/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 18:22:24,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 18:22:24,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 18:22:24,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 18:22:24,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 18:22:24,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 18:22:24,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 18:22:24,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 18:22:24,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 18:22:24,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 18:22:24,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 18:22:24,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 18:22:24,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 18:22:24,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 18:22:24,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 18:22:24,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 18:22:24,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 18:22:24,551 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 [2021-05-21 18:22:24,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 18:22:24,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 18:22:24,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 18:22:24,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 18:22:24,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 18:22:24,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 18:22:24,581 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 18:22:24,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 18:22:24,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 18:22:24,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 18:22:24,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 18:22:24,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 18:22:24,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 18:22:24,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 18:22:24,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 18:22:24,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 18:22:24,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 18:22:24,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 18:22:24,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 18:22:24,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 18:22:24,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 18:22:24,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 18:22:24,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 18:22:24,855 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 18:22:24,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-05-21 18:22:24,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2162095b2/c0f11d4fa2684f2c8fe2ce76971e638d/FLAG37c23a872 [2021-05-21 18:22:25,291 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 18:22:25,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-05-21 18:22:25,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2162095b2/c0f11d4fa2684f2c8fe2ce76971e638d/FLAG37c23a872 [2021-05-21 18:22:25,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2162095b2/c0f11d4fa2684f2c8fe2ce76971e638d [2021-05-21 18:22:25,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 18:22:25,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 18:22:25,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 18:22:25,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 18:22:25,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 18:22:25,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 06:22:25" (1/1) ... [2021-05-21 18:22:25,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6a587c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:25, skipping insertion in model container [2021-05-21 18:22:25,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 06:22:25" (1/1) ... [2021-05-21 18:22:25,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 18:22:25,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 18:22:26,048 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41060,41073] [2021-05-21 18:22:26,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 18:22:26,080 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 18:22:26,113 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41060,41073] [2021-05-21 18:22:26,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 18:22:26,211 INFO L208 MainTranslator]: Completed translation [2021-05-21 18:22:26,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26 WrapperNode [2021-05-21 18:22:26,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 18:22:26,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 18:22:26,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 18:22:26,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 18:22:26,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 18:22:26,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 18:22:26,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 18:22:26,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 18:22:26,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... [2021-05-21 18:22:26,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 18:22:26,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 18:22:26,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 18:22:26,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 18:22:26,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 18:22:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 18:22:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 18:22:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 18:22:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 18:22:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-21 18:22:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-05-21 18:22:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-05-21 18:22:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 18:22:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 18:22:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 18:22:26,329 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 18:22:26,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 18:22:26,703 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-05-21 18:22:26,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 06:22:26 BoogieIcfgContainer [2021-05-21 18:22:26,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 18:22:26,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 18:22:26,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 18:22:26,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 18:22:26,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 06:22:25" (1/3) ... [2021-05-21 18:22:26,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 06:22:26, skipping insertion in model container [2021-05-21 18:22:26,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 06:22:26" (2/3) ... [2021-05-21 18:22:26,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 06:22:26, skipping insertion in model container [2021-05-21 18:22:26,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 06:22:26" (3/3) ... [2021-05-21 18:22:26,709 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2021-05-21 18:22:26,712 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 18:22:26,713 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 18:22:26,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 18:22:26,713 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 18:22:26,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:26,739 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-05-21 18:22:26,752 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:22:26,765 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:22:26,765 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:22:26,766 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:22:26,766 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:22:26,766 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:22:26,766 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:22:26,766 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:22:26,766 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:22:26,772 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 118 transitions, 244 flow [2021-05-21 18:22:26,812 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1018 states, 1012 states have (on average 2.308300395256917) internal successors, (2336), 1017 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 1018 states, 1012 states have (on average 2.308300395256917) internal successors, (2336), 1017 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 18:22:26,822 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:26,822 INFO L521 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] [2021-05-21 18:22:26,822 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:26,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:26,826 INFO L82 PathProgramCache]: Analyzing trace with hash 493182100, now seen corresponding path program 1 times [2021-05-21 18:22:26,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:26,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343588438] [2021-05-21 18:22:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:26,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:22:26,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343588438] [2021-05-21 18:22:26,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343588438] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:22:26,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:22:26,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 18:22:26,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724417791] [2021-05-21 18:22:26,951 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 18:22:26,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:22:26,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 18:22:26,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:22:26,962 INFO L87 Difference]: Start difference. First operand has 1018 states, 1012 states have (on average 2.308300395256917) internal successors, (2336), 1017 states have internal predecessors, (2336), 0 states have call successors, (0), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:22:26,983 INFO L93 Difference]: Finished difference Result 994 states and 1924 transitions. [2021-05-21 18:22:26,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 18:22:26,984 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-05-21 18:22:26,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:22:26,994 INFO L225 Difference]: With dead ends: 994 [2021-05-21 18:22:26,994 INFO L226 Difference]: Without dead ends: 630 [2021-05-21 18:22:26,995 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:22:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-05-21 18:22:27,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2021-05-21 18:22:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 627 states have (on average 1.8835725677830941) internal successors, (1181), 629 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:27,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1181 transitions. [2021-05-21 18:22:27,043 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1181 transitions. Word has length 48 [2021-05-21 18:22:27,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:22:27,044 INFO L482 AbstractCegarLoop]: Abstraction has 630 states and 1181 transitions. [2021-05-21 18:22:27,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1181 transitions. [2021-05-21 18:22:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 18:22:27,045 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:27,045 INFO L521 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] [2021-05-21 18:22:27,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 18:22:27,045 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:27,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:27,046 INFO L82 PathProgramCache]: Analyzing trace with hash 622264819, now seen corresponding path program 1 times [2021-05-21 18:22:27,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:27,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872580638] [2021-05-21 18:22:27,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:27,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:22:27,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872580638] [2021-05-21 18:22:27,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872580638] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:22:27,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:22:27,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 18:22:27,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260485134] [2021-05-21 18:22:27,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:22:27,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:22:27,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:22:27,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:22:27,103 INFO L87 Difference]: Start difference. First operand 630 states and 1181 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:22:27,117 INFO L93 Difference]: Finished difference Result 616 states and 1166 transitions. [2021-05-21 18:22:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:22:27,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-05-21 18:22:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:22:27,120 INFO L225 Difference]: With dead ends: 616 [2021-05-21 18:22:27,120 INFO L226 Difference]: Without dead ends: 616 [2021-05-21 18:22:27,121 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:22:27,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2021-05-21 18:22:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2021-05-21 18:22:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 614 states have (on average 1.8990228013029316) internal successors, (1166), 615 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1166 transitions. [2021-05-21 18:22:27,138 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1166 transitions. Word has length 48 [2021-05-21 18:22:27,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:22:27,138 INFO L482 AbstractCegarLoop]: Abstraction has 616 states and 1166 transitions. [2021-05-21 18:22:27,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1166 transitions. [2021-05-21 18:22:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-05-21 18:22:27,140 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:27,140 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:22:27,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 18:22:27,140 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:27,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:27,141 INFO L82 PathProgramCache]: Analyzing trace with hash -693021782, now seen corresponding path program 1 times [2021-05-21 18:22:27,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:27,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689320486] [2021-05-21 18:22:27,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:22:27,168 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:22:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:22:27,186 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:22:27,212 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 18:22:27,212 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 18:22:27,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 18:22:27,213 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 18:22:27,213 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-05-21 18:22:27,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,221 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,231 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,232 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:27,235 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-21 18:22:27,236 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:22:27,237 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:22:27,237 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:22:27,237 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:22:27,237 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:22:27,237 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:22:27,237 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:22:27,238 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:22:27,238 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:22:27,240 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 148 transitions, 314 flow [2021-05-21 18:22:28,526 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 23075 states, 23066 states have (on average 3.5299575132229255) internal successors, (81422), 23074 states have internal predecessors, (81422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 23075 states, 23066 states have (on average 3.5299575132229255) internal successors, (81422), 23074 states have internal predecessors, (81422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 18:22:28,564 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:28,565 INFO L521 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] [2021-05-21 18:22:28,565 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:28,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:28,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1886558356, now seen corresponding path program 1 times [2021-05-21 18:22:28,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:28,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872540452] [2021-05-21 18:22:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:28,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:22:28,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872540452] [2021-05-21 18:22:28,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872540452] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:22:28,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:22:28,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 18:22:28,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37102856] [2021-05-21 18:22:28,604 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 18:22:28,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:22:28,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 18:22:28,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:22:28,636 INFO L87 Difference]: Start difference. First operand has 23075 states, 23066 states have (on average 3.5299575132229255) internal successors, (81422), 23074 states have internal predecessors, (81422), 0 states have call successors, (0), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:28,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:22:28,873 INFO L93 Difference]: Finished difference Result 22522 states and 65389 transitions. [2021-05-21 18:22:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 18:22:28,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-05-21 18:22:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:22:28,934 INFO L225 Difference]: With dead ends: 22522 [2021-05-21 18:22:28,934 INFO L226 Difference]: Without dead ends: 13832 [2021-05-21 18:22:28,934 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:22:29,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13832 states. [2021-05-21 18:22:29,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13832 to 13832. [2021-05-21 18:22:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13832 states, 13828 states have (on average 2.86982933179057) internal successors, (39684), 13831 states have internal predecessors, (39684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13832 states to 13832 states and 39684 transitions. [2021-05-21 18:22:29,411 INFO L78 Accepts]: Start accepts. Automaton has 13832 states and 39684 transitions. Word has length 48 [2021-05-21 18:22:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:22:29,411 INFO L482 AbstractCegarLoop]: Abstraction has 13832 states and 39684 transitions. [2021-05-21 18:22:29,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 13832 states and 39684 transitions. [2021-05-21 18:22:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 18:22:29,413 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:29,413 INFO L521 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] [2021-05-21 18:22:29,414 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 18:22:29,414 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:29,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:29,414 INFO L82 PathProgramCache]: Analyzing trace with hash 2015641075, now seen corresponding path program 1 times [2021-05-21 18:22:29,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:29,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576437946] [2021-05-21 18:22:29,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:29,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:22:29,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576437946] [2021-05-21 18:22:29,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576437946] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:22:29,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:22:29,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 18:22:29,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857485451] [2021-05-21 18:22:29,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:22:29,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:22:29,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:22:29,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:22:29,461 INFO L87 Difference]: Start difference. First operand 13832 states and 39684 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:29,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:22:29,537 INFO L93 Difference]: Finished difference Result 13818 states and 39669 transitions. [2021-05-21 18:22:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:22:29,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-05-21 18:22:29,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:22:29,580 INFO L225 Difference]: With dead ends: 13818 [2021-05-21 18:22:29,580 INFO L226 Difference]: Without dead ends: 13818 [2021-05-21 18:22:29,580 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:22:29,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13818 states. [2021-05-21 18:22:29,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13818 to 13818. [2021-05-21 18:22:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13818 states, 13815 states have (on average 2.8714440825190013) internal successors, (39669), 13817 states have internal predecessors, (39669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13818 states to 13818 states and 39669 transitions. [2021-05-21 18:22:30,029 INFO L78 Accepts]: Start accepts. Automaton has 13818 states and 39669 transitions. Word has length 48 [2021-05-21 18:22:30,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:22:30,029 INFO L482 AbstractCegarLoop]: Abstraction has 13818 states and 39669 transitions. [2021-05-21 18:22:30,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 13818 states and 39669 transitions. [2021-05-21 18:22:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-05-21 18:22:30,031 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:30,031 INFO L521 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] [2021-05-21 18:22:30,031 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 18:22:30,031 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:30,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:30,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1320673466, now seen corresponding path program 1 times [2021-05-21 18:22:30,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:30,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538950107] [2021-05-21 18:22:30,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:30,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:22:30,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538950107] [2021-05-21 18:22:30,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538950107] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:22:30,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755713904] [2021-05-21 18:22:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:22:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:30,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2021-05-21 18:22:30,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-21 18:22:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-21 18:22:30,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755713904] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:22:30,245 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-05-21 18:22:30,245 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-05-21 18:22:30,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851675439] [2021-05-21 18:22:30,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:22:30,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:22:30,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:22:30,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-05-21 18:22:30,246 INFO L87 Difference]: Start difference. First operand 13818 states and 39669 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:22:30,350 INFO L93 Difference]: Finished difference Result 14922 states and 42289 transitions. [2021-05-21 18:22:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:22:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-05-21 18:22:30,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:22:30,374 INFO L225 Difference]: With dead ends: 14922 [2021-05-21 18:22:30,374 INFO L226 Difference]: Without dead ends: 13818 [2021-05-21 18:22:30,374 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.5ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-05-21 18:22:30,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13818 states. [2021-05-21 18:22:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13818 to 13818. [2021-05-21 18:22:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13818 states, 13815 states have (on average 2.831487513572204) internal successors, (39117), 13817 states have internal predecessors, (39117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13818 states to 13818 states and 39117 transitions. [2021-05-21 18:22:30,718 INFO L78 Accepts]: Start accepts. Automaton has 13818 states and 39117 transitions. Word has length 58 [2021-05-21 18:22:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:22:30,718 INFO L482 AbstractCegarLoop]: Abstraction has 13818 states and 39117 transitions. [2021-05-21 18:22:30,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 13818 states and 39117 transitions. [2021-05-21 18:22:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-21 18:22:30,720 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:30,720 INFO L521 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] [2021-05-21 18:22:30,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-21 18:22:30,935 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:30,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:30,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1040834599, now seen corresponding path program 1 times [2021-05-21 18:22:30,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:30,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481298617] [2021-05-21 18:22:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:30,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:22:30,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481298617] [2021-05-21 18:22:30,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481298617] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:22:30,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841064799] [2021-05-21 18:22:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:22:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:22:31,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-21 18:22:31,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-21 18:22:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:22:31,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841064799] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:22:31,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-21 18:22:31,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-21 18:22:31,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782445770] [2021-05-21 18:22:31,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 18:22:31,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:22:31,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 18:22:31,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-21 18:22:31,158 INFO L87 Difference]: Start difference. First operand 13818 states and 39117 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:22:31,220 INFO L93 Difference]: Finished difference Result 13496 states and 38487 transitions. [2021-05-21 18:22:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 18:22:31,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-05-21 18:22:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:22:31,243 INFO L225 Difference]: With dead ends: 13496 [2021-05-21 18:22:31,243 INFO L226 Difference]: Without dead ends: 13496 [2021-05-21 18:22:31,244 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-21 18:22:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13496 states. [2021-05-21 18:22:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13496 to 13496. [2021-05-21 18:22:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13496 states, 13494 states have (on average 2.852156514006225) internal successors, (38487), 13495 states have internal predecessors, (38487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13496 states to 13496 states and 38487 transitions. [2021-05-21 18:22:31,658 INFO L78 Accepts]: Start accepts. Automaton has 13496 states and 38487 transitions. Word has length 60 [2021-05-21 18:22:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:22:31,658 INFO L482 AbstractCegarLoop]: Abstraction has 13496 states and 38487 transitions. [2021-05-21 18:22:31,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:22:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13496 states and 38487 transitions. [2021-05-21 18:22:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-21 18:22:31,660 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:22:31,660 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:22:31,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:22:31,869 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:22:31,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:22:31,869 INFO L82 PathProgramCache]: Analyzing trace with hash 205564304, now seen corresponding path program 1 times [2021-05-21 18:22:31,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:22:31,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172818836] [2021-05-21 18:22:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:22:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:22:31,890 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:22:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:22:31,908 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:22:31,924 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 18:22:31,925 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 18:22:31,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 18:22:31,925 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 18:22:31,925 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,955 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,962 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:22:31,967 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-21 18:22:31,968 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:22:31,969 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:22:31,969 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:22:31,969 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:22:31,969 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:22:31,969 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:22:31,969 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:22:31,970 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:22:31,970 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:22:31,974 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 156 places, 178 transitions, 386 flow [2021-05-21 18:29:43,973 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 537562 states, 537548 states have (on average 4.730515228407509) internal successors, (2542879), 537561 states have internal predecessors, (2542879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:29:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 537562 states, 537548 states have (on average 4.730515228407509) internal successors, (2542879), 537561 states have internal predecessors, (2542879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:29:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 18:29:44,545 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:29:44,545 INFO L521 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] [2021-05-21 18:29:44,545 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:29:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:29:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1022792044, now seen corresponding path program 1 times [2021-05-21 18:29:44,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:29:44,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708725105] [2021-05-21 18:29:44,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:29:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:29:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:29:44,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:29:44,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708725105] [2021-05-21 18:29:44,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708725105] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:29:44,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:29:44,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 18:29:44,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925102022] [2021-05-21 18:29:44,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-21 18:29:44,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:29:44,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-21 18:29:44,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:29:45,148 INFO L87 Difference]: Start difference. First operand has 537562 states, 537548 states have (on average 4.730515228407509) internal successors, (2542879), 537561 states have internal predecessors, (2542879), 0 states have call successors, (0), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:29:50,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:29:50,535 INFO L93 Difference]: Finished difference Result 524842 states and 2019365 transitions. [2021-05-21 18:29:50,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-21 18:29:50,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-05-21 18:29:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:29:53,161 INFO L225 Difference]: With dead ends: 524842 [2021-05-21 18:29:53,162 INFO L226 Difference]: Without dead ends: 317478 [2021-05-21 18:29:53,162 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-21 18:30:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317478 states. [2021-05-21 18:30:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317478 to 317478. [2021-05-21 18:30:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317478 states, 317473 states have (on average 3.829292569761838) internal successors, (1215697), 317477 states have internal predecessors, (1215697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:30:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317478 states to 317478 states and 1215697 transitions. [2021-05-21 18:30:33,165 INFO L78 Accepts]: Start accepts. Automaton has 317478 states and 1215697 transitions. Word has length 48 [2021-05-21 18:30:33,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:30:33,179 INFO L482 AbstractCegarLoop]: Abstraction has 317478 states and 1215697 transitions. [2021-05-21 18:30:33,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:30:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 317478 states and 1215697 transitions. [2021-05-21 18:30:33,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 18:30:33,180 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:30:33,180 INFO L521 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] [2021-05-21 18:30:33,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-21 18:30:33,181 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:30:33,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:30:33,197 INFO L82 PathProgramCache]: Analyzing trace with hash -893709325, now seen corresponding path program 1 times [2021-05-21 18:30:33,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:30:33,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738328434] [2021-05-21 18:30:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:30:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:30:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:30:33,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:30:33,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738328434] [2021-05-21 18:30:33,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738328434] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:30:33,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:30:33,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-21 18:30:33,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019922646] [2021-05-21 18:30:33,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:30:33,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:30:33,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:30:33,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:30:33,285 INFO L87 Difference]: Start difference. First operand 317478 states and 1215697 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:30:36,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:30:36,122 INFO L93 Difference]: Finished difference Result 317464 states and 1215682 transitions. [2021-05-21 18:30:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:30:36,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-05-21 18:30:36,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:30:38,449 INFO L225 Difference]: With dead ends: 317464 [2021-05-21 18:30:38,450 INFO L226 Difference]: Without dead ends: 317464 [2021-05-21 18:30:38,451 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 18:31:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317464 states. [2021-05-21 18:31:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317464 to 317464. [2021-05-21 18:31:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317464 states, 317460 states have (on average 3.8294021294021294) internal successors, (1215682), 317463 states have internal predecessors, (1215682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:31:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317464 states to 317464 states and 1215682 transitions. [2021-05-21 18:31:17,217 INFO L78 Accepts]: Start accepts. Automaton has 317464 states and 1215682 transitions. Word has length 48 [2021-05-21 18:31:17,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:31:17,217 INFO L482 AbstractCegarLoop]: Abstraction has 317464 states and 1215682 transitions. [2021-05-21 18:31:17,217 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:31:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 317464 states and 1215682 transitions. [2021-05-21 18:31:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-05-21 18:31:17,219 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:31:17,219 INFO L521 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] [2021-05-21 18:31:17,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-21 18:31:17,219 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:31:17,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:31:17,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1168457378, now seen corresponding path program 1 times [2021-05-21 18:31:17,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:31:17,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911691306] [2021-05-21 18:31:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:31:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:31:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:31:17,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:31:17,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911691306] [2021-05-21 18:31:17,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911691306] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:31:17,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170518580] [2021-05-21 18:31:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:31:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:31:17,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2021-05-21 18:31:17,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-21 18:31:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-21 18:31:17,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170518580] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:31:17,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-05-21 18:31:17,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-05-21 18:31:17,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045123437] [2021-05-21 18:31:17,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 18:31:17,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:31:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 18:31:17,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-05-21 18:31:17,518 INFO L87 Difference]: Start difference. First operand 317464 states and 1215682 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:31:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:31:20,580 INFO L93 Difference]: Finished difference Result 342902 states and 1300297 transitions. [2021-05-21 18:31:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 18:31:20,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-05-21 18:31:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:31:22,761 INFO L225 Difference]: With dead ends: 342902 [2021-05-21 18:31:22,761 INFO L226 Difference]: Without dead ends: 317464 [2021-05-21 18:31:22,762 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-05-21 18:31:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317464 states. [2021-05-21 18:31:59,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317464 to 317464. [2021-05-21 18:31:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317464 states, 317460 states have (on average 3.7893372393372395) internal successors, (1202963), 317463 states have internal predecessors, (1202963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:32:01,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317464 states to 317464 states and 1202963 transitions. [2021-05-21 18:32:01,669 INFO L78 Accepts]: Start accepts. Automaton has 317464 states and 1202963 transitions. Word has length 58 [2021-05-21 18:32:01,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:32:01,669 INFO L482 AbstractCegarLoop]: Abstraction has 317464 states and 1202963 transitions. [2021-05-21 18:32:01,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:32:01,669 INFO L276 IsEmpty]: Start isEmpty. Operand 317464 states and 1202963 transitions. [2021-05-21 18:32:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-21 18:32:01,670 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:32:01,670 INFO L521 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] [2021-05-21 18:32:01,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-05-21 18:32:01,877 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:32:01,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:32:01,877 INFO L82 PathProgramCache]: Analyzing trace with hash -798786115, now seen corresponding path program 1 times [2021-05-21 18:32:01,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:32:01,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140242761] [2021-05-21 18:32:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:32:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:32:01,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:32:01,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:32:01,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140242761] [2021-05-21 18:32:01,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140242761] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:32:01,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94872031] [2021-05-21 18:32:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:32:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:32:01,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-21 18:32:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-21 18:32:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 18:32:02,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94872031] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-21 18:32:02,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-21 18:32:02,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-21 18:32:02,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385203856] [2021-05-21 18:32:02,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 18:32:02,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:32:02,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 18:32:02,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-21 18:32:02,042 INFO L87 Difference]: Start difference. First operand 317464 states and 1202963 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:32:04,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:32:04,425 INFO L93 Difference]: Finished difference Result 317142 states and 1202333 transitions. [2021-05-21 18:32:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 18:32:04,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-05-21 18:32:04,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:32:05,494 INFO L225 Difference]: With dead ends: 317142 [2021-05-21 18:32:05,494 INFO L226 Difference]: Without dead ends: 317142 [2021-05-21 18:32:05,494 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 22.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-21 18:32:37,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317142 states. [2021-05-21 18:32:42,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317142 to 317142. [2021-05-21 18:32:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317142 states, 317139 states have (on average 3.7911861991114306) internal successors, (1202333), 317141 states have internal predecessors, (1202333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:32:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317142 states to 317142 states and 1202333 transitions. [2021-05-21 18:32:45,140 INFO L78 Accepts]: Start accepts. Automaton has 317142 states and 1202333 transitions. Word has length 60 [2021-05-21 18:32:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:32:45,140 INFO L482 AbstractCegarLoop]: Abstraction has 317142 states and 1202333 transitions. [2021-05-21 18:32:45,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:32:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 317142 states and 1202333 transitions. [2021-05-21 18:32:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-05-21 18:32:45,147 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:32:45,147 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:32:45,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-21 18:32:45,357 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:32:45,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:32:45,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1833777415, now seen corresponding path program 1 times [2021-05-21 18:32:45,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:32:45,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872879874] [2021-05-21 18:32:45,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:32:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 18:32:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-21 18:32:45,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 18:32:45,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872879874] [2021-05-21 18:32:45,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872879874] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 18:32:45,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 18:32:45,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-21 18:32:45,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822025111] [2021-05-21 18:32:45,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 18:32:45,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 18:32:45,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 18:32:45,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 18:32:45,416 INFO L87 Difference]: Start difference. First operand 317142 states and 1202333 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:32:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 18:32:48,045 INFO L93 Difference]: Finished difference Result 352350 states and 1324879 transitions. [2021-05-21 18:32:48,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-21 18:32:48,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-05-21 18:32:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 18:32:49,206 INFO L225 Difference]: With dead ends: 352350 [2021-05-21 18:32:49,206 INFO L226 Difference]: Without dead ends: 314262 [2021-05-21 18:32:49,207 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 18:33:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314262 states. [2021-05-21 18:33:25,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314262 to 314262. [2021-05-21 18:33:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314262 states, 314259 states have (on average 3.7902908110825786) internal successors, (1191133), 314261 states have internal predecessors, (1191133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:33:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314262 states to 314262 states and 1191133 transitions. [2021-05-21 18:33:28,407 INFO L78 Accepts]: Start accepts. Automaton has 314262 states and 1191133 transitions. Word has length 70 [2021-05-21 18:33:28,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 18:33:28,408 INFO L482 AbstractCegarLoop]: Abstraction has 314262 states and 1191133 transitions. [2021-05-21 18:33:28,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 18:33:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 314262 states and 1191133 transitions. [2021-05-21 18:33:28,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-05-21 18:33:28,436 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 18:33:28,436 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 18:33:28,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-21 18:33:28,437 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 18:33:28,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 18:33:28,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1447758131, now seen corresponding path program 1 times [2021-05-21 18:33:28,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 18:33:28,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089309130] [2021-05-21 18:33:28,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 18:33:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:33:28,474 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:33:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 18:33:28,492 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 18:33:28,498 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 18:33:28,499 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 18:33:28,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-21 18:33:28,499 WARN L242 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 18:33:28,499 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,534 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 18:33:28,544 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-21 18:33:28,545 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 18:33:28,546 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 18:33:28,546 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 18:33:28,546 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 18:33:28,546 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 18:33:28,546 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 18:33:28,546 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 18:33:28,546 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 18:33:28,546 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 18:33:28,547 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 181 places, 208 transitions, 460 flow Received shutdown request... [2021-05-21 18:35:24,385 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 18:35:24,387 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2021-05-21 18:35:24,388 WARN L196 ceAbstractionStarter]: Timeout [2021-05-21 18:35:24,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 06:35:24 BasicIcfg [2021-05-21 18:35:24,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 18:35:24,389 INFO L168 Benchmark]: Toolchain (without parser) took 778715.76 ms. Allocated memory was 352.3 MB in the beginning and 15.8 GB in the end (delta: 15.4 GB). Free memory was 314.4 MB in the beginning and 9.0 GB in the end (delta: -8.7 GB). Peak memory consumption was 9.4 GB. Max. memory is 16.0 GB. [2021-05-21 18:35:24,389 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 352.3 MB. Free memory is still 332.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 18:35:24,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.40 ms. Allocated memory is still 352.3 MB. Free memory was 314.2 MB in the beginning and 289.9 MB in the end (delta: 24.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.0 GB. [2021-05-21 18:35:24,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 352.3 MB. Free memory was 289.9 MB in the beginning and 287.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 18:35:24,389 INFO L168 Benchmark]: Boogie Preprocessor took 17.84 ms. Allocated memory is still 352.3 MB. Free memory was 287.8 MB in the beginning and 285.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 18:35:24,389 INFO L168 Benchmark]: RCFGBuilder took 433.77 ms. Allocated memory is still 352.3 MB. Free memory was 285.7 MB in the beginning and 255.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-05-21 18:35:24,389 INFO L168 Benchmark]: TraceAbstraction took 777682.94 ms. Allocated memory was 352.3 MB in the beginning and 15.8 GB in the end (delta: 15.4 GB). Free memory was 255.3 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 9.4 GB. Max. memory is 16.0 GB. [2021-05-21 18:35:24,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 352.3 MB. Free memory is still 332.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 536.40 ms. Allocated memory is still 352.3 MB. Free memory was 314.2 MB in the beginning and 289.9 MB in the end (delta: 24.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 352.3 MB. Free memory was 289.9 MB in the beginning and 287.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.84 ms. Allocated memory is still 352.3 MB. Free memory was 287.8 MB in the beginning and 285.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 433.77 ms. Allocated memory is still 352.3 MB. Free memory was 285.7 MB in the beginning and 255.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 777682.94 ms. Allocated memory was 352.3 MB in the beginning and 15.8 GB in the end (delta: 15.4 GB). Free memory was 255.3 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 9.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 181 places, 208 transitions, 460 flow. Already constructed 340851 states. Currently 63214 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 127 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 449.1ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 11.6ms, AutomataDifference: 61.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 187 SDtfs, 30 SDslu, 74 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1018occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 56.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.5ms SsaConstructionTime, 57.5ms SatisfiabilityAnalysisTime, 79.0ms InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 150 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4687.9ms, OverallIterations: 5, TraceHistogramMax: 3, EmptinessCheckTime: 42.2ms, AutomataDifference: 665.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1288.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 509 SDtfs, 289 SDslu, 494 SDs, 0 SdLazy, 34 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=23075occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1683.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.9ms SsaConstructionTime, 104.2ms SatisfiabilityAnalysisTime, 287.8ms InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 2 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 173 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 656529.6ms, OverallIterations: 6, TraceHistogramMax: 4, EmptinessCheckTime: 609.3ms, AutomataDifference: 26238.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 432003.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 874 SDtfs, 519 SDslu, 1124 SDs, 0 SdLazy, 99 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 56.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=537562occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 196521.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.8ms SsaConstructionTime, 65.1ms SatisfiabilityAnalysisTime, 317.9ms InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 574 SizeOfPredicates, 2 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 13/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 196 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 115839.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 115839.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown