/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 11:42:55,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 11:42:55,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 11:42:55,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 11:42:55,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 11:42:55,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 11:42:55,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 11:42:55,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 11:42:55,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 11:42:55,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 11:42:55,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 11:42:55,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 11:42:55,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 11:42:55,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 11:42:55,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 11:42:55,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 11:42:55,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 11:42:55,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 11:42:55,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 11:42:55,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 11:42:55,219 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-Separate.epf [2021-06-05 11:42:55,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 11:42:55,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 11:42:55,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 11:42:55,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 11:42:55,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 11:42:55,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 11:42:55,244 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 11:42:55,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 11:42:55,244 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 11:42:55,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 11:42:55,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 11:42:55,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 11:42:55,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 11:42:55,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 11:42:55,247 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 11:42:55,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 11:42:55,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 11:42:55,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 11:42:55,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 11:42:55,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 11:42:55,506 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 11:42:55,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i [2021-06-05 11:42:55,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f16662a/f624d20d4b20482c82c441f3822532bf/FLAG30cc3417a [2021-06-05 11:42:56,018 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 11:42:56,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i [2021-06-05 11:42:56,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f16662a/f624d20d4b20482c82c441f3822532bf/FLAG30cc3417a [2021-06-05 11:42:56,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f16662a/f624d20d4b20482c82c441f3822532bf [2021-06-05 11:42:56,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 11:42:56,375 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 11:42:56,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 11:42:56,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 11:42:56,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 11:42:56,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7529f65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56, skipping insertion in model container [2021-06-05 11:42:56,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 11:42:56,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 11:42:56,639 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_19-callback_racing.i[29949,29962] [2021-06-05 11:42:56,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 11:42:56,669 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 11:42:56,691 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_19-callback_racing.i[29949,29962] [2021-06-05 11:42:56,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 11:42:56,754 INFO L208 MainTranslator]: Completed translation [2021-06-05 11:42:56,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56 WrapperNode [2021-06-05 11:42:56,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 11:42:56,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 11:42:56,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 11:42:56,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 11:42:56,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 11:42:56,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 11:42:56,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 11:42:56,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 11:42:56,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (1/1) ... [2021-06-05 11:42:56,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 11:42:56,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 11:42:56,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 11:42:56,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 11:42:56,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (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 [2021-06-05 11:42:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 11:42:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 11:42:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-05 11:42:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 11:42:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-06-05 11:42:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-06-05 11:42:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 11:42:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 11:42:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 11:42:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 11:42:56,876 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 11:42:57,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 11:42:57,306 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-06-05 11:42:57,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 11:42:57 BoogieIcfgContainer [2021-06-05 11:42:57,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 11:42:57,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 11:42:57,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 11:42:57,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 11:42:57,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 11:42:56" (1/3) ... [2021-06-05 11:42:57,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de0b439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 11:42:57, skipping insertion in model container [2021-06-05 11:42:57,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 11:42:56" (2/3) ... [2021-06-05 11:42:57,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de0b439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 11:42:57, skipping insertion in model container [2021-06-05 11:42:57,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 11:42:57" (3/3) ... [2021-06-05 11:42:57,314 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_19-callback_racing.i [2021-06-05 11:42:57,318 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 11:42:57,319 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 11:42:57,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 11:42:57,319 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 11:42:57,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,354 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,361 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:57,366 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-05 11:42:57,382 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 11:42:57,397 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:42:57,397 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:42:57,398 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:42:57,398 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:42:57,398 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:42:57,398 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:42:57,398 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:42:57,398 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 11:42:57,410 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 131 transitions, 270 flow [2021-06-05 11:42:57,463 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1263 states, 1256 states have (on average 2.1934713375796178) internal successors, (2755), 1262 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 1263 states, 1256 states have (on average 2.1934713375796178) internal successors, (2755), 1262 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-05 11:42:57,479 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:42:57,480 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] [2021-06-05 11:42:57,480 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:42:57,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:42:57,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1905601992, now seen corresponding path program 1 times [2021-06-05 11:42:57,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:42:57,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060811077] [2021-06-05 11:42:57,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:42:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:42:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:42:57,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:42:57,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060811077] [2021-06-05 11:42:57,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060811077] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:42:57,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:42:57,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 11:42:57,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514233215] [2021-06-05 11:42:57,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 11:42:57,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:42:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 11:42:57,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 11:42:57,719 INFO L87 Difference]: Start difference. First operand has 1263 states, 1256 states have (on average 2.1934713375796178) internal successors, (2755), 1262 states have internal predecessors, (2755), 0 states have call successors, (0), 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 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:57,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:42:57,819 INFO L93 Difference]: Finished difference Result 2133 states and 4007 transitions. [2021-06-05 11:42:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 11:42:57,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-06-05 11:42:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:42:57,836 INFO L225 Difference]: With dead ends: 2133 [2021-06-05 11:42:57,836 INFO L226 Difference]: Without dead ends: 765 [2021-06-05 11:42:57,837 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 11:42:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2021-06-05 11:42:57,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2021-06-05 11:42:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 763 states have (on average 1.8768020969855832) internal successors, (1432), 764 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1432 transitions. [2021-06-05 11:42:57,888 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1432 transitions. Word has length 45 [2021-06-05 11:42:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:42:57,888 INFO L482 AbstractCegarLoop]: Abstraction has 765 states and 1432 transitions. [2021-06-05 11:42:57,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1432 transitions. [2021-06-05 11:42:57,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 11:42:57,891 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:42:57,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:42:57,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 11:42:57,891 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:42:57,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:42:57,892 INFO L82 PathProgramCache]: Analyzing trace with hash 47863694, now seen corresponding path program 1 times [2021-06-05 11:42:57,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:42:57,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594162794] [2021-06-05 11:42:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:42:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:42:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:42:57,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:42:57,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594162794] [2021-06-05 11:42:57,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594162794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:42:57,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476071895] [2021-06-05 11:42:57,961 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 [2021-06-05 11:42:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:42:58,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-05 11:42:58,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 11:42:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:42:58,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476071895] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:42:58,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 11:42:58,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-05 11:42:58,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337361102] [2021-06-05 11:42:58,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 11:42:58,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:42:58,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 11:42:58,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 11:42:58,279 INFO L87 Difference]: Start difference. First operand 765 states and 1432 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:42:58,308 INFO L93 Difference]: Finished difference Result 71 states and 95 transitions. [2021-06-05 11:42:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 11:42:58,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-05 11:42:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:42:58,309 INFO L225 Difference]: With dead ends: 71 [2021-06-05 11:42:58,309 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 11:42:58,310 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 25.4ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 11:42:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 11:42:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 11:42:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 11:42:58,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2021-06-05 11:42:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:42:58,311 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 11:42:58,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 11:42:58,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 11:42:58,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-05 11:42:58,530 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 11:42:58,532 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 11:42:58,533 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:42:58,533 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:42:58,533 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:42:58,533 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:42:58,533 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:42:58,533 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:42:58,533 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:42:58,533 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 11:42:58,535 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 131 transitions, 270 flow [2021-06-05 11:42:58,553 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1263 states, 1256 states have (on average 2.1934713375796178) internal successors, (2755), 1262 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1263 states, 1256 states have (on average 2.1934713375796178) internal successors, (2755), 1262 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-05 11:42:58,557 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:42:58,557 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] [2021-06-05 11:42:58,557 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 11:42:58,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:42:58,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1325309630, now seen corresponding path program 1 times [2021-06-05 11:42:58,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:42:58,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814484883] [2021-06-05 11:42:58,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:42:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 11:42:58,598 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 11:42:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 11:42:58,615 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 11:42:58,639 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 11:42:58,639 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 11:42:58,639 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 11:42:58,640 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 11:42:58,640 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 11:42:58,640 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-05 11:42:58,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,651 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,651 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,653 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,655 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,661 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,661 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,662 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,666 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,666 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,666 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,666 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,667 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,667 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,668 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,668 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,670 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,670 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:42:58,675 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-05 11:42:58,675 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 11:42:58,677 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:42:58,677 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:42:58,677 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:42:58,677 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:42:58,677 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:42:58,677 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:42:58,678 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:42:58,678 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 11:42:58,680 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 139 places, 153 transitions, 324 flow [2021-06-05 11:42:59,847 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22611 states, 22594 states have (on average 3.298132247499336) internal successors, (74518), 22610 states have internal predecessors, (74518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 22611 states, 22594 states have (on average 3.298132247499336) internal successors, (74518), 22610 states have internal predecessors, (74518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:42:59,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-05 11:42:59,893 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:42:59,893 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] [2021-06-05 11:42:59,894 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:42:59,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:42:59,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1789020891, now seen corresponding path program 1 times [2021-06-05 11:42:59,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:42:59,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538176590] [2021-06-05 11:42:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:42:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:42:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:42:59,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:42:59,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538176590] [2021-06-05 11:42:59,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538176590] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:42:59,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:42:59,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 11:42:59,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90036355] [2021-06-05 11:42:59,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 11:42:59,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:42:59,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 11:42:59,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 11:43:00,016 INFO L87 Difference]: Start difference. First operand has 22611 states, 22594 states have (on average 3.298132247499336) internal successors, (74518), 22610 states have internal predecessors, (74518), 0 states have call successors, (0), 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 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:43:00,372 INFO L93 Difference]: Finished difference Result 36520 states and 102622 transitions. [2021-06-05 11:43:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 11:43:00,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-06-05 11:43:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:43:00,479 INFO L225 Difference]: With dead ends: 36520 [2021-06-05 11:43:00,479 INFO L226 Difference]: Without dead ends: 27457 [2021-06-05 11:43:00,480 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 11:43:00,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27457 states. [2021-06-05 11:43:01,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27457 to 20901. [2021-06-05 11:43:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20901 states, 20892 states have (on average 2.8395079456251198) internal successors, (59323), 20900 states have internal predecessors, (59323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20901 states to 20901 states and 59323 transitions. [2021-06-05 11:43:01,161 INFO L78 Accepts]: Start accepts. Automaton has 20901 states and 59323 transitions. Word has length 45 [2021-06-05 11:43:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:43:01,161 INFO L482 AbstractCegarLoop]: Abstraction has 20901 states and 59323 transitions. [2021-06-05 11:43:01,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 20901 states and 59323 transitions. [2021-06-05 11:43:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 11:43:01,211 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:43:01,211 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, 1, 1, 1, 1] [2021-06-05 11:43:01,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 11:43:01,212 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:43:01,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:43:01,212 INFO L82 PathProgramCache]: Analyzing trace with hash -955402387, now seen corresponding path program 1 times [2021-06-05 11:43:01,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:43:01,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906228072] [2021-06-05 11:43:01,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:43:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:43:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 11:43:01,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:43:01,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906228072] [2021-06-05 11:43:01,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906228072] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:43:01,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:43:01,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 11:43:01,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967028397] [2021-06-05 11:43:01,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 11:43:01,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:43:01,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 11:43:01,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 11:43:01,293 INFO L87 Difference]: Start difference. First operand 20901 states and 59323 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:43:01,513 INFO L93 Difference]: Finished difference Result 29219 states and 82055 transitions. [2021-06-05 11:43:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 11:43:01,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 11:43:01,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:43:01,566 INFO L225 Difference]: With dead ends: 29219 [2021-06-05 11:43:01,566 INFO L226 Difference]: Without dead ends: 24878 [2021-06-05 11:43:01,566 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 11:43:01,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24878 states. [2021-06-05 11:43:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24878 to 21336. [2021-06-05 11:43:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21336 states, 21328 states have (on average 2.8320986496624156) internal successors, (60403), 21335 states have internal predecessors, (60403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21336 states to 21336 states and 60403 transitions. [2021-06-05 11:43:02,091 INFO L78 Accepts]: Start accepts. Automaton has 21336 states and 60403 transitions. Word has length 55 [2021-06-05 11:43:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:43:02,091 INFO L482 AbstractCegarLoop]: Abstraction has 21336 states and 60403 transitions. [2021-06-05 11:43:02,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 21336 states and 60403 transitions. [2021-06-05 11:43:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 11:43:02,097 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:43:02,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:43:02,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 11:43:02,097 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:43:02,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:43:02,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1216967727, now seen corresponding path program 1 times [2021-06-05 11:43:02,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:43:02,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832872738] [2021-06-05 11:43:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:43:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:43:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:43:02,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:43:02,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832872738] [2021-06-05 11:43:02,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832872738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:43:02,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838227802] [2021-06-05 11:43:02,135 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 [2021-06-05 11:43:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:43:02,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-05 11:43:02,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 11:43:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:43:02,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838227802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:43:02,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 11:43:02,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-05 11:43:02,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949824642] [2021-06-05 11:43:02,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 11:43:02,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:43:02,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 11:43:02,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 11:43:02,400 INFO L87 Difference]: Start difference. First operand 21336 states and 60403 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:02,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:43:02,480 INFO L93 Difference]: Finished difference Result 20741 states and 59244 transitions. [2021-06-05 11:43:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 11:43:02,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-05 11:43:02,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:43:02,518 INFO L225 Difference]: With dead ends: 20741 [2021-06-05 11:43:02,519 INFO L226 Difference]: Without dead ends: 20741 [2021-06-05 11:43:02,519 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 25.0ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 11:43:02,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20741 states. [2021-06-05 11:43:02,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20741 to 20741. [2021-06-05 11:43:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20741 states, 20733 states have (on average 2.8574735928230357) internal successors, (59244), 20740 states have internal predecessors, (59244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 59244 transitions. [2021-06-05 11:43:02,981 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 59244 transitions. Word has length 71 [2021-06-05 11:43:02,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:43:02,981 INFO L482 AbstractCegarLoop]: Abstraction has 20741 states and 59244 transitions. [2021-06-05 11:43:02,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 59244 transitions. [2021-06-05 11:43:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-05 11:43:02,990 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:43:02,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:43:03,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 11:43:03,202 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:43:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:43:03,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1342079001, now seen corresponding path program 1 times [2021-06-05 11:43:03,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:43:03,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481936833] [2021-06-05 11:43:03,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:43:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:43:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:43:03,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:43:03,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481936833] [2021-06-05 11:43:03,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481936833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:43:03,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507866989] [2021-06-05 11:43:03,280 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 [2021-06-05 11:43:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:43:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 11:43:03,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 11:43:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:43:03,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507866989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:43:03,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 11:43:03,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-05 11:43:03,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249557386] [2021-06-05 11:43:03,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 11:43:03,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:43:03,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 11:43:03,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-05 11:43:03,486 INFO L87 Difference]: Start difference. First operand 20741 states and 59244 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:43:03,528 INFO L93 Difference]: Finished difference Result 1049 states and 2593 transitions. [2021-06-05 11:43:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 11:43:03,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-06-05 11:43:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:43:03,528 INFO L225 Difference]: With dead ends: 1049 [2021-06-05 11:43:03,528 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 11:43:03,529 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 50.8ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-06-05 11:43:03,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 11:43:03,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 11:43:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 11:43:03,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2021-06-05 11:43:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:43:03,529 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 11:43:03,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 11:43:03,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 11:43:03,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 11:43:03,745 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 11:43:03,745 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 11:43:03,746 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:43:03,746 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:43:03,746 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:43:03,746 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:43:03,746 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:43:03,746 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:43:03,746 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:43:03,746 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 11:43:03,747 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 139 places, 153 transitions, 324 flow [2021-06-05 11:43:04,877 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22611 states, 22594 states have (on average 3.298132247499336) internal successors, (74518), 22610 states have internal predecessors, (74518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 22611 states, 22594 states have (on average 3.298132247499336) internal successors, (74518), 22610 states have internal predecessors, (74518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:43:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 11:43:04,907 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:43:04,907 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] [2021-06-05 11:43:04,908 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 11:43:04,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:43:04,908 INFO L82 PathProgramCache]: Analyzing trace with hash -608798197, now seen corresponding path program 1 times [2021-06-05 11:43:04,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:43:04,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69092283] [2021-06-05 11:43:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:43:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 11:43:04,921 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 11:43:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 11:43:04,929 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 11:43:04,934 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 11:43:04,934 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 11:43:04,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 11:43:04,935 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 11:43:04,935 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 11:43:04,935 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,945 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,949 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,949 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,950 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,951 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:43:04,955 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-05 11:43:04,955 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 11:43:04,956 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:43:04,956 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:43:04,956 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:43:04,956 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:43:04,956 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:43:04,956 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:43:04,956 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:43:04,956 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 11:43:04,957 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 159 places, 175 transitions, 380 flow [2021-06-05 11:47:48,135 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 411321 states, 411278 states have (on average 4.395219292060358) internal successors, (1807657), 411320 states have internal predecessors, (1807657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:47:48,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 411321 states, 411278 states have (on average 4.395219292060358) internal successors, (1807657), 411320 states have internal predecessors, (1807657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:47:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-05 11:47:48,587 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:47:48,588 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] [2021-06-05 11:47:48,588 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:47:48,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:47:48,588 INFO L82 PathProgramCache]: Analyzing trace with hash 217797800, now seen corresponding path program 1 times [2021-06-05 11:47:48,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:47:48,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416893148] [2021-06-05 11:47:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:47:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:47:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:47:48,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:47:48,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416893148] [2021-06-05 11:47:48,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416893148] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:47:48,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:47:48,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 11:47:48,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155712809] [2021-06-05 11:47:48,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 11:47:48,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:47:48,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 11:47:48,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 11:47:49,050 INFO L87 Difference]: Start difference. First operand has 411321 states, 411278 states have (on average 4.395219292060358) internal successors, (1807657), 411320 states have internal predecessors, (1807657), 0 states have call successors, (0), 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 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:47:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:47:54,411 INFO L93 Difference]: Finished difference Result 630823 states and 2356638 transitions. [2021-06-05 11:47:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 11:47:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-06-05 11:47:54,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:47:57,378 INFO L225 Difference]: With dead ends: 630823 [2021-06-05 11:47:57,379 INFO L226 Difference]: Without dead ends: 573016 [2021-06-05 11:47:57,379 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 11:48:07,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573016 states. [2021-06-05 11:48:18,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573016 to 412581. [2021-06-05 11:48:18,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412581 states, 412552 states have (on average 3.770341678139968) internal successors, (1555462), 412580 states have internal predecessors, (1555462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:48:21,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412581 states to 412581 states and 1555462 transitions. [2021-06-05 11:48:21,553 INFO L78 Accepts]: Start accepts. Automaton has 412581 states and 1555462 transitions. Word has length 45 [2021-06-05 11:48:21,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:48:21,554 INFO L482 AbstractCegarLoop]: Abstraction has 412581 states and 1555462 transitions. [2021-06-05 11:48:21,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:48:21,554 INFO L276 IsEmpty]: Start isEmpty. Operand 412581 states and 1555462 transitions. [2021-06-05 11:48:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 11:48:21,555 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:48:21,555 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, 1, 1, 1, 1] [2021-06-05 11:48:21,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 11:48:21,555 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:48:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:48:21,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1286037980, now seen corresponding path program 1 times [2021-06-05 11:48:21,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:48:21,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470639050] [2021-06-05 11:48:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:48:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:48:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 11:48:21,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:48:21,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470639050] [2021-06-05 11:48:21,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470639050] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:48:21,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:48:21,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 11:48:21,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174886573] [2021-06-05 11:48:21,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 11:48:21,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:48:21,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 11:48:21,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 11:48:21,587 INFO L87 Difference]: Start difference. First operand 412581 states and 1555462 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:48:26,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:48:26,695 INFO L93 Difference]: Finished difference Result 613528 states and 2293417 transitions. [2021-06-05 11:48:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 11:48:26,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 11:48:26,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:48:29,561 INFO L225 Difference]: With dead ends: 613528 [2021-06-05 11:48:29,561 INFO L226 Difference]: Without dead ends: 583330 [2021-06-05 11:48:29,562 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 11:48:39,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583330 states. [2021-06-05 11:48:49,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583330 to 459558. [2021-06-05 11:48:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459558 states, 459531 states have (on average 3.771308138079912) internal successors, (1733033), 459557 states have internal predecessors, (1733033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:48:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459558 states to 459558 states and 1733033 transitions. [2021-06-05 11:48:55,134 INFO L78 Accepts]: Start accepts. Automaton has 459558 states and 1733033 transitions. Word has length 55 [2021-06-05 11:48:55,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:48:55,135 INFO L482 AbstractCegarLoop]: Abstraction has 459558 states and 1733033 transitions. [2021-06-05 11:48:55,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:48:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 459558 states and 1733033 transitions. [2021-06-05 11:48:55,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-06-05 11:48:55,171 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:48:55,171 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, 1, 1, 1, 1] [2021-06-05 11:48:55,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 11:48:55,171 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:48:55,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:48:55,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1225255711, now seen corresponding path program 1 times [2021-06-05 11:48:55,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:48:55,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760919891] [2021-06-05 11:48:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:48:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:48:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-05 11:48:55,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:48:55,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760919891] [2021-06-05 11:48:55,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760919891] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 11:48:55,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 11:48:55,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 11:48:55,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366985096] [2021-06-05 11:48:55,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 11:48:55,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:48:55,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 11:48:55,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 11:48:55,247 INFO L87 Difference]: Start difference. First operand 459558 states and 1733033 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:49:01,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:49:01,226 INFO L93 Difference]: Finished difference Result 634554 states and 2376893 transitions. [2021-06-05 11:49:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 11:49:01,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-06-05 11:49:01,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:49:05,252 INFO L225 Difference]: With dead ends: 634554 [2021-06-05 11:49:05,252 INFO L226 Difference]: Without dead ends: 580371 [2021-06-05 11:49:05,253 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 11:49:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580371 states. [2021-06-05 11:49:27,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580371 to 475365. [2021-06-05 11:49:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475365 states, 475339 states have (on average 3.774373657537042) internal successors, (1794107), 475364 states have internal predecessors, (1794107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:49:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475365 states to 475365 states and 1794107 transitions. [2021-06-05 11:49:31,940 INFO L78 Accepts]: Start accepts. Automaton has 475365 states and 1794107 transitions. Word has length 65 [2021-06-05 11:49:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:49:31,941 INFO L482 AbstractCegarLoop]: Abstraction has 475365 states and 1794107 transitions. [2021-06-05 11:49:31,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:49:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 475365 states and 1794107 transitions. [2021-06-05 11:49:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-05 11:49:31,957 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:49:31,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:49:31,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 11:49:31,958 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:49:31,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:49:31,958 INFO L82 PathProgramCache]: Analyzing trace with hash 802528436, now seen corresponding path program 1 times [2021-06-05 11:49:31,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:49:31,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336870905] [2021-06-05 11:49:31,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:49:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:49:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:49:31,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:49:31,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336870905] [2021-06-05 11:49:31,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336870905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:49:31,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207854616] [2021-06-05 11:49:31,988 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 [2021-06-05 11:49:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:49:32,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-05 11:49:32,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 11:49:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:49:32,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207854616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:49:32,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 11:49:32,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-05 11:49:32,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107778456] [2021-06-05 11:49:32,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 11:49:32,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:49:32,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 11:49:32,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 11:49:32,164 INFO L87 Difference]: Start difference. First operand 475365 states and 1794107 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:49:36,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:49:36,589 INFO L93 Difference]: Finished difference Result 474770 states and 1792948 transitions. [2021-06-05 11:49:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 11:49:36,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-05 11:49:36,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:49:40,253 INFO L225 Difference]: With dead ends: 474770 [2021-06-05 11:49:40,253 INFO L226 Difference]: Without dead ends: 474770 [2021-06-05 11:49:40,254 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 11:49:48,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474770 states. [2021-06-05 11:49:57,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474770 to 474770. [2021-06-05 11:49:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474770 states, 474744 states have (on average 3.7766627908936186) internal successors, (1792948), 474769 states have internal predecessors, (1792948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474770 states to 474770 states and 1792948 transitions. [2021-06-05 11:50:01,573 INFO L78 Accepts]: Start accepts. Automaton has 474770 states and 1792948 transitions. Word has length 71 [2021-06-05 11:50:01,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:50:01,573 INFO L482 AbstractCegarLoop]: Abstraction has 474770 states and 1792948 transitions. [2021-06-05 11:50:01,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 474770 states and 1792948 transitions. [2021-06-05 11:50:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-05 11:50:01,649 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:50:01,649 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:50:01,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 11:50:01,861 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:50:01,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:50:01,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1309790968, now seen corresponding path program 1 times [2021-06-05 11:50:01,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:50:01,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126747751] [2021-06-05 11:50:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:50:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:50:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:50:01,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:50:01,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126747751] [2021-06-05 11:50:01,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126747751] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:50:01,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711917732] [2021-06-05 11:50:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 11:50:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:50:01,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 11:50:01,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 11:50:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:50:02,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711917732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:50:02,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 11:50:02,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-05 11:50:02,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618326209] [2021-06-05 11:50:02,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 11:50:02,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:50:02,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 11:50:02,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-05 11:50:02,129 INFO L87 Difference]: Start difference. First operand 474770 states and 1792948 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:06,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:50:06,679 INFO L93 Difference]: Finished difference Result 458235 states and 1744777 transitions. [2021-06-05 11:50:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 11:50:06,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-06-05 11:50:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:50:10,357 INFO L225 Difference]: With dead ends: 458235 [2021-06-05 11:50:10,357 INFO L226 Difference]: Without dead ends: 458235 [2021-06-05 11:50:10,357 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 44.5ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-06-05 11:50:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458235 states. [2021-06-05 11:50:27,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458235 to 458235. [2021-06-05 11:50:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458235 states, 458209 states have (on average 3.807819139301061) internal successors, (1744777), 458234 states have internal predecessors, (1744777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458235 states to 458235 states and 1744777 transitions. [2021-06-05 11:50:31,187 INFO L78 Accepts]: Start accepts. Automaton has 458235 states and 1744777 transitions. Word has length 81 [2021-06-05 11:50:31,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:50:31,187 INFO L482 AbstractCegarLoop]: Abstraction has 458235 states and 1744777 transitions. [2021-06-05 11:50:31,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 458235 states and 1744777 transitions. [2021-06-05 11:50:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 11:50:31,334 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:50:31,334 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 11:50:31,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-05 11:50:31,541 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 11:50:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:50:31,543 INFO L82 PathProgramCache]: Analyzing trace with hash 603079707, now seen corresponding path program 1 times [2021-06-05 11:50:31,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:50:31,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977654144] [2021-06-05 11:50:31,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:50:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:50:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:50:31,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 11:50:31,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977654144] [2021-06-05 11:50:31,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977654144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:50:31,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341308469] [2021-06-05 11:50:31,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 11:50:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 11:50:31,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-05 11:50:31,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 11:50:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 11:50:31,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341308469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 11:50:31,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 11:50:31,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-05 11:50:31,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342762727] [2021-06-05 11:50:31,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 11:50:31,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 11:50:31,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 11:50:31,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-05 11:50:31,831 INFO L87 Difference]: Start difference. First operand 458235 states and 1744777 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:31,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 11:50:31,955 INFO L93 Difference]: Finished difference Result 18311 states and 63583 transitions. [2021-06-05 11:50:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 11:50:31,955 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 11:50:31,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 11:50:31,955 INFO L225 Difference]: With dead ends: 18311 [2021-06-05 11:50:31,955 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 11:50:31,956 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 65.1ms TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-06-05 11:50:31,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 11:50:31,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 11:50:31,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 11:50:31,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-06-05 11:50:31,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 11:50:31,956 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 11:50:31,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:50:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 11:50:31,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 11:50:32,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 11:50:32,170 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 11:50:32,170 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 11:50:32,171 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:50:32,171 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:50:32,171 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:50:32,171 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:50:32,171 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:50:32,171 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:50:32,171 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:50:32,171 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 11:50:32,172 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 159 places, 175 transitions, 380 flow [2021-06-05 11:55:06,775 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 411321 states, 411278 states have (on average 4.395219292060358) internal successors, (1807657), 411320 states have internal predecessors, (1807657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:55:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 411321 states, 411278 states have (on average 4.395219292060358) internal successors, (1807657), 411320 states have internal predecessors, (1807657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 11:55:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-06-05 11:55:07,247 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 11:55:07,247 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] [2021-06-05 11:55:07,247 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 11:55:07,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 11:55:07,248 INFO L82 PathProgramCache]: Analyzing trace with hash -878651501, now seen corresponding path program 1 times [2021-06-05 11:55:07,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 11:55:07,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387253670] [2021-06-05 11:55:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 11:55:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 11:55:07,258 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 11:55:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 11:55:07,269 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 11:55:07,281 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 11:55:07,282 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 11:55:07,282 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 11:55:07,282 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 11:55:07,282 WARN L242 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 11:55:07,282 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-05 11:55:07,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,305 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,305 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,307 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,307 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 11:55:07,312 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-05 11:55:07,312 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-05 11:55:07,313 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:55:07,313 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:55:07,313 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:55:07,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:55:07,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:55:07,313 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:55:07,313 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:55:07,313 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 11:55:07,314 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 197 transitions, 438 flow Received shutdown request... [2021-06-05 11:55:43,216 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 11:55:43,216 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-06-05 11:55:43,216 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 11:55:43,217 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 11:55:43,217 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 11:55:43,217 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 11:55:43,217 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 11:55:43,217 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 11:55:43,217 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 11:55:43,217 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 11:55:43,217 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 11:55:43,218 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 197 transitions, 438 flow [2021-06-05 11:55:43,218 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 11:55:43,218 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-06-05 11:55:43,218 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2021-06-05 11:55:43,220 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 11:55:43,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 11:55:43 BasicIcfg [2021-06-05 11:55:43,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 11:55:43,221 INFO L168 Benchmark]: Toolchain (without parser) took 766846.21 ms. Allocated memory was 346.0 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 308.4 MB in the beginning and 14.0 GB in the end (delta: -13.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-06-05 11:55:43,221 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 346.0 MB. Free memory was 326.6 MB in the beginning and 326.4 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 11:55:43,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.78 ms. Allocated memory is still 346.0 MB. Free memory was 308.2 MB in the beginning and 307.7 MB in the end (delta: 584.8 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-05 11:55:43,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.64 ms. Allocated memory is still 346.0 MB. Free memory was 307.7 MB in the beginning and 305.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 11:55:43,221 INFO L168 Benchmark]: Boogie Preprocessor took 27.05 ms. Allocated memory is still 346.0 MB. Free memory was 305.6 MB in the beginning and 303.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 11:55:43,221 INFO L168 Benchmark]: RCFGBuilder took 486.25 ms. Allocated memory is still 346.0 MB. Free memory was 303.5 MB in the beginning and 272.0 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-06-05 11:55:43,222 INFO L168 Benchmark]: TraceAbstraction took 765910.87 ms. Allocated memory was 346.0 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 272.0 MB in the beginning and 14.0 GB in the end (delta: -13.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-06-05 11:55:43,222 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 346.0 MB. Free memory was 326.6 MB in the beginning and 326.4 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 377.78 ms. Allocated memory is still 346.0 MB. Free memory was 308.2 MB in the beginning and 307.7 MB in the end (delta: 584.8 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.64 ms. Allocated memory is still 346.0 MB. Free memory was 307.7 MB in the beginning and 305.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.05 ms. Allocated memory is still 346.0 MB. Free memory was 305.6 MB in the beginning and 303.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 486.25 ms. Allocated memory is still 346.0 MB. Free memory was 303.5 MB in the beginning and 272.0 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 765910.87 ms. Allocated memory was 346.0 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 272.0 MB in the beginning and 14.0 GB in the end (delta: -13.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 685]: 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 179 places, 197 transitions, 438 flow. Already constructed 173504 states. Currently 30333 states in worklist.. - TimeoutResultAtElement [Line: 713]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 179 places, 197 transitions, 438 flow. Already constructed 2 states. Currently 1 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1134.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 17.9ms, AutomataDifference: 160.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 64.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 290 SDtfs, 387 SDslu, 643 SDs, 0 SdLazy, 47 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 56.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1263occurred 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: 43.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.0ms SsaConstructionTime, 76.0ms SatisfiabilityAnalysisTime, 379.8ms InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 SizeOfPredicates, 2 NumberOfNonLiveVariables, 181 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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, 153 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5067.7ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 109.8ms, AutomataDifference: 966.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1169.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 834 SDtfs, 1351 SDslu, 2043 SDs, 0 SdLazy, 131 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 123.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22611occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1667.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 10098 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.1ms SsaConstructionTime, 77.6ms SatisfiabilityAnalysisTime, 494.8ms InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 6 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 5/31 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, 171 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 447213.9ms, OverallIterations: 6, TraceHistogramMax: 3, EmptinessCheckTime: 715.8ms, AutomataDifference: 43188.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 283191.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1510 SDtfs, 2700 SDslu, 3823 SDs, 0 SdLazy, 237 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 159.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 209.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=475365occurred in iteration=3, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 118582.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 389213 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.2ms SsaConstructionTime, 124.4ms SatisfiabilityAnalysisTime, 569.9ms InterpolantComputationTime, 651 NumberOfCodeBlocks, 651 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 1203 SizeOfPredicates, 12 NumberOfNonLiveVariables, 600 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 25/117 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, 189 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 35903.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 35902.4ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 106.7ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 3.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1263occurred in iteration=0, 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: TRACE_CHECK: 1.5ms SsaConstructionTime, 32.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 153 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1188.8ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 29.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1131.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22611occurred in iteration=0, 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: TRACE_CHECK: 0.9ms SsaConstructionTime, 10.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 for thread instance sufficiency with 3 thread instances CFG has 5 procedures, 171 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 275111.1ms, OverallIterations: 1, TraceHistogramMax: 4, EmptinessCheckTime: 472.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 274603.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=411321occurred in iteration=0, 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: TRACE_CHECK: 0.9ms SsaConstructionTime, 7.3ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 for thread instance sufficiency with 4 thread instances CFG has 6 procedures, 189 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 1.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, 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