/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_14-funarg_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 12:44:44,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:44:44,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:44:44,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 12:44:44,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 12:44:44,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 12:44:44,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 12:44:44,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 12:44:44,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 12:44:44,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 12:44:44,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 12:44:44,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 12:44:44,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 12:44:44,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 12:44:44,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 12:44:44,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 12:44:44,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 12:44:44,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:44:44,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:44:44,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:44:44,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-15 12:44:44,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:44:44,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:44:44,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:44:44,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:44:44,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:44:44,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:44:44,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:44:44,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:44:44,249 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:44:44,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:44:44,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:44:44,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:44:44,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:44:44,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:44:44,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:44:44,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:44:44,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:44:44,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:44:44,252 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:44:44,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:44:44,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-15 12:44:44,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:44:44,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:44:44,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:44:44,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:44:44,493 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:44:44,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2022-02-15 12:44:44,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a89d33a/c375c6a20d5b4926ac7ccc68edffeaa8/FLAG8ceb9c270 [2022-02-15 12:44:45,000 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:44:45,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2022-02-15 12:44:45,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a89d33a/c375c6a20d5b4926ac7ccc68edffeaa8/FLAG8ceb9c270 [2022-02-15 12:44:45,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a89d33a/c375c6a20d5b4926ac7ccc68edffeaa8 [2022-02-15 12:44:45,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:44:45,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:44:45,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:44:45,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:44:45,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:44:45,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8bdb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45, skipping insertion in model container [2022-02-15 12:44:45,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:44:45,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:44:45,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:44:45,481 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:44:45,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:44:45,575 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:44:45,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45 WrapperNode [2022-02-15 12:44:45,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:44:45,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:44:45,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:44:45,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:44:45,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,620 INFO L137 Inliner]: procedures = 263, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-02-15 12:44:45,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:44:45,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:44:45,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:44:45,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:44:45,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:44:45,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:44:45,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:44:45,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:44:45,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (1/1) ... [2022-02-15 12:44:45,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:44:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:44:45,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 12:44:45,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 12:44:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 12:44:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 12:44:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 12:44:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:44:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:44:45,725 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 12:44:45,855 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:44:45,857 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:44:46,041 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:44:46,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:44:46,047 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 12:44:46,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:44:46 BoogieIcfgContainer [2022-02-15 12:44:46,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:44:46,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:44:46,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:44:46,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:44:46,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:44:45" (1/3) ... [2022-02-15 12:44:46,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671a1113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:44:46, skipping insertion in model container [2022-02-15 12:44:46,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:45" (2/3) ... [2022-02-15 12:44:46,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671a1113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:44:46, skipping insertion in model container [2022-02-15 12:44:46,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:44:46" (3/3) ... [2022-02-15 12:44:46,056 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2022-02-15 12:44:46,061 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:44:46,061 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:44:46,061 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-15 12:44:46,061 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:44:46,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,107 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,108 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:46,111 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 12:44:46,157 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:44:46,163 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 12:44:46,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-15 12:44:46,171 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 92 transitions, 192 flow [2022-02-15 12:44:46,232 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 559 states, 548 states have (on average 1.885036496350365) internal successors, (1033), 558 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 559 states, 548 states have (on average 1.885036496350365) internal successors, (1033), 558 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-15 12:44:46,241 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:46,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:46,242 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:46,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash 37517169, now seen corresponding path program 1 times [2022-02-15 12:44:46,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:46,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869477211] [2022-02-15 12:44:46,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:46,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:46,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869477211] [2022-02-15 12:44:46,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869477211] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:46,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:46,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:44:46,445 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534255878] [2022-02-15 12:44:46,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:46,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:46,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:46,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:46,476 INFO L87 Difference]: Start difference. First operand has 559 states, 548 states have (on average 1.885036496350365) internal successors, (1033), 558 states have internal predecessors, (1033), 0 states have call successors, (0), 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 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:46,540 INFO L93 Difference]: Finished difference Result 680 states and 1244 transitions. [2022-02-15 12:44:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:46,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-02-15 12:44:46,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:46,556 INFO L225 Difference]: With dead ends: 680 [2022-02-15 12:44:46,557 INFO L226 Difference]: Without dead ends: 680 [2022-02-15 12:44:46,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:46,561 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 40 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:46,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 160 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-02-15 12:44:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 524. [2022-02-15 12:44:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 517 states have (on average 1.8607350096711799) internal successors, (962), 523 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 962 transitions. [2022-02-15 12:44:46,649 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 962 transitions. Word has length 41 [2022-02-15 12:44:46,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:46,650 INFO L470 AbstractCegarLoop]: Abstraction has 524 states and 962 transitions. [2022-02-15 12:44:46,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 962 transitions. [2022-02-15 12:44:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 12:44:46,654 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:46,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:46,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:44:46,655 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:46,659 INFO L85 PathProgramCache]: Analyzing trace with hash 399059508, now seen corresponding path program 1 times [2022-02-15 12:44:46,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:46,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793606840] [2022-02-15 12:44:46,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:46,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:44:46,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:46,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793606840] [2022-02-15 12:44:46,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793606840] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:46,743 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:46,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:44:46,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016516731] [2022-02-15 12:44:46,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:46,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:44:46,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:44:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:46,746 INFO L87 Difference]: Start difference. First operand 524 states and 962 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:46,776 INFO L93 Difference]: Finished difference Result 561 states and 1033 transitions. [2022-02-15 12:44:46,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:44:46,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-15 12:44:46,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:46,780 INFO L225 Difference]: With dead ends: 561 [2022-02-15 12:44:46,780 INFO L226 Difference]: Without dead ends: 552 [2022-02-15 12:44:46,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:44:46,782 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 31 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:46,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 174 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:44:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-02-15 12:44:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 528. [2022-02-15 12:44:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 523 states have (on average 1.852772466539197) internal successors, (969), 527 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 969 transitions. [2022-02-15 12:44:46,810 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 969 transitions. Word has length 45 [2022-02-15 12:44:46,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:46,810 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 969 transitions. [2022-02-15 12:44:46,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:44:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 969 transitions. [2022-02-15 12:44:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 12:44:46,813 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:46,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:44:46,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:44:46,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:46,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:46,814 INFO L85 PathProgramCache]: Analyzing trace with hash -880354559, now seen corresponding path program 1 times [2022-02-15 12:44:46,814 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:46,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886216507] [2022-02-15 12:44:46,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:46,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:44:46,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 12:44:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:44:46,945 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 12:44:46,945 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 12:44:46,946 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-15 12:44:46,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-15 12:44:46,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-15 12:44:46,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-02-15 12:44:46,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-15 12:44:46,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-15 12:44:46,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-15 12:44:46,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-15 12:44:46,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 12:44:46,952 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-15 12:44:46,956 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 12:44:46,956 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 12:44:46,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:44:46 BasicIcfg [2022-02-15 12:44:46,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 12:44:46,999 INFO L158 Benchmark]: Toolchain (without parser) took 1961.35ms. Allocated memory was 199.2MB in the beginning and 291.5MB in the end (delta: 92.3MB). Free memory was 143.9MB in the beginning and 238.9MB in the end (delta: -95.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:44:46,999 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 199.2MB. Free memory was 162.0MB in the beginning and 162.0MB in the end (delta: 68.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:44:47,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.91ms. Allocated memory was 199.2MB in the beginning and 291.5MB in the end (delta: 92.3MB). Free memory was 143.7MB in the beginning and 247.6MB in the end (delta: -103.9MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-02-15 12:44:47,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.58ms. Allocated memory is still 291.5MB. Free memory was 247.6MB in the beginning and 245.1MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 12:44:47,001 INFO L158 Benchmark]: Boogie Preprocessor took 19.85ms. Allocated memory is still 291.5MB. Free memory was 245.1MB in the beginning and 243.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 12:44:47,001 INFO L158 Benchmark]: RCFGBuilder took 407.78ms. Allocated memory is still 291.5MB. Free memory was 243.7MB in the beginning and 230.5MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-15 12:44:47,001 INFO L158 Benchmark]: TraceAbstraction took 947.56ms. Allocated memory is still 291.5MB. Free memory was 230.1MB in the beginning and 238.9MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:44:47,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 199.2MB. Free memory was 162.0MB in the beginning and 162.0MB in the end (delta: 68.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 536.91ms. Allocated memory was 199.2MB in the beginning and 291.5MB in the end (delta: 92.3MB). Free memory was 143.7MB in the beginning and 247.6MB in the end (delta: -103.9MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.58ms. Allocated memory is still 291.5MB. Free memory was 247.6MB in the beginning and 245.1MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.85ms. Allocated memory is still 291.5MB. Free memory was 245.1MB in the beginning and 243.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 407.78ms. Allocated memory is still 291.5MB. Free memory was 243.7MB in the beginning and 230.5MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 947.56ms. Allocated memory is still 291.5MB. Free memory was 230.1MB in the beginning and 238.9MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 934]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L931] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: printf("myglobal equals %d\n",myglobal) [934] - UnprovableResult [Line: 937]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 137 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 198 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=559occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 180 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 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 could not prove your program: unable to determine feasibility of some traces [2022-02-15 12:44:47,065 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...