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 212569 states and 608882 transitions. [2022-02-18 14:16:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:16:51,892 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:16:51,892 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:16:51,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-18 14:16:51,892 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:16:51,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:16:51,893 INFO L85 PathProgramCache]: Analyzing trace with hash 992800157, now seen corresponding path program 3 times [2022-02-18 14:16:51,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:16:51,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221403140] [2022-02-18 14:16:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:16:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:16:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:16:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:16:51,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:16:51,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221403140] [2022-02-18 14:16:51,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221403140] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:16:51,955 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:16:51,955 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:16:51,955 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026608852] [2022-02-18 14:16:51,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:16:51,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:16:51,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:16:51,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:16:51,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:16:51,957 INFO L87 Difference]: Start difference. First operand 212569 states and 608882 transitions. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:16:53,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:16:53,883 INFO L93 Difference]: Finished difference Result 247416 states and 705820 transitions. [2022-02-18 14:16:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 14:16:53,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:16:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:16:55,030 INFO L225 Difference]: With dead ends: 247416 [2022-02-18 14:16:55,031 INFO L226 Difference]: Without dead ends: 247416 [2022-02-18 14:16:55,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2022-02-18 14:16:55,031 INFO L933 BasicCegarLoop]: 801 mSDtfsCounter, 960 mSDsluCounter, 4823 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 5567 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 14:16:55,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 5567 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 14:16:55,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247416 states. [2022-02-18 14:16:59,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247416 to 213089. [2022-02-18 14:17:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213089 states, 213088 states have (on average 2.8647272488361617) internal successors, (610439), 213088 states have internal predecessors, (610439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213089 states to 213089 states and 610439 transitions. [2022-02-18 14:17:01,230 INFO L78 Accepts]: Start accepts. Automaton has 213089 states and 610439 transitions. Word has length 219 [2022-02-18 14:17:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:01,231 INFO L470 AbstractCegarLoop]: Abstraction has 213089 states and 610439 transitions. [2022-02-18 14:17:01,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 213089 states and 610439 transitions. [2022-02-18 14:17:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-02-18 14:17:02,126 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:02,126 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:02,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-18 14:17:02,127 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:02,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:02,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1359510501, now seen corresponding path program 1 times [2022-02-18 14:17:02,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:02,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770781516] [2022-02-18 14:17:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:02,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:02,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:02,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770781516] [2022-02-18 14:17:02,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770781516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:02,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:02,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 14:17:02,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544564251] [2022-02-18 14:17:02,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:02,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 14:17:02,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:02,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 14:17:02,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-18 14:17:02,203 INFO L87 Difference]: Start difference. First operand 213089 states and 610439 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:03,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:03,680 INFO L93 Difference]: Finished difference Result 247476 states and 706893 transitions. [2022-02-18 14:17:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 14:17:03,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-02-18 14:17:03,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:04,842 INFO L225 Difference]: With dead ends: 247476 [2022-02-18 14:17:04,842 INFO L226 Difference]: Without dead ends: 247476 [2022-02-18 14:17:04,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:17:04,844 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 [2022-02-18 14:17:04,844 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] [2022-02-18 14:17:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247476 states. [2022-02-18 14:17:09,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247476 to 210927. [2022-02-18 14:17:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210927 states, 210926 states have (on average 2.8607473711159366) internal successors, (603406), 210926 states have internal predecessors, (603406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210927 states to 210927 states and 603406 transitions. [2022-02-18 14:17:10,930 INFO L78 Accepts]: Start accepts. Automaton has 210927 states and 603406 transitions. Word has length 219 [2022-02-18 14:17:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:10,931 INFO L470 AbstractCegarLoop]: Abstraction has 210927 states and 603406 transitions. [2022-02-18 14:17:10,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 210927 states and 603406 transitions. [2022-02-18 14:17:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:11,351 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:11,351 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:11,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-18 14:17:11,352 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:11,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:11,352 INFO L85 PathProgramCache]: Analyzing trace with hash -316070390, now seen corresponding path program 1 times [2022-02-18 14:17:11,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:11,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393407138] [2022-02-18 14:17:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:11,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:11,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:11,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393407138] [2022-02-18 14:17:11,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393407138] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:11,548 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:11,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:11,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993129475] [2022-02-18 14:17:11,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:11,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:11,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:11,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:11,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:11,549 INFO L87 Difference]: Start difference. First operand 210927 states and 603406 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:12,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:12,927 INFO L93 Difference]: Finished difference Result 120214 states and 339290 transitions. [2022-02-18 14:17:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 14:17:12,927 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:13,304 INFO L225 Difference]: With dead ends: 120214 [2022-02-18 14:17:13,304 INFO L226 Difference]: Without dead ends: 114214 [2022-02-18 14:17:13,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-02-18 14:17:13,305 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, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 14:17:13,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 4707 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 14:17:13,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114214 states. [2022-02-18 14:17:15,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114214 to 109965. [2022-02-18 14:17:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109965 states, 109964 states have (on average 2.8333636462842384) internal successors, (311568), 109964 states have internal predecessors, (311568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109965 states to 109965 states and 311568 transitions. [2022-02-18 14:17:16,302 INFO L78 Accepts]: Start accepts. Automaton has 109965 states and 311568 transitions. Word has length 221 [2022-02-18 14:17:16,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:16,303 INFO L470 AbstractCegarLoop]: Abstraction has 109965 states and 311568 transitions. [2022-02-18 14:17:16,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 109965 states and 311568 transitions. [2022-02-18 14:17:16,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:16,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:16,539 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:16,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-18 14:17:16,539 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:16,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:16,540 INFO L85 PathProgramCache]: Analyzing trace with hash 804265670, now seen corresponding path program 1 times [2022-02-18 14:17:16,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:16,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46607700] [2022-02-18 14:17:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:16,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:16,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:16,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46607700] [2022-02-18 14:17:16,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46607700] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:16,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:16,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:16,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269155261] [2022-02-18 14:17:16,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:16,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:16,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:16,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:16,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:16,634 INFO L87 Difference]: Start difference. First operand 109965 states and 311568 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:18,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:18,177 INFO L93 Difference]: Finished difference Result 179622 states and 505127 transitions. [2022-02-18 14:17:18,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 14:17:18,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:18,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:18,937 INFO L225 Difference]: With dead ends: 179622 [2022-02-18 14:17:18,938 INFO L226 Difference]: Without dead ends: 179397 [2022-02-18 14:17:18,939 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 [2022-02-18 14:17:18,939 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 726 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 6017 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 14:17:18,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 6017 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 14:17:19,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179397 states. [2022-02-18 14:17:22,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179397 to 110013. [2022-02-18 14:17:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110013 states, 110012 states have (on average 2.8332545540486493) internal successors, (311692), 110012 states have internal predecessors, (311692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:22,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311692 transitions. [2022-02-18 14:17:22,708 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311692 transitions. Word has length 221 [2022-02-18 14:17:22,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:22,709 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311692 transitions. [2022-02-18 14:17:22,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311692 transitions. [2022-02-18 14:17:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:23,334 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:23,334 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:23,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-18 14:17:23,334 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:23,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash -713339390, now seen corresponding path program 2 times [2022-02-18 14:17:23,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:23,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055007398] [2022-02-18 14:17:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:23,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:23,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055007398] [2022-02-18 14:17:23,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055007398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:23,476 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:23,476 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:23,476 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188801159] [2022-02-18 14:17:23,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:23,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:23,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:23,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:23,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:23,477 INFO L87 Difference]: Start difference. First operand 110013 states and 311692 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:24,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:24,743 INFO L93 Difference]: Finished difference Result 164012 states and 463624 transitions. [2022-02-18 14:17:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 14:17:24,744 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 [2022-02-18 14:17:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:25,159 INFO L225 Difference]: With dead ends: 164012 [2022-02-18 14:17:25,160 INFO L226 Difference]: Without dead ends: 163436 [2022-02-18 14:17:25,160 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 [2022-02-18 14:17:25,160 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 [2022-02-18 14:17:25,160 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] [2022-02-18 14:17:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163436 states. [2022-02-18 14:17:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163436 to 109973. [2022-02-18 14:17:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109973 states, 109972 states have (on average 2.833284836140108) internal successors, (311582), 109972 states have internal predecessors, (311582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:28,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109973 states to 109973 states and 311582 transitions. [2022-02-18 14:17:28,519 INFO L78 Accepts]: Start accepts. Automaton has 109973 states and 311582 transitions. Word has length 221 [2022-02-18 14:17:28,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:28,519 INFO L470 AbstractCegarLoop]: Abstraction has 109973 states and 311582 transitions. [2022-02-18 14:17:28,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 109973 states and 311582 transitions. [2022-02-18 14:17:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:29,474 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:29,474 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] [2022-02-18 14:17:29,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-18 14:17:29,474 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:29,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:29,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1509884272, now seen corresponding path program 3 times [2022-02-18 14:17:29,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:29,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214696621] [2022-02-18 14:17:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:29,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:29,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:29,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214696621] [2022-02-18 14:17:29,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214696621] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:29,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:29,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:29,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941302042] [2022-02-18 14:17:29,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:29,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:29,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:29,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:29,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:29,541 INFO L87 Difference]: Start difference. First operand 109973 states and 311582 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:30,228 INFO L93 Difference]: Finished difference Result 116827 states and 329554 transitions. [2022-02-18 14:17:30,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 14:17:30,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:30,827 INFO L225 Difference]: With dead ends: 116827 [2022-02-18 14:17:30,827 INFO L226 Difference]: Without dead ends: 116579 [2022-02-18 14:17:30,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:17:30,828 INFO L933 BasicCegarLoop]: 613 mSDtfsCounter, 374 mSDsluCounter, 3759 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 4328 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:17:30,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 4328 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:17:30,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116579 states. [2022-02-18 14:17:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116579 to 110193. [2022-02-18 14:17:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110193 states, 110192 states have (on average 2.8329007550457384) internal successors, (312163), 110192 states have internal predecessors, (312163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110193 states to 110193 states and 312163 transitions. [2022-02-18 14:17:33,855 INFO L78 Accepts]: Start accepts. Automaton has 110193 states and 312163 transitions. Word has length 221 [2022-02-18 14:17:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:33,855 INFO L470 AbstractCegarLoop]: Abstraction has 110193 states and 312163 transitions. [2022-02-18 14:17:33,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 110193 states and 312163 transitions. [2022-02-18 14:17:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:34,469 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:34,471 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:34,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-18 14:17:34,471 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1567264612, now seen corresponding path program 4 times [2022-02-18 14:17:34,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:34,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249998461] [2022-02-18 14:17:34,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:34,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:34,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:34,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249998461] [2022-02-18 14:17:34,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249998461] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:34,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:34,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:34,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542250233] [2022-02-18 14:17:34,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:34,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:34,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:34,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:34,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:34,540 INFO L87 Difference]: Start difference. First operand 110193 states and 312163 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:35,684 INFO L93 Difference]: Finished difference Result 148723 states and 419198 transitions. [2022-02-18 14:17:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 14:17:35,685 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:36,072 INFO L225 Difference]: With dead ends: 148723 [2022-02-18 14:17:36,073 INFO L226 Difference]: Without dead ends: 148630 [2022-02-18 14:17:36,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:17:36,073 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 448 mSDsluCounter, 4351 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 5039 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 14:17:36,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 5039 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 14:17:36,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148630 states. [2022-02-18 14:17:38,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148630 to 110265. [2022-02-18 14:17:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110265 states, 110264 states have (on average 2.832774069505913) internal successors, (312353), 110264 states have internal predecessors, (312353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110265 states to 110265 states and 312353 transitions. [2022-02-18 14:17:39,034 INFO L78 Accepts]: Start accepts. Automaton has 110265 states and 312353 transitions. Word has length 221 [2022-02-18 14:17:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:39,035 INFO L470 AbstractCegarLoop]: Abstraction has 110265 states and 312353 transitions. [2022-02-18 14:17:39,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 110265 states and 312353 transitions. [2022-02-18 14:17:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:39,241 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:39,241 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:39,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-18 14:17:39,241 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:39,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:39,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1217290516, now seen corresponding path program 5 times [2022-02-18 14:17:39,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:39,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095290310] [2022-02-18 14:17:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:39,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:39,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095290310] [2022-02-18 14:17:39,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095290310] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:39,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:39,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:39,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652801284] [2022-02-18 14:17:39,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:39,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:39,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:39,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:39,305 INFO L87 Difference]: Start difference. First operand 110265 states and 312353 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:40,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:40,656 INFO L93 Difference]: Finished difference Result 152088 states and 428381 transitions. [2022-02-18 14:17:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-18 14:17:40,656 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:40,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:41,090 INFO L225 Difference]: With dead ends: 152088 [2022-02-18 14:17:41,090 INFO L226 Difference]: Without dead ends: 152057 [2022-02-18 14:17:41,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-02-18 14:17:41,091 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 789 mSDsluCounter, 4209 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 4901 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 14:17:41,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [789 Valid, 4901 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 14:17:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152057 states. [2022-02-18 14:17:43,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152057 to 110301. [2022-02-18 14:17:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110301 states, 110300 states have (on average 2.832710788757933) internal successors, (312448), 110300 states have internal predecessors, (312448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110301 states to 110301 states and 312448 transitions. [2022-02-18 14:17:44,402 INFO L78 Accepts]: Start accepts. Automaton has 110301 states and 312448 transitions. Word has length 221 [2022-02-18 14:17:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:44,403 INFO L470 AbstractCegarLoop]: Abstraction has 110301 states and 312448 transitions. [2022-02-18 14:17:44,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 110301 states and 312448 transitions. [2022-02-18 14:17:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:44,998 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:44,998 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:44,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-18 14:17:44,998 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:44,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1388679536, now seen corresponding path program 6 times [2022-02-18 14:17:44,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:44,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027849831] [2022-02-18 14:17:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:45,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:45,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027849831] [2022-02-18 14:17:45,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027849831] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:45,098 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:45,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:45,098 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072829296] [2022-02-18 14:17:45,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:45,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:45,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:45,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:45,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:45,099 INFO L87 Difference]: Start difference. First operand 110301 states and 312448 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:46,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:46,354 INFO L93 Difference]: Finished difference Result 170389 states and 479293 transitions. [2022-02-18 14:17:46,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 14:17:46,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:46,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:46,761 INFO L225 Difference]: With dead ends: 170389 [2022-02-18 14:17:46,761 INFO L226 Difference]: Without dead ends: 162793 [2022-02-18 14:17:46,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-02-18 14:17:46,762 INFO L933 BasicCegarLoop]: 740 mSDtfsCounter, 1274 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-02-18 14:17:46,762 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] [2022-02-18 14:17:47,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162793 states. [2022-02-18 14:17:49,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162793 to 110013. [2022-02-18 14:17:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110013 states, 110012 states have (on average 2.832890957350107) internal successors, (311652), 110012 states have internal predecessors, (311652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110013 states to 110013 states and 311652 transitions. [2022-02-18 14:17:49,875 INFO L78 Accepts]: Start accepts. Automaton has 110013 states and 311652 transitions. Word has length 221 [2022-02-18 14:17:49,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:49,875 INFO L470 AbstractCegarLoop]: Abstraction has 110013 states and 311652 transitions. [2022-02-18 14:17:49,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 110013 states and 311652 transitions. [2022-02-18 14:17:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-18 14:17:50,095 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:50,095 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:50,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-18 14:17:50,095 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:50,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1535433892, now seen corresponding path program 7 times [2022-02-18 14:17:50,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:50,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785064811] [2022-02-18 14:17:50,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:50,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:50,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:50,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785064811] [2022-02-18 14:17:50,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785064811] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:50,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:50,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 14:17:50,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992373933] [2022-02-18 14:17:50,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:50,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 14:17:50,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:50,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 14:17:50,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-18 14:17:50,605 INFO L87 Difference]: Start difference. First operand 110013 states and 311652 transitions. Second operand has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:51,223 INFO L93 Difference]: Finished difference Result 93976 states and 266745 transitions. [2022-02-18 14:17:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 14:17:51,224 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-02-18 14:17:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:51,458 INFO L225 Difference]: With dead ends: 93976 [2022-02-18 14:17:51,458 INFO L226 Difference]: Without dead ends: 91945 [2022-02-18 14:17:51,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2022-02-18 14:17:51,460 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 [2022-02-18 14:17:51,460 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] [2022-02-18 14:17:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91945 states. [2022-02-18 14:17:53,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91945 to 88350. [2022-02-18 14:17:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88350 states, 88349 states have (on average 2.853229804525235) internal successors, (252080), 88349 states have internal predecessors, (252080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88350 states to 88350 states and 252080 transitions. [2022-02-18 14:17:53,723 INFO L78 Accepts]: Start accepts. Automaton has 88350 states and 252080 transitions. Word has length 221 [2022-02-18 14:17:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:53,723 INFO L470 AbstractCegarLoop]: Abstraction has 88350 states and 252080 transitions. [2022-02-18 14:17:53,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.0) internal successors, (207), 9 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 88350 states and 252080 transitions. [2022-02-18 14:17:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:17:54,211 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:54,211 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:54,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-18 14:17:54,211 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:54,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2038481490, now seen corresponding path program 1 times [2022-02-18 14:17:54,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:54,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808695889] [2022-02-18 14:17:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:54,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:54,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808695889] [2022-02-18 14:17:54,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808695889] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:54,400 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:54,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:17:54,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675042625] [2022-02-18 14:17:54,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:54,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:17:54,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:54,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:17:54,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:17:54,402 INFO L87 Difference]: Start difference. First operand 88350 states and 252080 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:56,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:17:56,556 INFO L93 Difference]: Finished difference Result 95814 states and 271412 transitions. [2022-02-18 14:17:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-18 14:17:56,556 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:17:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:17:56,769 INFO L225 Difference]: With dead ends: 95814 [2022-02-18 14:17:56,769 INFO L226 Difference]: Without dead ends: 95814 [2022-02-18 14:17:56,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=739, Invalid=1711, Unknown=0, NotChecked=0, Total=2450 [2022-02-18 14:17:56,770 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1610 mSDsluCounter, 8779 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 14:17:56,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1610 Valid, 9396 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 14:17:56,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95814 states. [2022-02-18 14:17:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95814 to 89971. [2022-02-18 14:17:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89971 states, 89970 states have (on average 2.8499499833277757) internal successors, (256410), 89970 states have internal predecessors, (256410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89971 states to 89971 states and 256410 transitions. [2022-02-18 14:17:59,006 INFO L78 Accepts]: Start accepts. Automaton has 89971 states and 256410 transitions. Word has length 231 [2022-02-18 14:17:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:17:59,006 INFO L470 AbstractCegarLoop]: Abstraction has 89971 states and 256410 transitions. [2022-02-18 14:17:59,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:17:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 89971 states and 256410 transitions. [2022-02-18 14:17:59,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:17:59,589 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:17:59,589 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:17:59,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-18 14:17:59,590 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:17:59,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:17:59,590 INFO L85 PathProgramCache]: Analyzing trace with hash -570498768, now seen corresponding path program 2 times [2022-02-18 14:17:59,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:17:59,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853762764] [2022-02-18 14:17:59,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:17:59,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:17:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:17:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:17:59,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:17:59,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853762764] [2022-02-18 14:17:59,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853762764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:17:59,754 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:17:59,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:17:59,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637810303] [2022-02-18 14:17:59,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:17:59,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:17:59,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:17:59,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:17:59,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:17:59,758 INFO L87 Difference]: Start difference. First operand 89971 states and 256410 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:01,496 INFO L93 Difference]: Finished difference Result 96019 states and 271904 transitions. [2022-02-18 14:18:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 14:18:01,496 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:01,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:01,873 INFO L225 Difference]: With dead ends: 96019 [2022-02-18 14:18:01,873 INFO L226 Difference]: Without dead ends: 96019 [2022-02-18 14:18:01,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=447, Invalid=1113, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 14:18:01,874 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1260 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:01,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 9399 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:18:02,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96019 states. [2022-02-18 14:18:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96019 to 90014. [2022-02-18 14:18:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-18 14:18:04,362 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-18 14:18:04,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:04,363 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-18 14:18:04,363 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) [2022-02-18 14:18:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-18 14:18:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:04,545 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:04,546 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] [2022-02-18 14:18:04,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-18 14:18:04,546 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:04,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:04,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1696541134, now seen corresponding path program 3 times [2022-02-18 14:18:04,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:04,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420641404] [2022-02-18 14:18:04,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:04,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:04,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:04,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420641404] [2022-02-18 14:18:04,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420641404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:04,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:04,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:04,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587000525] [2022-02-18 14:18:04,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:04,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:04,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:04,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:04,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:04,728 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:06,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:06,488 INFO L93 Difference]: Finished difference Result 96059 states and 272006 transitions. [2022-02-18 14:18:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:18:06,488 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:06,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:06,732 INFO L225 Difference]: With dead ends: 96059 [2022-02-18 14:18:06,732 INFO L226 Difference]: Without dead ends: 96059 [2022-02-18 14:18:06,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=475, Invalid=1247, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:18:06,733 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1253 mSDsluCounter, 8836 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 9456 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:06,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1253 Valid, 9456 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:18:07,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96059 states. [2022-02-18 14:18:08,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96059 to 90014. [2022-02-18 14:18:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-18 14:18:09,445 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-18 14:18:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:09,446 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-18 14:18:09,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-18 14:18:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:09,623 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:09,623 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:09,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-18 14:18:09,623 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:09,624 INFO L85 PathProgramCache]: Analyzing trace with hash 705975048, now seen corresponding path program 4 times [2022-02-18 14:18:09,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:09,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191640324] [2022-02-18 14:18:09,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:09,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:09,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:09,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191640324] [2022-02-18 14:18:09,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191640324] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:09,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:09,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:09,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722120581] [2022-02-18 14:18:09,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:09,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:09,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:09,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:09,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:09,812 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:11,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:11,667 INFO L93 Difference]: Finished difference Result 96159 states and 272261 transitions. [2022-02-18 14:18:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 14:18:11,667 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:11,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:11,906 INFO L225 Difference]: With dead ends: 96159 [2022-02-18 14:18:11,906 INFO L226 Difference]: Without dead ends: 96159 [2022-02-18 14:18:11,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=580, Invalid=1490, Unknown=0, NotChecked=0, Total=2070 [2022-02-18 14:18:11,908 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 1287 mSDsluCounter, 8875 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 9501 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:11,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1287 Valid, 9501 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 14:18:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96159 states. [2022-02-18 14:18:13,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96159 to 90014. [2022-02-18 14:18:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-18 14:18:14,443 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-18 14:18:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:14,444 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-18 14:18:14,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-18 14:18:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:14,627 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:14,627 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:14,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-18 14:18:14,628 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:14,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash 616985122, now seen corresponding path program 5 times [2022-02-18 14:18:14,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:14,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529322955] [2022-02-18 14:18:14,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:14,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:14,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529322955] [2022-02-18 14:18:14,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529322955] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:14,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:14,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:14,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114133713] [2022-02-18 14:18:14,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:14,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:14,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:14,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:14,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:14,831 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:16,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:16,810 INFO L93 Difference]: Finished difference Result 96313 states and 272559 transitions. [2022-02-18 14:18:16,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-18 14:18:16,810 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:17,094 INFO L225 Difference]: With dead ends: 96313 [2022-02-18 14:18:17,094 INFO L226 Difference]: Without dead ends: 96313 [2022-02-18 14:18:17,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=678, Invalid=1674, Unknown=0, NotChecked=0, Total=2352 [2022-02-18 14:18:17,095 INFO L933 BasicCegarLoop]: 775 mSDtfsCounter, 1366 mSDsluCounter, 9094 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 9743 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:17,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1366 Valid, 9743 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:18:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96313 states. [2022-02-18 14:18:18,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96313 to 90014. [2022-02-18 14:18:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90014 states, 90013 states have (on average 2.8498328019286103) internal successors, (256522), 90013 states have internal predecessors, (256522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90014 states to 90014 states and 256522 transitions. [2022-02-18 14:18:19,664 INFO L78 Accepts]: Start accepts. Automaton has 90014 states and 256522 transitions. Word has length 231 [2022-02-18 14:18:19,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:19,664 INFO L470 AbstractCegarLoop]: Abstraction has 90014 states and 256522 transitions. [2022-02-18 14:18:19,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 90014 states and 256522 transitions. [2022-02-18 14:18:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:19,841 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:19,841 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:19,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-18 14:18:19,842 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:19,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:19,842 INFO L85 PathProgramCache]: Analyzing trace with hash 968968608, now seen corresponding path program 6 times [2022-02-18 14:18:19,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:19,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827629197] [2022-02-18 14:18:19,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:20,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:20,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827629197] [2022-02-18 14:18:20,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827629197] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:20,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:20,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:20,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335526174] [2022-02-18 14:18:20,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:20,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:20,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:20,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:20,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:20,031 INFO L87 Difference]: Start difference. First operand 90014 states and 256522 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:21,730 INFO L93 Difference]: Finished difference Result 96312 states and 272666 transitions. [2022-02-18 14:18:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 14:18:21,730 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 [2022-02-18 14:18:21,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:21,984 INFO L225 Difference]: With dead ends: 96312 [2022-02-18 14:18:21,984 INFO L226 Difference]: Without dead ends: 96312 [2022-02-18 14:18:21,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=449, Invalid=1111, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 14:18:21,985 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 [2022-02-18 14:18:21,985 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] [2022-02-18 14:18:22,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96312 states. [2022-02-18 14:18:23,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96312 to 90046. [2022-02-18 14:18:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90046 states, 90045 states have (on average 2.849797323560442) internal successors, (256610), 90045 states have internal predecessors, (256610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90046 states to 90046 states and 256610 transitions. [2022-02-18 14:18:24,347 INFO L78 Accepts]: Start accepts. Automaton has 90046 states and 256610 transitions. Word has length 231 [2022-02-18 14:18:24,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:24,347 INFO L470 AbstractCegarLoop]: Abstraction has 90046 states and 256610 transitions. [2022-02-18 14:18:24,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 90046 states and 256610 transitions. [2022-02-18 14:18:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:24,877 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:24,877 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:24,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-18 14:18:24,877 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:24,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1058958786, now seen corresponding path program 7 times [2022-02-18 14:18:24,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:24,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752540607] [2022-02-18 14:18:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:25,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:25,044 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752540607] [2022-02-18 14:18:25,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752540607] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:25,044 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:25,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:25,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372971533] [2022-02-18 14:18:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:25,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:25,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:25,045 INFO L87 Difference]: Start difference. First operand 90046 states and 256610 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:26,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:26,581 INFO L93 Difference]: Finished difference Result 96356 states and 272779 transitions. [2022-02-18 14:18:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:18:26,582 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 [2022-02-18 14:18:26,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:26,835 INFO L225 Difference]: With dead ends: 96356 [2022-02-18 14:18:26,835 INFO L226 Difference]: Without dead ends: 96356 [2022-02-18 14:18:26,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=481, Invalid=1241, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:18:26,836 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:26,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 9391 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 14:18:27,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96356 states. [2022-02-18 14:18:28,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96356 to 90042. [2022-02-18 14:18:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90042 states, 90041 states have (on average 2.849801756977377) internal successors, (256599), 90041 states have internal predecessors, (256599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90042 states to 90042 states and 256599 transitions. [2022-02-18 14:18:29,240 INFO L78 Accepts]: Start accepts. Automaton has 90042 states and 256599 transitions. Word has length 231 [2022-02-18 14:18:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:29,240 INFO L470 AbstractCegarLoop]: Abstraction has 90042 states and 256599 transitions. [2022-02-18 14:18:29,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 90042 states and 256599 transitions. [2022-02-18 14:18:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:29,419 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:29,419 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:29,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-18 14:18:29,419 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:29,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:29,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2049524872, now seen corresponding path program 8 times [2022-02-18 14:18:29,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:29,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252262907] [2022-02-18 14:18:29,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:29,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:29,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:29,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252262907] [2022-02-18 14:18:29,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252262907] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:29,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:29,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:29,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794106529] [2022-02-18 14:18:29,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:29,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:29,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:29,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:29,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:29,574 INFO L87 Difference]: Start difference. First operand 90042 states and 256599 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:31,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:31,529 INFO L93 Difference]: Finished difference Result 96452 states and 273023 transitions. [2022-02-18 14:18:31,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 14:18:31,530 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:31,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:31,953 INFO L225 Difference]: With dead ends: 96452 [2022-02-18 14:18:31,953 INFO L226 Difference]: Without dead ends: 96452 [2022-02-18 14:18:31,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=590, Invalid=1480, Unknown=0, NotChecked=0, Total=2070 [2022-02-18 14:18:31,954 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1284 mSDsluCounter, 8816 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:31,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 9436 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-18 14:18:32,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96452 states. [2022-02-18 14:18:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96452 to 90030. [2022-02-18 14:18:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90030 states, 90029 states have (on average 2.849815059591909) internal successors, (256566), 90029 states have internal predecessors, (256566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90030 states to 90030 states and 256566 transitions. [2022-02-18 14:18:34,241 INFO L78 Accepts]: Start accepts. Automaton has 90030 states and 256566 transitions. Word has length 231 [2022-02-18 14:18:34,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:34,243 INFO L470 AbstractCegarLoop]: Abstraction has 90030 states and 256566 transitions. [2022-02-18 14:18:34,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 90030 states and 256566 transitions. [2022-02-18 14:18:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:34,421 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:34,421 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:34,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-18 14:18:34,422 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:34,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:34,422 INFO L85 PathProgramCache]: Analyzing trace with hash -2138514798, now seen corresponding path program 9 times [2022-02-18 14:18:34,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:34,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169898731] [2022-02-18 14:18:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:34,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:34,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:34,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169898731] [2022-02-18 14:18:34,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169898731] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:34,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:34,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:34,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297396460] [2022-02-18 14:18:34,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:34,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:34,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:34,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:34,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:34,628 INFO L87 Difference]: Start difference. First operand 90030 states and 256566 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:36,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:36,625 INFO L93 Difference]: Finished difference Result 96722 states and 273579 transitions. [2022-02-18 14:18:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-18 14:18:36,626 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:36,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:37,050 INFO L225 Difference]: With dead ends: 96722 [2022-02-18 14:18:37,051 INFO L226 Difference]: Without dead ends: 96722 [2022-02-18 14:18:37,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=690, Invalid=1662, Unknown=0, NotChecked=0, Total=2352 [2022-02-18 14:18:37,052 INFO L933 BasicCegarLoop]: 764 mSDtfsCounter, 1458 mSDsluCounter, 9001 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:37,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 9640 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:18:37,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96722 states. [2022-02-18 14:18:38,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96722 to 90026. [2022-02-18 14:18:39,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90026 states, 90025 states have (on average 2.8498194945848376) internal successors, (256555), 90025 states have internal predecessors, (256555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90026 states to 90026 states and 256555 transitions. [2022-02-18 14:18:39,681 INFO L78 Accepts]: Start accepts. Automaton has 90026 states and 256555 transitions. Word has length 231 [2022-02-18 14:18:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:39,681 INFO L470 AbstractCegarLoop]: Abstraction has 90026 states and 256555 transitions. [2022-02-18 14:18:39,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 90026 states and 256555 transitions. [2022-02-18 14:18:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:39,853 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:39,853 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:39,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-18 14:18:39,854 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1430232344, now seen corresponding path program 10 times [2022-02-18 14:18:39,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:39,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309458623] [2022-02-18 14:18:39,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:39,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:40,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:40,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309458623] [2022-02-18 14:18:40,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309458623] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:40,008 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:40,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:40,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609725742] [2022-02-18 14:18:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:40,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:40,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:40,009 INFO L87 Difference]: Start difference. First operand 90026 states and 256555 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:42,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:42,130 INFO L93 Difference]: Finished difference Result 96284 states and 272589 transitions. [2022-02-18 14:18:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:18:42,130 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:42,382 INFO L225 Difference]: With dead ends: 96284 [2022-02-18 14:18:42,382 INFO L226 Difference]: Without dead ends: 96284 [2022-02-18 14:18:42,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=495, Invalid=1227, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:18:42,383 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 1254 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:42,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 9332 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 14:18:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96284 states. [2022-02-18 14:18:44,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96284 to 90078. [2022-02-18 14:18:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90078 states, 90077 states have (on average 2.849761870399769) internal successors, (256698), 90077 states have internal predecessors, (256698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90078 states to 90078 states and 256698 transitions. [2022-02-18 14:18:44,762 INFO L78 Accepts]: Start accepts. Automaton has 90078 states and 256698 transitions. Word has length 231 [2022-02-18 14:18:44,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:44,769 INFO L470 AbstractCegarLoop]: Abstraction has 90078 states and 256698 transitions. [2022-02-18 14:18:44,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 90078 states and 256698 transitions. [2022-02-18 14:18:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:45,321 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:45,322 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:45,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-18 14:18:45,322 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:45,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:45,322 INFO L85 PathProgramCache]: Analyzing trace with hash -597695050, now seen corresponding path program 11 times [2022-02-18 14:18:45,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:45,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014894161] [2022-02-18 14:18:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:45,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:45,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:45,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014894161] [2022-02-18 14:18:45,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014894161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:45,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:45,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:45,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191092991] [2022-02-18 14:18:45,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:45,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:45,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:45,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:45,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:45,506 INFO L87 Difference]: Start difference. First operand 90078 states and 256698 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:47,299 INFO L93 Difference]: Finished difference Result 96294 states and 272617 transitions. [2022-02-18 14:18:47,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 14:18:47,299 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:47,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:47,606 INFO L225 Difference]: With dead ends: 96294 [2022-02-18 14:18:47,606 INFO L226 Difference]: Without dead ends: 96294 [2022-02-18 14:18:47,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=462, Invalid=1178, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 14:18:47,607 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 [2022-02-18 14:18:47,607 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] [2022-02-18 14:18:47,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96294 states. [2022-02-18 14:18:49,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96294 to 90074. [2022-02-18 14:18:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90074 states, 90073 states have (on average 2.8497663006672367) internal successors, (256687), 90073 states have internal predecessors, (256687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90074 states to 90074 states and 256687 transitions. [2022-02-18 14:18:49,977 INFO L78 Accepts]: Start accepts. Automaton has 90074 states and 256687 transitions. Word has length 231 [2022-02-18 14:18:49,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:49,977 INFO L470 AbstractCegarLoop]: Abstraction has 90074 states and 256687 transitions. [2022-02-18 14:18:49,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 90074 states and 256687 transitions. [2022-02-18 14:18:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:50,129 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:50,129 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:50,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-18 14:18:50,130 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:50,130 INFO L85 PathProgramCache]: Analyzing trace with hash -668602084, now seen corresponding path program 12 times [2022-02-18 14:18:50,130 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:50,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743993053] [2022-02-18 14:18:50,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:50,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:50,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:50,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743993053] [2022-02-18 14:18:50,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743993053] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:50,709 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:50,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:50,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644401316] [2022-02-18 14:18:50,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:50,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:50,710 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:50,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:50,710 INFO L87 Difference]: Start difference. First operand 90074 states and 256687 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:52,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:52,717 INFO L93 Difference]: Finished difference Result 96245 states and 272488 transitions. [2022-02-18 14:18:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-18 14:18:52,718 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:52,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:52,922 INFO L225 Difference]: With dead ends: 96245 [2022-02-18 14:18:52,923 INFO L226 Difference]: Without dead ends: 96245 [2022-02-18 14:18:52,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=563, Invalid=1329, Unknown=0, NotChecked=0, Total=1892 [2022-02-18 14:18:52,924 INFO L933 BasicCegarLoop]: 726 mSDtfsCounter, 1280 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:52,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1280 Valid, 9323 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 14:18:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96245 states. [2022-02-18 14:18:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96245 to 90143. [2022-02-18 14:18:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90143 states, 90142 states have (on average 2.849481928512791) internal successors, (256858), 90142 states have internal predecessors, (256858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-02-18 14:18:55,184 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-02-18 14:18:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:18:55,184 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-02-18 14:18:55,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-02-18 14:18:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:18:55,353 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:18:55,353 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:18:55,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-18 14:18:55,353 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:18:55,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:18:55,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1563055824, now seen corresponding path program 13 times [2022-02-18 14:18:55,354 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:18:55,354 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795745680] [2022-02-18 14:18:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:18:55,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:18:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:18:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:18:55,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:18:55,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795745680] [2022-02-18 14:18:55,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795745680] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:18:55,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:18:55,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:18:55,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317066246] [2022-02-18 14:18:55,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:18:55,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:18:55,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:18:55,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:18:55,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:18:55,494 INFO L87 Difference]: Start difference. First operand 90143 states and 256858 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:18:57,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:18:57,291 INFO L93 Difference]: Finished difference Result 96246 states and 272497 transitions. [2022-02-18 14:18:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 14:18:57,291 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:18:57,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:18:57,699 INFO L225 Difference]: With dead ends: 96246 [2022-02-18 14:18:57,699 INFO L226 Difference]: Without dead ends: 96246 [2022-02-18 14:18:57,704 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 [2022-02-18 14:18:57,705 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 1251 mSDsluCounter, 8722 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-02-18 14:18:57,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1251 Valid, 9336 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-18 14:18:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96246 states. [2022-02-18 14:18:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96246 to 90159. [2022-02-18 14:18:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-02-18 14:19:00,235 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-02-18 14:19:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:00,235 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-02-18 14:19:00,235 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) [2022-02-18 14:19:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-02-18 14:19:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:00,422 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:00,422 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:00,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-18 14:19:00,422 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:00,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash -464871570, now seen corresponding path program 14 times [2022-02-18 14:19:00,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:00,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316972745] [2022-02-18 14:19:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:00,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:00,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316972745] [2022-02-18 14:19:00,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316972745] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:00,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:00,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:00,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005629395] [2022-02-18 14:19:00,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:00,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:00,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:00,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:00,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:00,585 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:02,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:02,374 INFO L93 Difference]: Finished difference Result 96267 states and 272553 transitions. [2022-02-18 14:19:02,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:19:02,374 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:02,634 INFO L225 Difference]: With dead ends: 96267 [2022-02-18 14:19:02,634 INFO L226 Difference]: Without dead ends: 96267 [2022-02-18 14:19:02,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=486, Invalid=1236, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:19:02,635 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1245 mSDsluCounter, 8743 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9361 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:02,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1245 Valid, 9361 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:19:02,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96267 states. [2022-02-18 14:19:04,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96267 to 90155. [2022-02-18 14:19:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90155 states, 90154 states have (on average 2.8494686869135037) internal successors, (256891), 90154 states have internal predecessors, (256891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90155 states to 90155 states and 256891 transitions. [2022-02-18 14:19:05,069 INFO L78 Accepts]: Start accepts. Automaton has 90155 states and 256891 transitions. Word has length 231 [2022-02-18 14:19:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:05,070 INFO L470 AbstractCegarLoop]: Abstraction has 90155 states and 256891 transitions. [2022-02-18 14:19:05,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 90155 states and 256891 transitions. [2022-02-18 14:19:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:05,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:05,232 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:05,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-18 14:19:05,232 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1455437656, now seen corresponding path program 15 times [2022-02-18 14:19:05,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:05,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357711220] [2022-02-18 14:19:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:05,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:05,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357711220] [2022-02-18 14:19:05,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357711220] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:05,394 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:05,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:05,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322420957] [2022-02-18 14:19:05,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:05,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:05,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:05,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:05,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:05,395 INFO L87 Difference]: Start difference. First operand 90155 states and 256891 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:07,345 INFO L93 Difference]: Finished difference Result 96269 states and 272551 transitions. [2022-02-18 14:19:07,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-18 14:19:07,345 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:07,603 INFO L225 Difference]: With dead ends: 96269 [2022-02-18 14:19:07,603 INFO L226 Difference]: Without dead ends: 96269 [2022-02-18 14:19:07,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=572, Invalid=1408, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 14:19:07,604 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1272 mSDsluCounter, 8777 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:07,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 9399 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-18 14:19:07,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96269 states. [2022-02-18 14:19:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96269 to 90143. [2022-02-18 14:19:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90143 states, 90142 states have (on average 2.849481928512791) internal successors, (256858), 90142 states have internal predecessors, (256858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90143 states to 90143 states and 256858 transitions. [2022-02-18 14:19:10,276 INFO L78 Accepts]: Start accepts. Automaton has 90143 states and 256858 transitions. Word has length 231 [2022-02-18 14:19:10,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:10,277 INFO L470 AbstractCegarLoop]: Abstraction has 90143 states and 256858 transitions. [2022-02-18 14:19:10,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 90143 states and 256858 transitions. [2022-02-18 14:19:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:10,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:10,446 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:10,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-18 14:19:10,446 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:10,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1512394704, now seen corresponding path program 16 times [2022-02-18 14:19:10,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:10,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91092521] [2022-02-18 14:19:10,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:10,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:10,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91092521] [2022-02-18 14:19:10,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91092521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:10,623 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:10,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:10,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386398856] [2022-02-18 14:19:10,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:10,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:10,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:10,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:10,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:10,624 INFO L87 Difference]: Start difference. First operand 90143 states and 256858 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:12,395 INFO L93 Difference]: Finished difference Result 96654 states and 273452 transitions. [2022-02-18 14:19:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 14:19:12,395 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:12,648 INFO L225 Difference]: With dead ends: 96654 [2022-02-18 14:19:12,649 INFO L226 Difference]: Without dead ends: 96654 [2022-02-18 14:19:12,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=475, Invalid=1165, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 14:19:12,649 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1506 mSDsluCounter, 8670 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:12,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1506 Valid, 9280 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 14:19:12,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96654 states. [2022-02-18 14:19:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96654 to 90179. [2022-02-18 14:19:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90179 states, 90178 states have (on average 2.8494422142872984) internal successors, (256957), 90178 states have internal predecessors, (256957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-02-18 14:19:15,245 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-02-18 14:19:15,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:15,245 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-02-18 14:19:15,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-02-18 14:19:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:15,468 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:15,468 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:15,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-18 14:19:15,468 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:15,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:15,471 INFO L85 PathProgramCache]: Analyzing trace with hash 754645198, now seen corresponding path program 17 times [2022-02-18 14:19:15,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:15,472 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654405130] [2022-02-18 14:19:15,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:15,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:15,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:15,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654405130] [2022-02-18 14:19:15,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654405130] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:15,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:15,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:15,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707797443] [2022-02-18 14:19:15,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:15,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:15,608 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:15,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:15,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:15,608 INFO L87 Difference]: Start difference. First operand 90179 states and 256957 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:17,442 INFO L93 Difference]: Finished difference Result 96717 states and 273611 transitions. [2022-02-18 14:19:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 14:19:17,442 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:17,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:17,685 INFO L225 Difference]: With dead ends: 96717 [2022-02-18 14:19:17,685 INFO L226 Difference]: Without dead ends: 96717 [2022-02-18 14:19:17,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 14:19:17,686 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1494 mSDsluCounter, 8718 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:17,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1494 Valid, 9332 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:19:17,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96717 states. [2022-02-18 14:19:19,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96717 to 90175. [2022-02-18 14:19:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90175 states, 90174 states have (on average 2.84944662541309) internal successors, (256946), 90174 states have internal predecessors, (256946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-02-18 14:19:20,127 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-02-18 14:19:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:20,128 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-02-18 14:19:20,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-02-18 14:19:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:20,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:20,305 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:20,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-18 14:19:20,305 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash -235920888, now seen corresponding path program 18 times [2022-02-18 14:19:20,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:20,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526898877] [2022-02-18 14:19:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:20,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:20,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:20,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526898877] [2022-02-18 14:19:20,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526898877] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:20,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:20,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:20,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888165603] [2022-02-18 14:19:20,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:20,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:20,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:20,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:20,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:20,456 INFO L87 Difference]: Start difference. First operand 90175 states and 256946 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:22,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:22,210 INFO L93 Difference]: Finished difference Result 96809 states and 273844 transitions. [2022-02-18 14:19:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 14:19:22,210 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:22,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:22,463 INFO L225 Difference]: With dead ends: 96809 [2022-02-18 14:19:22,463 INFO L226 Difference]: Without dead ends: 96809 [2022-02-18 14:19:22,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-02-18 14:19:22,464 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 [2022-02-18 14:19:22,464 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] [2022-02-18 14:19:22,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96809 states. [2022-02-18 14:19:24,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96809 to 90163. [2022-02-18 14:19:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90163 states, 90162 states have (on average 2.849459861138839) internal successors, (256913), 90162 states have internal predecessors, (256913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-02-18 14:19:25,103 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-02-18 14:19:25,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:25,103 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-02-18 14:19:25,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-02-18 14:19:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:25,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:25,293 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:25,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-18 14:19:25,294 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:25,307 INFO L85 PathProgramCache]: Analyzing trace with hash -324910814, now seen corresponding path program 19 times [2022-02-18 14:19:25,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:25,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23615063] [2022-02-18 14:19:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:25,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:25,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:25,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23615063] [2022-02-18 14:19:25,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23615063] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:25,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:25,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:25,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53456400] [2022-02-18 14:19:25,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:25,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:25,453 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:25,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:25,453 INFO L87 Difference]: Start difference. First operand 90163 states and 256913 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:27,227 INFO L93 Difference]: Finished difference Result 96932 states and 274067 transitions. [2022-02-18 14:19:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-18 14:19:27,228 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:27,526 INFO L225 Difference]: With dead ends: 96932 [2022-02-18 14:19:27,526 INFO L226 Difference]: Without dead ends: 96932 [2022-02-18 14:19:27,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=729, Invalid=1721, Unknown=0, NotChecked=0, Total=2450 [2022-02-18 14:19:27,527 INFO L933 BasicCegarLoop]: 760 mSDtfsCounter, 1617 mSDsluCounter, 8901 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:27,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1617 Valid, 9541 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 14:19:27,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96932 states. [2022-02-18 14:19:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96932 to 90159. [2022-02-18 14:19:29,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-02-18 14:19:30,358 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-02-18 14:19:30,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:30,358 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-02-18 14:19:30,358 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) [2022-02-18 14:19:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-02-18 14:19:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:30,531 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:30,531 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:30,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-18 14:19:30,532 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:30,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1051130968, now seen corresponding path program 20 times [2022-02-18 14:19:30,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:30,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765835300] [2022-02-18 14:19:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:30,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:30,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:30,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765835300] [2022-02-18 14:19:30,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765835300] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:30,707 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:30,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:30,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455856236] [2022-02-18 14:19:30,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:30,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:30,707 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:30,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:30,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:30,708 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:32,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:32,608 INFO L93 Difference]: Finished difference Result 96887 states and 274078 transitions. [2022-02-18 14:19:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 14:19:32,609 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:32,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:32,862 INFO L225 Difference]: With dead ends: 96887 [2022-02-18 14:19:32,863 INFO L226 Difference]: Without dead ends: 96887 [2022-02-18 14:19:32,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 14:19:32,863 INFO L933 BasicCegarLoop]: 722 mSDtfsCounter, 1504 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 9278 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:32,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1504 Valid, 9278 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 14:19:33,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96887 states. [2022-02-18 14:19:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96887 to 90211. [2022-02-18 14:19:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-18 14:19:35,363 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-18 14:19:35,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:35,363 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-18 14:19:35,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-18 14:19:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:35,515 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:35,516 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:35,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-18 14:19:35,516 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1215908934, now seen corresponding path program 21 times [2022-02-18 14:19:35,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:35,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74211932] [2022-02-18 14:19:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:35,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:35,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74211932] [2022-02-18 14:19:35,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74211932] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:35,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:35,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:35,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687017724] [2022-02-18 14:19:35,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:35,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:35,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:35,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:35,654 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:37,458 INFO L93 Difference]: Finished difference Result 96897 states and 274106 transitions. [2022-02-18 14:19:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:19:37,458 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:37,692 INFO L225 Difference]: With dead ends: 96897 [2022-02-18 14:19:37,692 INFO L226 Difference]: Without dead ends: 96897 [2022-02-18 14:19:37,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=492, Invalid=1230, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:19:37,692 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 1492 mSDsluCounter, 8678 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:37,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1492 Valid, 9296 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:19:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96897 states. [2022-02-18 14:19:39,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96897 to 90207. [2022-02-18 14:19:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-18 14:19:40,099 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-18 14:19:40,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:40,099 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-18 14:19:40,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:40,100 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-18 14:19:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:40,565 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:40,565 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:40,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-18 14:19:40,565 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:40,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:40,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1145001900, now seen corresponding path program 22 times [2022-02-18 14:19:40,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:40,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382555321] [2022-02-18 14:19:40,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:40,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:40,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:40,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382555321] [2022-02-18 14:19:40,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382555321] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:40,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:40,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:40,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556986743] [2022-02-18 14:19:40,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:40,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:40,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:40,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:40,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:40,734 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:42,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:42,383 INFO L93 Difference]: Finished difference Result 96938 states and 274187 transitions. [2022-02-18 14:19:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-18 14:19:42,384 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:42,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:42,612 INFO L225 Difference]: With dead ends: 96938 [2022-02-18 14:19:42,612 INFO L226 Difference]: Without dead ends: 96938 [2022-02-18 14:19:42,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=589, Invalid=1391, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 14:19:42,613 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:42,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 9268 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 14:19:42,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96938 states. [2022-02-18 14:19:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96938 to 90195. [2022-02-18 14:19:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90195 states, 90194 states have (on average 2.849424573696698) internal successors, (257001), 90194 states have internal predecessors, (257001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-02-18 14:19:44,967 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-02-18 14:19:44,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:44,968 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-02-18 14:19:44,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-02-18 14:19:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:45,469 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:45,469 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:45,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-18 14:19:45,470 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:45,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:45,470 INFO L85 PathProgramCache]: Analyzing trace with hash -918307488, now seen corresponding path program 23 times [2022-02-18 14:19:45,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:45,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793773427] [2022-02-18 14:19:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:45,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:45,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793773427] [2022-02-18 14:19:45,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793773427] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:45,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:45,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:45,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205063508] [2022-02-18 14:19:45,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:45,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:45,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:45,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:45,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:45,625 INFO L87 Difference]: Start difference. First operand 90195 states and 257001 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:47,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:47,249 INFO L93 Difference]: Finished difference Result 96924 states and 274161 transitions. [2022-02-18 14:19:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:19:47,250 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:47,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:47,483 INFO L225 Difference]: With dead ends: 96924 [2022-02-18 14:19:47,483 INFO L226 Difference]: Without dead ends: 96924 [2022-02-18 14:19:47,483 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 [2022-02-18 14:19:47,484 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1501 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 9284 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:47,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1501 Valid, 9284 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:19:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96924 states. [2022-02-18 14:19:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96924 to 90211. [2022-02-18 14:19:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-18 14:19:50,061 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-18 14:19:50,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:50,061 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-18 14:19:50,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-18 14:19:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:50,218 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:50,218 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:50,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-18 14:19:50,218 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:50,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:50,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1348732414, now seen corresponding path program 24 times [2022-02-18 14:19:50,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:50,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138652549] [2022-02-18 14:19:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:50,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:50,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138652549] [2022-02-18 14:19:50,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138652549] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:50,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:50,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:50,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789367946] [2022-02-18 14:19:50,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:50,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:50,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:50,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:50,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:50,780 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:52,503 INFO L93 Difference]: Finished difference Result 96930 states and 274182 transitions. [2022-02-18 14:19:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 14:19:52,510 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:52,728 INFO L225 Difference]: With dead ends: 96930 [2022-02-18 14:19:52,728 INFO L226 Difference]: Without dead ends: 96930 [2022-02-18 14:19:52,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 14:19:52,729 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, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:52,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1495 Valid, 9306 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 14:19:52,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96930 states. [2022-02-18 14:19:54,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96930 to 90207. [2022-02-18 14:19:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-18 14:19:55,159 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-18 14:19:55,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:19:55,159 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-18 14:19:55,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-18 14:19:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:19:55,322 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:19:55,322 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:19:55,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-18 14:19:55,323 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:19:55,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:19:55,323 INFO L85 PathProgramCache]: Analyzing trace with hash 358166328, now seen corresponding path program 25 times [2022-02-18 14:19:55,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:19:55,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386992784] [2022-02-18 14:19:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:19:55,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:19:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:19:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:19:55,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:19:55,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386992784] [2022-02-18 14:19:55,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386992784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:19:55,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:19:55,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:19:55,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584222702] [2022-02-18 14:19:55,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:19:55,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:19:55,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:19:55,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:19:55,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:19:55,461 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:19:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:19:57,315 INFO L93 Difference]: Finished difference Result 96962 states and 274250 transitions. [2022-02-18 14:19:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 14:19:57,315 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:19:57,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:19:57,763 INFO L225 Difference]: With dead ends: 96962 [2022-02-18 14:19:57,764 INFO L226 Difference]: Without dead ends: 96962 [2022-02-18 14:19:57,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-02-18 14:19:57,764 INFO L933 BasicCegarLoop]: 728 mSDtfsCounter, 1522 mSDsluCounter, 8716 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 9340 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:19:57,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 9340 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:19:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96962 states. [2022-02-18 14:19:59,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96962 to 90147. [2022-02-18 14:19:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90147 states, 90146 states have (on average 2.8494775142546533) internal successors, (256869), 90146 states have internal predecessors, (256869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90147 states to 90147 states and 256869 transitions. [2022-02-18 14:20:00,252 INFO L78 Accepts]: Start accepts. Automaton has 90147 states and 256869 transitions. Word has length 231 [2022-02-18 14:20:00,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:00,253 INFO L470 AbstractCegarLoop]: Abstraction has 90147 states and 256869 transitions. [2022-02-18 14:20:00,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 90147 states and 256869 transitions. [2022-02-18 14:20:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:00,428 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:00,428 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:00,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-18 14:20:00,428 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:00,430 INFO L85 PathProgramCache]: Analyzing trace with hash 494457068, now seen corresponding path program 26 times [2022-02-18 14:20:00,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:00,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200873361] [2022-02-18 14:20:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:00,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:00,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:00,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200873361] [2022-02-18 14:20:00,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200873361] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:00,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:00,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:00,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878386902] [2022-02-18 14:20:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:00,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:00,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:00,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:00,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:00,586 INFO L87 Difference]: Start difference. First operand 90147 states and 256869 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:02,341 INFO L93 Difference]: Finished difference Result 96650 states and 273445 transitions. [2022-02-18 14:20:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 14:20:02,342 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:02,581 INFO L225 Difference]: With dead ends: 96650 [2022-02-18 14:20:02,581 INFO L226 Difference]: Without dead ends: 96650 [2022-02-18 14:20:02,582 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 [2022-02-18 14:20:02,582 INFO L933 BasicCegarLoop]: 718 mSDtfsCounter, 1497 mSDsluCounter, 8656 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:02,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1497 Valid, 9271 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-18 14:20:02,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96650 states. [2022-02-18 14:20:04,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96650 to 90211. [2022-02-18 14:20:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-18 14:20:05,049 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-18 14:20:05,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:05,049 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-18 14:20:05,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-18 14:20:05,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:05,212 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:05,212 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:05,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-18 14:20:05,212 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:05,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1533470326, now seen corresponding path program 27 times [2022-02-18 14:20:05,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:05,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815066932] [2022-02-18 14:20:05,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:05,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:05,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:05,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815066932] [2022-02-18 14:20:05,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815066932] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:05,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:05,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:05,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262981107] [2022-02-18 14:20:05,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:05,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:05,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:05,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:05,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:05,345 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:07,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:07,067 INFO L93 Difference]: Finished difference Result 96672 states and 273506 transitions. [2022-02-18 14:20:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:20:07,068 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:07,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:07,297 INFO L225 Difference]: With dead ends: 96672 [2022-02-18 14:20:07,297 INFO L226 Difference]: Without dead ends: 96672 [2022-02-18 14:20:07,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1225, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:20:07,298 INFO L933 BasicCegarLoop]: 716 mSDtfsCounter, 1485 mSDsluCounter, 8649 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:07,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1485 Valid, 9268 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96672 states. [2022-02-18 14:20:09,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96672 to 90207. [2022-02-18 14:20:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-18 14:20:09,982 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-18 14:20:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:09,982 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-18 14:20:09,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-18 14:20:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:10,144 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:10,144 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:10,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-18 14:20:10,144 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:10,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:10,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1604377360, now seen corresponding path program 28 times [2022-02-18 14:20:10,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:10,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700165500] [2022-02-18 14:20:10,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:10,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:10,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:10,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700165500] [2022-02-18 14:20:10,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700165500] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:10,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:10,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:10,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718301343] [2022-02-18 14:20:10,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:10,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:10,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:10,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:10,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:10,281 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:12,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:12,051 INFO L93 Difference]: Finished difference Result 96806 states and 273824 transitions. [2022-02-18 14:20:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 14:20:12,052 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:12,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:12,279 INFO L225 Difference]: With dead ends: 96806 [2022-02-18 14:20:12,279 INFO L226 Difference]: Without dead ends: 96806 [2022-02-18 14:20:12,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-02-18 14:20:12,280 INFO L933 BasicCegarLoop]: 727 mSDtfsCounter, 1529 mSDsluCounter, 8680 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 9298 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:12,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1529 Valid, 9298 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96806 states. [2022-02-18 14:20:14,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96806 to 90195. [2022-02-18 14:20:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90195 states, 90194 states have (on average 2.849424573696698) internal successors, (257001), 90194 states have internal predecessors, (257001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90195 states to 90195 states and 257001 transitions. [2022-02-18 14:20:14,885 INFO L78 Accepts]: Start accepts. Automaton has 90195 states and 257001 transitions. Word has length 231 [2022-02-18 14:20:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:14,886 INFO L470 AbstractCegarLoop]: Abstraction has 90195 states and 257001 transitions. [2022-02-18 14:20:14,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 90195 states and 257001 transitions. [2022-02-18 14:20:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:15,054 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:15,054 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] [2022-02-18 14:20:15,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-18 14:20:15,055 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:15,055 INFO L85 PathProgramCache]: Analyzing trace with hash -360441112, now seen corresponding path program 29 times [2022-02-18 14:20:15,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:15,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723084959] [2022-02-18 14:20:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:15,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:15,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:15,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723084959] [2022-02-18 14:20:15,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723084959] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:15,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:15,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:15,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950113139] [2022-02-18 14:20:15,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:15,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:15,198 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:15,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:15,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:15,199 INFO L87 Difference]: Start difference. First operand 90195 states and 257001 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:16,961 INFO L93 Difference]: Finished difference Result 96666 states and 273489 transitions. [2022-02-18 14:20:16,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:20:16,962 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:17,216 INFO L225 Difference]: With dead ends: 96666 [2022-02-18 14:20:17,217 INFO L226 Difference]: Without dead ends: 96666 [2022-02-18 14:20:17,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=492, Invalid=1230, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:20:17,217 INFO L933 BasicCegarLoop]: 720 mSDtfsCounter, 1490 mSDsluCounter, 8662 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 9279 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:17,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1490 Valid, 9279 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:17,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96666 states. [2022-02-18 14:20:19,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96666 to 90211. [2022-02-18 14:20:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90211 states, 90210 states have (on average 2.849406939363707) internal successors, (257045), 90210 states have internal predecessors, (257045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90211 states to 90211 states and 257045 transitions. [2022-02-18 14:20:19,696 INFO L78 Accepts]: Start accepts. Automaton has 90211 states and 257045 transitions. Word has length 231 [2022-02-18 14:20:19,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:19,696 INFO L470 AbstractCegarLoop]: Abstraction has 90211 states and 257045 transitions. [2022-02-18 14:20:19,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 90211 states and 257045 transitions. [2022-02-18 14:20:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:19,845 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:19,845 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:19,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-18 14:20:19,845 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:19,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1906598790, now seen corresponding path program 30 times [2022-02-18 14:20:19,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:19,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558681791] [2022-02-18 14:20:19,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:19,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:20,034 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:20,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558681791] [2022-02-18 14:20:20,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558681791] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:20,034 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:20,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:20,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324497532] [2022-02-18 14:20:20,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:20,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:20,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:20,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:20,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:20,035 INFO L87 Difference]: Start difference. First operand 90211 states and 257045 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:21,779 INFO L93 Difference]: Finished difference Result 96668 states and 273499 transitions. [2022-02-18 14:20:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 14:20:21,779 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:21,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:22,046 INFO L225 Difference]: With dead ends: 96668 [2022-02-18 14:20:22,046 INFO L226 Difference]: Without dead ends: 96668 [2022-02-18 14:20:22,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 14:20:22,047 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 1484 mSDsluCounter, 8661 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 9283 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:22,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1484 Valid, 9283 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:22,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-02-18 14:20:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90207. [2022-02-18 14:20:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90207 states, 90206 states have (on average 2.849411347360486) internal successors, (257034), 90206 states have internal predecessors, (257034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90207 states to 90207 states and 257034 transitions. [2022-02-18 14:20:24,302 INFO L78 Accepts]: Start accepts. Automaton has 90207 states and 257034 transitions. Word has length 231 [2022-02-18 14:20:24,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:24,302 INFO L470 AbstractCegarLoop]: Abstraction has 90207 states and 257034 transitions. [2022-02-18 14:20:24,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 90207 states and 257034 transitions. [2022-02-18 14:20:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:24,795 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:24,795 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:24,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-18 14:20:24,795 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash 916032704, now seen corresponding path program 31 times [2022-02-18 14:20:24,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:24,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784932240] [2022-02-18 14:20:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:24,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:24,937 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:24,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784932240] [2022-02-18 14:20:24,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784932240] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:24,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:24,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:24,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817190761] [2022-02-18 14:20:24,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:24,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:24,938 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:24,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:24,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:24,938 INFO L87 Difference]: Start difference. First operand 90207 states and 257034 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:26,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:26,693 INFO L93 Difference]: Finished difference Result 96668 states and 273491 transitions. [2022-02-18 14:20:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-18 14:20:26,694 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:26,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:26,911 INFO L225 Difference]: With dead ends: 96668 [2022-02-18 14:20:26,911 INFO L226 Difference]: Without dead ends: 96668 [2022-02-18 14:20:26,911 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 [2022-02-18 14:20:26,911 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 [2022-02-18 14:20:26,912 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] [2022-02-18 14:20:27,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96668 states. [2022-02-18 14:20:28,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96668 to 90159. [2022-02-18 14:20:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90159 states, 90158 states have (on average 2.8494642738303866) internal successors, (256902), 90158 states have internal predecessors, (256902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90159 states to 90159 states and 256902 transitions. [2022-02-18 14:20:29,304 INFO L78 Accepts]: Start accepts. Automaton has 90159 states and 256902 transitions. Word has length 231 [2022-02-18 14:20:29,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:29,304 INFO L470 AbstractCegarLoop]: Abstraction has 90159 states and 256902 transitions. [2022-02-18 14:20:29,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 90159 states and 256902 transitions. [2022-02-18 14:20:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:29,763 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:29,763 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:29,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-18 14:20:29,763 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:29,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash -987811792, now seen corresponding path program 32 times [2022-02-18 14:20:29,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:29,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929357273] [2022-02-18 14:20:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:29,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:29,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929357273] [2022-02-18 14:20:29,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929357273] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:29,923 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:29,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:29,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592992514] [2022-02-18 14:20:29,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:29,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:29,924 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:29,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:29,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:29,924 INFO L87 Difference]: Start difference. First operand 90159 states and 256902 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:31,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:31,537 INFO L93 Difference]: Finished difference Result 96478 states and 272984 transitions. [2022-02-18 14:20:31,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 14:20:31,537 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:31,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:31,748 INFO L225 Difference]: With dead ends: 96478 [2022-02-18 14:20:31,749 INFO L226 Difference]: Without dead ends: 96478 [2022-02-18 14:20:31,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=1295, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 14:20:31,750 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:31,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1489 Valid, 9295 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 14:20:31,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96478 states. [2022-02-18 14:20:33,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96478 to 90179. [2022-02-18 14:20:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90179 states, 90178 states have (on average 2.8494422142872984) internal successors, (256957), 90178 states have internal predecessors, (256957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90179 states to 90179 states and 256957 transitions. [2022-02-18 14:20:33,917 INFO L78 Accepts]: Start accepts. Automaton has 90179 states and 256957 transitions. Word has length 231 [2022-02-18 14:20:33,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:33,917 INFO L470 AbstractCegarLoop]: Abstraction has 90179 states and 256957 transitions. [2022-02-18 14:20:33,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 90179 states and 256957 transitions. [2022-02-18 14:20:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:34,337 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:34,337 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:34,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-18 14:20:34,338 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:34,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:34,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1279228110, now seen corresponding path program 33 times [2022-02-18 14:20:34,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:34,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136412189] [2022-02-18 14:20:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:34,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:34,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136412189] [2022-02-18 14:20:34,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136412189] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:34,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:34,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:34,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629101948] [2022-02-18 14:20:34,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:34,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:34,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:34,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:34,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:34,465 INFO L87 Difference]: Start difference. First operand 90179 states and 256957 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:36,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:36,140 INFO L93 Difference]: Finished difference Result 96456 states and 272932 transitions. [2022-02-18 14:20:36,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 14:20:36,140 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:36,420 INFO L225 Difference]: With dead ends: 96456 [2022-02-18 14:20:36,420 INFO L226 Difference]: Without dead ends: 96456 [2022-02-18 14:20:36,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=475, Invalid=1165, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 14:20:36,421 INFO L933 BasicCegarLoop]: 717 mSDtfsCounter, 1478 mSDsluCounter, 8664 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 9284 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:36,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1478 Valid, 9284 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:36,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96456 states. [2022-02-18 14:20:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96456 to 90175. [2022-02-18 14:20:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90175 states, 90174 states have (on average 2.84944662541309) internal successors, (256946), 90174 states have internal predecessors, (256946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90175 states to 90175 states and 256946 transitions. [2022-02-18 14:20:38,835 INFO L78 Accepts]: Start accepts. Automaton has 90175 states and 256946 transitions. Word has length 231 [2022-02-18 14:20:38,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:38,835 INFO L470 AbstractCegarLoop]: Abstraction has 90175 states and 256946 transitions. [2022-02-18 14:20:38,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 90175 states and 256946 transitions. [2022-02-18 14:20:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:39,012 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:39,012 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:39,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-18 14:20:39,012 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:39,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:39,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1208321076, now seen corresponding path program 34 times [2022-02-18 14:20:39,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:39,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087006527] [2022-02-18 14:20:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:39,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:39,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:39,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087006527] [2022-02-18 14:20:39,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087006527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:39,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:39,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:39,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853823541] [2022-02-18 14:20:39,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:39,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:39,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:39,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:39,133 INFO L87 Difference]: Start difference. First operand 90175 states and 256946 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:41,073 INFO L93 Difference]: Finished difference Result 96581 states and 273240 transitions. [2022-02-18 14:20:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 14:20:41,073 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:41,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:41,277 INFO L225 Difference]: With dead ends: 96581 [2022-02-18 14:20:41,277 INFO L226 Difference]: Without dead ends: 96581 [2022-02-18 14:20:41,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=624, Invalid=1538, Unknown=0, NotChecked=0, Total=2162 [2022-02-18 14:20:41,289 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 1530 mSDsluCounter, 8708 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 9328 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:41,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1530 Valid, 9328 Invalid, 1481 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 14:20:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96581 states. [2022-02-18 14:20:43,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96581 to 90163. [2022-02-18 14:20:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90163 states, 90162 states have (on average 2.849459861138839) internal successors, (256913), 90162 states have internal predecessors, (256913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90163 states to 90163 states and 256913 transitions. [2022-02-18 14:20:43,642 INFO L78 Accepts]: Start accepts. Automaton has 90163 states and 256913 transitions. Word has length 231 [2022-02-18 14:20:43,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:43,642 INFO L470 AbstractCegarLoop]: Abstraction has 90163 states and 256913 transitions. [2022-02-18 14:20:43,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 90163 states and 256913 transitions. [2022-02-18 14:20:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:43,799 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:43,800 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:43,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-18 14:20:43,800 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:43,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:43,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1359797848, now seen corresponding path program 35 times [2022-02-18 14:20:43,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:43,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250617108] [2022-02-18 14:20:43,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:43,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:43,970 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:43,970 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250617108] [2022-02-18 14:20:43,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250617108] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:43,970 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:43,970 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:43,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307631271] [2022-02-18 14:20:43,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:43,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:43,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:43,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:43,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:43,971 INFO L87 Difference]: Start difference. First operand 90163 states and 256913 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:45,808 INFO L93 Difference]: Finished difference Result 96278 states and 272508 transitions. [2022-02-18 14:20:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-18 14:20:45,808 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:45,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:46,222 INFO L225 Difference]: With dead ends: 96278 [2022-02-18 14:20:46,222 INFO L226 Difference]: Without dead ends: 96278 [2022-02-18 14:20:46,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=706, Invalid=1646, Unknown=0, NotChecked=0, Total=2352 [2022-02-18 14:20:46,223 INFO L933 BasicCegarLoop]: 730 mSDtfsCounter, 1500 mSDsluCounter, 8694 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:46,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 9318 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:46,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96278 states. [2022-02-18 14:20:48,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96278 to 90186. [2022-02-18 14:20:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90186 states, 90185 states have (on average 2.849365193768365) internal successors, (256970), 90185 states have internal predecessors, (256970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90186 states to 90186 states and 256970 transitions. [2022-02-18 14:20:48,562 INFO L78 Accepts]: Start accepts. Automaton has 90186 states and 256970 transitions. Word has length 231 [2022-02-18 14:20:48,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:48,562 INFO L470 AbstractCegarLoop]: Abstraction has 90186 states and 256970 transitions. [2022-02-18 14:20:48,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 90186 states and 256970 transitions. [2022-02-18 14:20:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:48,721 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:48,722 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:48,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-02-18 14:20:48,723 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:48,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1655588192, now seen corresponding path program 36 times [2022-02-18 14:20:48,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:48,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46926569] [2022-02-18 14:20:48,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:48,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:48,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:48,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46926569] [2022-02-18 14:20:48,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46926569] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:48,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:48,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:48,897 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942117773] [2022-02-18 14:20:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:48,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:48,897 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:48,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:48,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:48,898 INFO L87 Difference]: Start difference. First operand 90186 states and 256970 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:50,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:50,621 INFO L93 Difference]: Finished difference Result 96226 states and 272442 transitions. [2022-02-18 14:20:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 14:20:50,621 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:50,830 INFO L225 Difference]: With dead ends: 96226 [2022-02-18 14:20:50,830 INFO L226 Difference]: Without dead ends: 96226 [2022-02-18 14:20:50,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=457, Invalid=1103, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 14:20:50,831 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, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:50,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1195 Valid, 9335 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 14:20:51,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96226 states. [2022-02-18 14:20:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96226 to 90274. [2022-02-18 14:20:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90274 states, 90273 states have (on average 2.8492683305085684) internal successors, (257212), 90273 states have internal predecessors, (257212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90274 states to 90274 states and 257212 transitions. [2022-02-18 14:20:53,450 INFO L78 Accepts]: Start accepts. Automaton has 90274 states and 257212 transitions. Word has length 231 [2022-02-18 14:20:53,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:53,450 INFO L470 AbstractCegarLoop]: Abstraction has 90274 states and 257212 transitions. [2022-02-18 14:20:53,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 90274 states and 257212 transitions. [2022-02-18 14:20:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:53,615 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:53,615 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:53,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-02-18 14:20:53,616 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:53,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash 611451710, now seen corresponding path program 37 times [2022-02-18 14:20:53,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:53,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803255078] [2022-02-18 14:20:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:53,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:53,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803255078] [2022-02-18 14:20:53,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803255078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:53,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:53,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:53,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520622149] [2022-02-18 14:20:53,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:53,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:53,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:53,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:53,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:53,736 INFO L87 Difference]: Start difference. First operand 90274 states and 257212 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:55,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:20:55,385 INFO L93 Difference]: Finished difference Result 96350 states and 272726 transitions. [2022-02-18 14:20:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:20:55,386 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:20:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:20:55,593 INFO L225 Difference]: With dead ends: 96350 [2022-02-18 14:20:55,593 INFO L226 Difference]: Without dead ends: 96350 [2022-02-18 14:20:55,593 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 [2022-02-18 14:20:55,594 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1169 mSDsluCounter, 8901 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 9536 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:20:55,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1169 Valid, 9536 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:20:55,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96350 states. [2022-02-18 14:20:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96350 to 90270. [2022-02-18 14:20:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90270 states, 90269 states have (on average 2.849272729286909) internal successors, (257201), 90269 states have internal predecessors, (257201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90270 states to 90270 states and 257201 transitions. [2022-02-18 14:20:58,169 INFO L78 Accepts]: Start accepts. Automaton has 90270 states and 257201 transitions. Word has length 231 [2022-02-18 14:20:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:20:58,169 INFO L470 AbstractCegarLoop]: Abstraction has 90270 states and 257201 transitions. [2022-02-18 14:20:58,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:20:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 90270 states and 257201 transitions. [2022-02-18 14:20:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:20:58,347 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:20:58,347 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:20:58,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-02-18 14:20:58,347 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:20:58,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:20:58,348 INFO L85 PathProgramCache]: Analyzing trace with hash -379114376, now seen corresponding path program 38 times [2022-02-18 14:20:58,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:20:58,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935038231] [2022-02-18 14:20:58,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:20:58,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:20:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:20:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:20:58,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:20:58,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935038231] [2022-02-18 14:20:58,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935038231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:20:58,478 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:20:58,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:20:58,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672466854] [2022-02-18 14:20:58,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:20:58,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:20:58,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:20:58,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:20:58,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:20:58,479 INFO L87 Difference]: Start difference. First operand 90270 states and 257201 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:00,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:21:00,304 INFO L93 Difference]: Finished difference Result 96430 states and 272930 transitions. [2022-02-18 14:21:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 14:21:00,304 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:21:00,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:21:00,595 INFO L225 Difference]: With dead ends: 96430 [2022-02-18 14:21:00,596 INFO L226 Difference]: Without dead ends: 96430 [2022-02-18 14:21:00,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=606, Invalid=1464, Unknown=0, NotChecked=0, Total=2070 [2022-02-18 14:21:00,596 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 1203 mSDsluCounter, 8934 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 9575 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:21:00,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1203 Valid, 9575 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:21:00,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96430 states. [2022-02-18 14:21:02,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96430 to 90258. [2022-02-18 14:21:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90258 states, 90257 states have (on average 2.849285927961266) internal successors, (257168), 90257 states have internal predecessors, (257168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90258 states to 90258 states and 257168 transitions. [2022-02-18 14:21:02,943 INFO L78 Accepts]: Start accepts. Automaton has 90258 states and 257168 transitions. Word has length 231 [2022-02-18 14:21:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:21:02,943 INFO L470 AbstractCegarLoop]: Abstraction has 90258 states and 257168 transitions. [2022-02-18 14:21:02,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 90258 states and 257168 transitions. [2022-02-18 14:21:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:21:03,434 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:21:03,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:21:03,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-02-18 14:21:03,435 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:21:03,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:21:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash -468104302, now seen corresponding path program 39 times [2022-02-18 14:21:03,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:21:03,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541015105] [2022-02-18 14:21:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:21:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:21:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:21:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:21:03,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:21:03,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541015105] [2022-02-18 14:21:03,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541015105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:21:03,580 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:21:03,580 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:21:03,580 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352188756] [2022-02-18 14:21:03,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:21:03,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:21:03,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:21:03,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:21:03,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:21:03,581 INFO L87 Difference]: Start difference. First operand 90258 states and 257168 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:21:05,503 INFO L93 Difference]: Finished difference Result 96466 states and 273017 transitions. [2022-02-18 14:21:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-18 14:21:05,503 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:21:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:21:05,748 INFO L225 Difference]: With dead ends: 96466 [2022-02-18 14:21:05,748 INFO L226 Difference]: Without dead ends: 96466 [2022-02-18 14:21:05,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=688, Invalid=1568, Unknown=0, NotChecked=0, Total=2256 [2022-02-18 14:21:05,749 INFO L933 BasicCegarLoop]: 761 mSDtfsCounter, 1265 mSDsluCounter, 8917 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 9559 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:21:05,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 9559 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:21:05,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96466 states. [2022-02-18 14:21:07,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96466 to 90254. [2022-02-18 14:21:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90254 states, 90253 states have (on average 2.8492903282993365) internal successors, (257157), 90253 states have internal predecessors, (257157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90254 states to 90254 states and 257157 transitions. [2022-02-18 14:21:08,020 INFO L78 Accepts]: Start accepts. Automaton has 90254 states and 257157 transitions. Word has length 231 [2022-02-18 14:21:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:21:08,021 INFO L470 AbstractCegarLoop]: Abstraction has 90254 states and 257157 transitions. [2022-02-18 14:21:08,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 90254 states and 257157 transitions. [2022-02-18 14:21:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:21:08,543 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:21:08,543 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:21:08,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-02-18 14:21:08,544 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:21:08,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:21:08,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1194324456, now seen corresponding path program 40 times [2022-02-18 14:21:08,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:21:08,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147566722] [2022-02-18 14:21:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:21:08,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:21:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:21:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:21:08,689 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:21:08,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147566722] [2022-02-18 14:21:08,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147566722] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:21:08,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:21:08,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:21:08,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375711864] [2022-02-18 14:21:08,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:21:08,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:21:08,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:21:08,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:21:08,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:21:08,690 INFO L87 Difference]: Start difference. First operand 90254 states and 257157 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:10,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:21:10,452 INFO L93 Difference]: Finished difference Result 96592 states and 273367 transitions. [2022-02-18 14:21:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:21:10,452 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:21:10,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:21:10,667 INFO L225 Difference]: With dead ends: 96592 [2022-02-18 14:21:10,667 INFO L226 Difference]: Without dead ends: 96592 [2022-02-18 14:21:10,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=503, Invalid=1219, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 14:21:10,668 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1179 mSDsluCounter, 8840 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 9475 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:21:10,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1179 Valid, 9475 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:21:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96592 states. [2022-02-18 14:21:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96592 to 90306. [2022-02-18 14:21:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90306 states, 90305 states have (on average 2.8492331543103924) internal successors, (257300), 90305 states have internal predecessors, (257300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90306 states to 90306 states and 257300 transitions. [2022-02-18 14:21:12,946 INFO L78 Accepts]: Start accepts. Automaton has 90306 states and 257300 transitions. Word has length 231 [2022-02-18 14:21:12,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:21:12,946 INFO L470 AbstractCegarLoop]: Abstraction has 90306 states and 257300 transitions. [2022-02-18 14:21:12,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 90306 states and 257300 transitions. [2022-02-18 14:21:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-02-18 14:21:13,128 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:21:13,128 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:21:13,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-02-18 14:21:13,128 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-18 14:21:13,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:21:13,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1072715446, now seen corresponding path program 41 times [2022-02-18 14:21:13,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:21:13,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671692190] [2022-02-18 14:21:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:21:13,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:21:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:21:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 14:21:13,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:21:13,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671692190] [2022-02-18 14:21:13,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671692190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:21:13,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:21:13,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 14:21:13,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799051122] [2022-02-18 14:21:13,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:21:13,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 14:21:13,278 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:21:13,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 14:21:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-18 14:21:13,278 INFO L87 Difference]: Start difference. First operand 90306 states and 257300 transitions. Second operand has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 14:21:14,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:21:14,904 INFO L93 Difference]: Finished difference Result 96602 states and 273395 transitions. [2022-02-18 14:21:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 14:21:14,904 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.764705882352942) internal successors, (217), 17 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-02-18 14:21:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:21:15,327 INFO L225 Difference]: With dead ends: 96602 [2022-02-18 14:21:15,327 INFO L226 Difference]: Without dead ends: 96602 [2022-02-18 14:21:15,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=474, Invalid=1166, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 14:21:15,328 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 1167 mSDsluCounter, 8856 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 9495 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:21:15,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 9495 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:21:15,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96602 states.