/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --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_19-call_by_ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:07,445 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:07,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-16 22:46:07,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:07,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:07,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:07,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:07,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:07,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:07,567 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:07,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:07,567 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:07,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:07,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:07,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:07,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:07,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:07,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:07,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:07,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:07,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:07,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:07,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:07,734 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:07,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2021-10-16 22:46:07,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4553ebae0/14024fdc98314f3eb37ab8dde167fb4c/FLAGdd5c269f6 [2021-10-16 22:46:08,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:08,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2021-10-16 22:46:08,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4553ebae0/14024fdc98314f3eb37ab8dde167fb4c/FLAGdd5c269f6 [2021-10-16 22:46:08,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4553ebae0/14024fdc98314f3eb37ab8dde167fb4c [2021-10-16 22:46:08,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:08,583 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:08,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:08,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:08,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:08,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:08,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ec7ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08, skipping insertion in model container [2021-10-16 22:46:08,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:08,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:08,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:08,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:08,897 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:08,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:08,963 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08 WrapperNode [2021-10-16 22:46:08,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:08,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:08,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:08,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:08,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:08,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:09,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:09,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:09,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:09,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:09,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:09,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:09,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:09,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (1/1) ... [2021-10-16 22:46:09,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:09,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:09,081 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) [2021-10-16 22:46:09,100 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 [2021-10-16 22:46:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:46:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:09,113 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:46:09,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:09,378 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-16 22:46:09,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:09 BoogieIcfgContainer [2021-10-16 22:46:09,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:09,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:09,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:09,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:09,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:08" (1/3) ... [2021-10-16 22:46:09,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74efe8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:09, skipping insertion in model container [2021-10-16 22:46:09,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:08" (2/3) ... [2021-10-16 22:46:09,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74efe8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:09, skipping insertion in model container [2021-10-16 22:46:09,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:09" (3/3) ... [2021-10-16 22:46:09,385 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2021-10-16 22:46:09,388 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:09,388 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:09,389 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 22:46:09,389 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:09,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,405 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:09,417 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 22:46:09,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:09,453 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-16 22:46:09,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 22:46:09,460 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 95 transitions, 198 flow [2021-10-16 22:46:09,523 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 717 states, 714 states have (on average 1.9481792717086834) internal successors, (1391), 716 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 717 states, 714 states have (on average 1.9481792717086834) internal successors, (1391), 716 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 22:46:09,532 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:09,532 INFO L517 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] [2021-10-16 22:46:09,533 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:09,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:09,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1474961203, now seen corresponding path program 1 times [2021-10-16 22:46:09,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:09,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874376220] [2021-10-16 22:46:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:09,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:09,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:09,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874376220] [2021-10-16 22:46:09,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874376220] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:09,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:09,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:09,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029990638] [2021-10-16 22:46:09,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:09,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:09,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:09,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:09,752 INFO L87 Difference]: Start difference. First operand has 717 states, 714 states have (on average 1.9481792717086834) internal successors, (1391), 716 states have internal predecessors, (1391), 0 states have call successors, (0), 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 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:09,827 INFO L93 Difference]: Finished difference Result 817 states and 1577 transitions. [2021-10-16 22:46:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:09,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2021-10-16 22:46:09,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:09,841 INFO L225 Difference]: With dead ends: 817 [2021-10-16 22:46:09,841 INFO L226 Difference]: Without dead ends: 754 [2021-10-16 22:46:09,842 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2021-10-16 22:46:09,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 688. [2021-10-16 22:46:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 685 states have (on average 1.9328467153284672) internal successors, (1324), 687 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1324 transitions. [2021-10-16 22:46:09,918 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1324 transitions. Word has length 32 [2021-10-16 22:46:09,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:09,919 INFO L470 AbstractCegarLoop]: Abstraction has 688 states and 1324 transitions. [2021-10-16 22:46:09,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:09,919 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1324 transitions. [2021-10-16 22:46:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-16 22:46:09,921 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:09,921 INFO L517 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] [2021-10-16 22:46:09,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:09,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:09,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:09,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2133151726, now seen corresponding path program 1 times [2021-10-16 22:46:09,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:09,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901611949] [2021-10-16 22:46:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:09,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:09,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:09,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901611949] [2021-10-16 22:46:09,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901611949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:09,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:09,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:09,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121473442] [2021-10-16 22:46:09,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:09,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:09,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:09,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:09,989 INFO L87 Difference]: Start difference. First operand 688 states and 1324 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:10,013 INFO L93 Difference]: Finished difference Result 710 states and 1365 transitions. [2021-10-16 22:46:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2021-10-16 22:46:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:10,016 INFO L225 Difference]: With dead ends: 710 [2021-10-16 22:46:10,016 INFO L226 Difference]: Without dead ends: 470 [2021-10-16 22:46:10,016 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:10,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-10-16 22:46:10,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 462. [2021-10-16 22:46:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 460 states have (on average 1.8) internal successors, (828), 461 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 828 transitions. [2021-10-16 22:46:10,025 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 828 transitions. Word has length 46 [2021-10-16 22:46:10,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:10,026 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 828 transitions. [2021-10-16 22:46:10,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 828 transitions. [2021-10-16 22:46:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-16 22:46:10,032 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:10,032 INFO L517 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] [2021-10-16 22:46:10,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:10,033 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:10,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:10,036 INFO L82 PathProgramCache]: Analyzing trace with hash -687203005, now seen corresponding path program 1 times [2021-10-16 22:46:10,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:10,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061520120] [2021-10-16 22:46:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:10,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:10,074 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:46:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:10,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:46:10,105 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:46:10,106 WARN L672 BasicCegarLoop]: Found data race on ~glob~0 between C: glob+1 [690] and C: glob=glob+1 [684] [2021-10-16 22:46:10,107 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:10,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:10,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:10,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:10,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:10,114 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:10,115 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:10,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:10 BasicIcfg [2021-10-16 22:46:10,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:10,159 INFO L168 Benchmark]: Toolchain (without parser) took 1574.96 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 138.4 MB in the beginning and 118.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 58.5 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:10,161 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 190.8 MB. Free memory was 156.0 MB in the beginning and 155.9 MB in the end (delta: 67.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:10,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.53 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 138.1 MB in the beginning and 198.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:10,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.28 ms. Allocated memory is still 229.6 MB. Free memory was 198.6 MB in the beginning and 196.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:10,163 INFO L168 Benchmark]: Boogie Preprocessor took 28.40 ms. Allocated memory is still 229.6 MB. Free memory was 196.5 MB in the beginning and 194.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:10,164 INFO L168 Benchmark]: RCFGBuilder took 337.16 ms. Allocated memory is still 229.6 MB. Free memory was 194.9 MB in the beginning and 181.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:10,164 INFO L168 Benchmark]: TraceAbstraction took 776.20 ms. Allocated memory is still 229.6 MB. Free memory was 180.8 MB in the beginning and 118.4 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:10,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 190.8 MB. Free memory was 156.0 MB in the beginning and 155.9 MB in the end (delta: 67.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 378.53 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 138.1 MB in the beginning and 198.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.28 ms. Allocated memory is still 229.6 MB. Free memory was 198.6 MB in the beginning and 196.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.40 ms. Allocated memory is still 229.6 MB. Free memory was 196.5 MB in the beginning and 194.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 337.16 ms. Allocated memory is still 229.6 MB. Free memory was 194.9 MB in the beginning and 181.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 776.20 ms. Allocated memory is still 229.6 MB. Free memory was 180.8 MB in the beginning and 118.4 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. 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: 684]: the program contains a data race the program contains a data race We found a FailurePath: [L679] 0 int glob; VAL [glob=0] [L680] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={3:0}] [L681] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={3:0}, mutex2={5:0}] [L695] 0 pthread_t id; VAL [glob=0, mutex1={3:0}, mutex2={5:0}] [L696] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, mutex1={3:0}, mutex2={5:0}] [L684] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob+1=27, glob=glob+1=26, mutex1={3:0}, mutex2={5:0}] [L674] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, glob=1, glob+1=27, glob=glob+1=26, mutex1={3:0}, mutex2={5:0}] [L674] COND TRUE 0 i < 10 VAL [arg={0:0}, arg={0:0}, glob=1, glob+1=27, glob=glob+1=26, mutex1={3:0}, mutex2={5:0}] [L675] COND TRUE 0 __VERIFIER_nondet_int() VAL [arg={0:0}, arg={0:0}, glob=1, glob+1=27, glob=glob+1=26, mutex1={3:0}, mutex2={5:0}] [L684] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob+1=27, glob=glob+1=26, mutex1={3:0}, mutex2={5:0}] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 110 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 665.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 17.1ms, AutomataDifference: 130.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 69.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 226 SDtfs, 62 SDslu, 148 SDs, 0 SdLazy, 28 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=717occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 68.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 74 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.5ms SsaConstructionTime, 85.9ms SatisfiabilityAnalysisTime, 102.9ms InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 22:46:10,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...