/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 12:09:24,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-14 12:09:24,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-14 12:09:24,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-14 12:09:24,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-14 12:09:24,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-14 12:09:24,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-14 12:09:24,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-14 12:09:24,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-14 12:09:24,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-14 12:09:24,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-14 12:09:24,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-14 12:09:24,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-14 12:09:24,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-14 12:09:24,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-14 12:09:24,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-14 12:09:24,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-14 12:09:24,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-14 12:09:24,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-14 12:09:24,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-14 12:09:24,155 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-PN-NoLbe.epf [2021-10-14 12:09:24,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 12:09:24,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 12:09:24,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 12:09:24,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 12:09:24,171 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 12:09:24,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 12:09:24,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 12:09:24,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 12:09:24,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 12:09:24,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 12:09:24,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 12:09:24,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:09:24,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 12:09:24,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 12:09:24,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-14 12:09:24,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 12:09:24,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 12:09:24,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 12:09:24,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 12:09:24,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 12:09:24,381 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 12:09:24,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i [2021-10-14 12:09:24,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde49763d/8fab3c4b8561407f80ea7194375884c7/FLAG9f842d674 [2021-10-14 12:09:24,889 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 12:09:24,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_27-base_rc.i [2021-10-14 12:09:24,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde49763d/8fab3c4b8561407f80ea7194375884c7/FLAG9f842d674 [2021-10-14 12:09:25,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde49763d/8fab3c4b8561407f80ea7194375884c7 [2021-10-14 12:09:25,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 12:09:25,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 12:09:25,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 12:09:25,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 12:09:25,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 12:09:25,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322f66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25, skipping insertion in model container [2021-10-14 12:09:25,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 12:09:25,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 12:09:25,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:09:25,654 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 12:09:25,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:09:25,716 INFO L208 MainTranslator]: Completed translation [2021-10-14 12:09:25,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25 WrapperNode [2021-10-14 12:09:25,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 12:09:25,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 12:09:25,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 12:09:25,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 12:09:25,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 12:09:25,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 12:09:25,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 12:09:25,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 12:09:25,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 12:09:25,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 12:09:25,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 12:09:25,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 12:09:25,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (1/1) ... [2021-10-14 12:09:25,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:09:25,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 12:09:25,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-14 12:09:25,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-14 12:09:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 12:09:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 12:09:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 12:09:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-14 12:09:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-14 12:09:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-14 12:09:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-14 12:09:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 12:09:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 12:09:25,880 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 12:09:26,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 12:09:26,165 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-14 12:09:26,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:09:26 BoogieIcfgContainer [2021-10-14 12:09:26,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 12:09:26,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 12:09:26,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 12:09:26,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 12:09:26,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:09:25" (1/3) ... [2021-10-14 12:09:26,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44adc442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:09:26, skipping insertion in model container [2021-10-14 12:09:26,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:25" (2/3) ... [2021-10-14 12:09:26,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44adc442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:09:26, skipping insertion in model container [2021-10-14 12:09:26,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:09:26" (3/3) ... [2021-10-14 12:09:26,172 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2021-10-14 12:09:26,176 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 12:09:26,176 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-14 12:09:26,176 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 12:09:26,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,203 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,203 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,206 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,206 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,207 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,207 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:26,236 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-14 12:09:26,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 12:09:26,282 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-14 12:09:26,282 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-14 12:09:26,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 90 transitions, 185 flow [2021-10-14 12:09:26,340 INFO L129 PetriNetUnfolder]: 1/89 cut-off events. [2021-10-14 12:09:26,341 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:09:26,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 1/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-10-14 12:09:26,343 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 90 transitions, 185 flow [2021-10-14 12:09:26,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 89 transitions, 181 flow [2021-10-14 12:09:26,361 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-10-14 12:09:26,361 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:09:26,361 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:26,362 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-14 12:09:26,362 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 12:09:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1357051525, now seen corresponding path program 1 times [2021-10-14 12:09:26,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:26,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627273594] [2021-10-14 12:09:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:26,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:26,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:26,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627273594] [2021-10-14 12:09:26,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627273594] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:26,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:26,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:09:26,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648545806] [2021-10-14 12:09:26,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:26,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:26,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:26,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:26,577 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 90 [2021-10-14 12:09:26,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:26,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 90 [2021-10-14 12:09:26,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:26,660 INFO L129 PetriNetUnfolder]: 8/217 cut-off events. [2021-10-14 12:09:26,661 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:09:26,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 217 events. 8/217 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 897 event pairs, 2 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 208. Up to 13 conditions per place. [2021-10-14 12:09:26,666 INFO L132 encePairwiseOnDemand]: 85/90 looper letters, 6 selfloop transitions, 4 changer transitions 0/92 dead transitions. [2021-10-14 12:09:26,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 207 flow [2021-10-14 12:09:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2021-10-14 12:09:26,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9629629629629629 [2021-10-14 12:09:26,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 260 transitions. [2021-10-14 12:09:26,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 260 transitions. [2021-10-14 12:09:26,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:26,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 260 transitions. [2021-10-14 12:09:26,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,695 INFO L186 Difference]: Start difference. First operand has 92 places, 89 transitions, 181 flow. Second operand 3 states and 260 transitions. [2021-10-14 12:09:26,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 207 flow [2021-10-14 12:09:26,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 92 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-14 12:09:26,703 INFO L242 Difference]: Finished difference. Result has 95 places, 92 transitions, 210 flow [2021-10-14 12:09:26,705 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2021-10-14 12:09:26,705 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, 3 predicate places. [2021-10-14 12:09:26,706 INFO L470 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 210 flow [2021-10-14 12:09:26,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,706 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:26,706 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-14 12:09:26,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 12:09:26,707 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 12:09:26,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:26,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1982700248, now seen corresponding path program 1 times [2021-10-14 12:09:26,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:26,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219206962] [2021-10-14 12:09:26,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:26,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:26,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:26,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219206962] [2021-10-14 12:09:26,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219206962] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:26,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:26,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-14 12:09:26,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482108470] [2021-10-14 12:09:26,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:26,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:26,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:26,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:26,814 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 90 [2021-10-14 12:09:26,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:26,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 90 [2021-10-14 12:09:26,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:26,890 INFO L129 PetriNetUnfolder]: 13/200 cut-off events. [2021-10-14 12:09:26,890 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-14 12:09:26,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 200 events. 13/200 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 724 event pairs, 4 based on Foata normal form. 2/193 useless extension candidates. Maximal degree in co-relation 224. Up to 33 conditions per place. [2021-10-14 12:09:26,893 INFO L132 encePairwiseOnDemand]: 84/90 looper letters, 13 selfloop transitions, 5 changer transitions 2/94 dead transitions. [2021-10-14 12:09:26,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 242 flow [2021-10-14 12:09:26,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2021-10-14 12:09:26,895 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2021-10-14 12:09:26,896 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2021-10-14 12:09:26,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2021-10-14 12:09:26,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:26,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2021-10-14 12:09:26,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,899 INFO L186 Difference]: Start difference. First operand has 95 places, 92 transitions, 210 flow. Second operand 3 states and 250 transitions. [2021-10-14 12:09:26,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 242 flow [2021-10-14 12:09:26,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 94 transitions, 230 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-10-14 12:09:26,902 INFO L242 Difference]: Finished difference. Result has 93 places, 90 transitions, 203 flow [2021-10-14 12:09:26,902 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2021-10-14 12:09:26,903 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, 1 predicate places. [2021-10-14 12:09:26,903 INFO L470 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 203 flow [2021-10-14 12:09:26,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,903 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:26,903 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-14 12:09:26,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 12:09:26,904 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 12:09:26,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:26,904 INFO L82 PathProgramCache]: Analyzing trace with hash 118333833, now seen corresponding path program 1 times [2021-10-14 12:09:26,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:26,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277560772] [2021-10-14 12:09:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:26,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:26,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:26,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277560772] [2021-10-14 12:09:26,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277560772] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:26,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:26,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:09:26,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975922126] [2021-10-14 12:09:26,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:26,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:26,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:26,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:26,956 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 90 [2021-10-14 12:09:26,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:26,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:26,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 90 [2021-10-14 12:09:26,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:26,998 INFO L129 PetriNetUnfolder]: 22/234 cut-off events. [2021-10-14 12:09:26,998 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-14 12:09:26,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 234 events. 22/234 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 876 event pairs, 15 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 294. Up to 47 conditions per place. [2021-10-14 12:09:27,000 INFO L132 encePairwiseOnDemand]: 85/90 looper letters, 11 selfloop transitions, 3 changer transitions 2/93 dead transitions. [2021-10-14 12:09:27,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 93 transitions, 241 flow [2021-10-14 12:09:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2021-10-14 12:09:27,002 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9185185185185185 [2021-10-14 12:09:27,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2021-10-14 12:09:27,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2021-10-14 12:09:27,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:27,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2021-10-14 12:09:27,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,004 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,004 INFO L186 Difference]: Start difference. First operand has 93 places, 90 transitions, 203 flow. Second operand 3 states and 248 transitions. [2021-10-14 12:09:27,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 93 transitions, 241 flow [2021-10-14 12:09:27,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 93 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-14 12:09:27,010 INFO L242 Difference]: Finished difference. Result has 96 places, 91 transitions, 218 flow [2021-10-14 12:09:27,011 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=96, PETRI_TRANSITIONS=91} [2021-10-14 12:09:27,011 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, 4 predicate places. [2021-10-14 12:09:27,011 INFO L470 AbstractCegarLoop]: Abstraction has has 96 places, 91 transitions, 218 flow [2021-10-14 12:09:27,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,012 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:27,012 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-14 12:09:27,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-14 12:09:27,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 12:09:27,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:27,013 INFO L82 PathProgramCache]: Analyzing trace with hash 908649837, now seen corresponding path program 1 times [2021-10-14 12:09:27,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:27,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748589906] [2021-10-14 12:09:27,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:27,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:27,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:27,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748589906] [2021-10-14 12:09:27,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748589906] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:27,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:27,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:09:27,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334359288] [2021-10-14 12:09:27,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:27,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:27,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:27,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:27,093 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 90 [2021-10-14 12:09:27,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 91 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:27,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 90 [2021-10-14 12:09:27,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:27,152 INFO L129 PetriNetUnfolder]: 20/243 cut-off events. [2021-10-14 12:09:27,152 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-10-14 12:09:27,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 243 events. 20/243 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 913 event pairs, 13 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 330. Up to 44 conditions per place. [2021-10-14 12:09:27,153 INFO L132 encePairwiseOnDemand]: 85/90 looper letters, 11 selfloop transitions, 3 changer transitions 5/94 dead transitions. [2021-10-14 12:09:27,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 94 transitions, 260 flow [2021-10-14 12:09:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2021-10-14 12:09:27,154 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9185185185185185 [2021-10-14 12:09:27,155 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2021-10-14 12:09:27,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2021-10-14 12:09:27,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:27,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2021-10-14 12:09:27,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,156 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,156 INFO L186 Difference]: Start difference. First operand has 96 places, 91 transitions, 218 flow. Second operand 3 states and 248 transitions. [2021-10-14 12:09:27,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 94 transitions, 260 flow [2021-10-14 12:09:27,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 94 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-14 12:09:27,160 INFO L242 Difference]: Finished difference. Result has 98 places, 89 transitions, 220 flow [2021-10-14 12:09:27,160 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=98, PETRI_TRANSITIONS=89} [2021-10-14 12:09:27,161 INFO L334 CegarLoopForPetriNet]: 92 programPoint places, 6 predicate places. [2021-10-14 12:09:27,161 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 89 transitions, 220 flow [2021-10-14 12:09:27,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:27,161 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:27,161 INFO L254 CegarLoopForPetriNet]: 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] [2021-10-14 12:09:27,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-14 12:09:27,161 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 12:09:27,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:27,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2043814613, now seen corresponding path program 1 times [2021-10-14 12:09:27,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:27,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034657369] [2021-10-14 12:09:27,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:27,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-14 12:09:27,194 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-14 12:09:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-14 12:09:27,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-14 12:09:27,248 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-14 12:09:27,248 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:27,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:27,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 12:09:27,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:27,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:27,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:27,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-14 12:09:27,256 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 12:09:27,256 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 12:09:27,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:09:27 BasicIcfg [2021-10-14 12:09:27,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 12:09:27,306 INFO L168 Benchmark]: Toolchain (without parser) took 2060.50 ms. Allocated memory was 210.8 MB in the beginning and 266.3 MB in the end (delta: 55.6 MB). Free memory was 159.6 MB in the beginning and 215.8 MB in the end (delta: -56.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:09:27,306 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 210.8 MB. Free memory is still 177.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:09:27,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.57 ms. Allocated memory is still 210.8 MB. Free memory was 159.5 MB in the beginning and 170.6 MB in the end (delta: -11.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:27,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.36 ms. Allocated memory is still 210.8 MB. Free memory was 170.6 MB in the beginning and 168.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:27,310 INFO L168 Benchmark]: Boogie Preprocessor took 25.94 ms. Allocated memory is still 210.8 MB. Free memory was 168.5 MB in the beginning and 166.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:27,310 INFO L168 Benchmark]: RCFGBuilder took 370.89 ms. Allocated memory is still 210.8 MB. Free memory was 166.9 MB in the beginning and 154.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:27,311 INFO L168 Benchmark]: TraceAbstraction took 1136.64 ms. Allocated memory was 210.8 MB in the beginning and 266.3 MB in the end (delta: 55.6 MB). Free memory was 154.3 MB in the beginning and 215.8 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:09:27,317 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 210.8 MB. Free memory is still 177.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 470.57 ms. Allocated memory is still 210.8 MB. Free memory was 159.5 MB in the beginning and 170.6 MB in the end (delta: -11.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 51.36 ms. Allocated memory is still 210.8 MB. Free memory was 170.6 MB in the beginning and 168.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.94 ms. Allocated memory is still 210.8 MB. Free memory was 168.5 MB in the beginning and 166.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 370.89 ms. Allocated memory is still 210.8 MB. Free memory was 166.9 MB in the beginning and 154.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1136.64 ms. Allocated memory was 210.8 MB in the beginning and 266.3 MB in the end (delta: 55.6 MB). Free memory was 154.3 MB in the beginning and 215.8 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 913]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 int global; VAL [global=0] [L911] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [global=0, gm={5:0}] [L920] 0 void (*f)() = good; VAL [={-1:0}, global=0, gm={5:0}] [L921] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L931] 0 pthread_t id; VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L923] 1 void (*g)(); VAL [={-1:0}, fm={6:0}, global=0, gm={5:0}] [L934] 0 f = bad VAL [={-1:2}, fm={6:0}, global=0, gm={5:0}] [L913] 1 global++ VAL [={-1:2}, fm={6:0}, global=1, gm={5:0}] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 917]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 980.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 349.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 65.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 43 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 52 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=4, InterpolantAutomatonStates: 12, 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: 21.6ms SsaConstructionTime, 118.4ms SatisfiabilityAnalysisTime, 195.5ms InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-14 12:09:27,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...