/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_21-sound_base.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:42:09,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:09,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:09,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:42:09,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:42:09,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:42:09,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:42:09,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:42:09,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:42:09,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:42:09,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:42:09,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:42:09,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:42:09,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:42:09,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:42:09,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:42:09,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 23:42:09,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:09,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:09,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:09,352 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 [2022-02-10 23:42:09,365 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:09,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:09,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:09,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:09,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:09,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:09,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:09,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:09,368 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:09,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:09,368 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:09,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:09,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:09,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:09,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:09,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:09,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:09,369 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:09,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:09,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:09,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:09,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:09,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:09,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:09,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:09,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:09,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:09,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:09,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:09,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:09,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:09,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:09,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:09,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:09,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:09,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:09,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:09,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:09,562 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:09,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2022-02-10 23:42:09,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b945f2c81/86522032d6544470bcf23562e27df2cf/FLAG4257272f1 [2022-02-10 23:42:10,013 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:10,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2022-02-10 23:42:10,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b945f2c81/86522032d6544470bcf23562e27df2cf/FLAG4257272f1 [2022-02-10 23:42:10,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b945f2c81/86522032d6544470bcf23562e27df2cf [2022-02-10 23:42:10,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:42:10,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:42:10,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:10,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:42:10,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:42:10,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23956dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10, skipping insertion in model container [2022-02-10 23:42:10,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:42:10,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:42:10,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:10,411 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:42:10,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:10,481 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:42:10,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10 WrapperNode [2022-02-10 23:42:10,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:10,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:10,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:42:10,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:42:10,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,515 INFO L137 Inliner]: procedures = 264, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-02-10 23:42:10,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:10,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:42:10,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:42:10,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:42:10,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:42:10,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:42:10,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:42:10,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:42:10,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (1/1) ... [2022-02-10 23:42:10,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:10,554 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) [2022-02-10 23:42:10,556 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 [2022-02-10 23:42:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:42:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:42:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:42:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:42:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:42:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:42:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:42:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:42:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:42:10,581 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:42:10,670 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:42:10,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:42:10,791 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:42:10,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:42:10,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:42:10,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:10 BoogieIcfgContainer [2022-02-10 23:42:10,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:42:10,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:42:10,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:42:10,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:42:10,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:42:10" (1/3) ... [2022-02-10 23:42:10,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c1811f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:10, skipping insertion in model container [2022-02-10 23:42:10,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:10" (2/3) ... [2022-02-10 23:42:10,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c1811f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:10, skipping insertion in model container [2022-02-10 23:42:10,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:10" (3/3) ... [2022-02-10 23:42:10,807 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2022-02-10 23:42:10,811 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:42:10,812 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:42:10,812 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-10 23:42:10,812 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:42:10,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,840 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,840 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,840 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,840 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,840 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,843 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,844 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,845 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:10,852 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 23:42:10,894 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:42:10,902 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, 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 [2022-02-10 23:42:10,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-10 23:42:10,909 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 72 transitions, 149 flow [2022-02-10 23:42:10,955 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 498 states, 487 states have (on average 1.9219712525667352) internal successors, (936), 497 states have internal predecessors, (936), 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) [2022-02-10 23:42:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 498 states, 487 states have (on average 1.9219712525667352) internal successors, (936), 497 states have internal predecessors, (936), 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) [2022-02-10 23:42:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-10 23:42:10,963 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:10,963 INFO L515 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] [2022-02-10 23:42:10,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-02-10 23:42:10,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash 390784551, now seen corresponding path program 1 times [2022-02-10 23:42:10,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:10,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354915685] [2022-02-10 23:42:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:10,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:11,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:11,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354915685] [2022-02-10 23:42:11,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354915685] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:11,180 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:11,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:11,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99415573] [2022-02-10 23:42:11,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:11,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:11,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:11,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:11,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:11,210 INFO L87 Difference]: Start difference. First operand has 498 states, 487 states have (on average 1.9219712525667352) internal successors, (936), 497 states have internal predecessors, (936), 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 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-02-10 23:42:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:11,267 INFO L93 Difference]: Finished difference Result 780 states and 1467 transitions. [2022-02-10 23:42:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:11,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2022-02-10 23:42:11,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:11,289 INFO L225 Difference]: With dead ends: 780 [2022-02-10 23:42:11,290 INFO L226 Difference]: Without dead ends: 780 [2022-02-10 23:42:11,293 INFO L933 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 [2022-02-10 23:42:11,297 INFO L934 BasicCegarLoop]: 85 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:11,299 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 149 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:11,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2022-02-10 23:42:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 507. [2022-02-10 23:42:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 496 states have (on average 1.9213709677419355) internal successors, (953), 506 states have internal predecessors, (953), 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) [2022-02-10 23:42:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 953 transitions. [2022-02-10 23:42:11,371 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 953 transitions. Word has length 27 [2022-02-10 23:42:11,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:11,371 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 953 transitions. [2022-02-10 23:42:11,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-02-10 23:42:11,372 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 953 transitions. [2022-02-10 23:42:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-10 23:42:11,372 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:11,373 INFO L515 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] [2022-02-10 23:42:11,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:42:11,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-02-10 23:42:11,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:11,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1866716367, now seen corresponding path program 1 times [2022-02-10 23:42:11,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:11,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391484141] [2022-02-10 23:42:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:11,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:11,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:11,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391484141] [2022-02-10 23:42:11,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391484141] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:11,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:11,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:42:11,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766908356] [2022-02-10 23:42:11,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:11,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:42:11,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:11,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:42:11,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:42:11,447 INFO L87 Difference]: Start difference. First operand 507 states and 953 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-02-10 23:42:11,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:11,476 INFO L93 Difference]: Finished difference Result 554 states and 1047 transitions. [2022-02-10 23:42:11,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:42:11,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2022-02-10 23:42:11,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:11,479 INFO L225 Difference]: With dead ends: 554 [2022-02-10 23:42:11,479 INFO L226 Difference]: Without dead ends: 554 [2022-02-10 23:42:11,479 INFO L933 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 [2022-02-10 23:42:11,482 INFO L934 BasicCegarLoop]: 95 mSDtfsCounter, 29 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:11,483 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 156 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:42:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2022-02-10 23:42:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 528. [2022-02-10 23:42:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 518 states have (on average 1.920849420849421) internal successors, (995), 527 states have internal predecessors, (995), 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) [2022-02-10 23:42:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 995 transitions. [2022-02-10 23:42:11,495 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 995 transitions. Word has length 30 [2022-02-10 23:42:11,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:11,495 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 995 transitions. [2022-02-10 23:42:11,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-02-10 23:42:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 995 transitions. [2022-02-10 23:42:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-10 23:42:11,496 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:11,496 INFO L515 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] [2022-02-10 23:42:11,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:42:11,497 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2022-02-10 23:42:11,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:11,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1341387050, now seen corresponding path program 1 times [2022-02-10 23:42:11,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:11,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870098256] [2022-02-10 23:42:11,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:11,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:11,528 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:42:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:11,573 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:42:11,574 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:42:11,574 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-02-10 23:42:11,578 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-02-10 23:42:11,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-02-10 23:42:11,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:42:11,583 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 23:42:11,588 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:42:11,588 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:42:11,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:42:11 BasicIcfg [2022-02-10 23:42:11,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:42:11,618 INFO L158 Benchmark]: Toolchain (without parser) took 1569.53ms. Allocated memory was 208.7MB in the beginning and 283.1MB in the end (delta: 74.4MB). Free memory was 151.8MB in the beginning and 163.4MB in the end (delta: -11.7MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-02-10 23:42:11,619 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory was 170.6MB in the beginning and 170.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:42:11,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.87ms. Allocated memory was 208.7MB in the beginning and 283.1MB in the end (delta: 74.4MB). Free memory was 151.6MB in the beginning and 240.0MB in the end (delta: -88.3MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-02-10 23:42:11,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.59ms. Allocated memory is still 283.1MB. Free memory was 239.5MB in the beginning and 237.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:42:11,622 INFO L158 Benchmark]: Boogie Preprocessor took 14.82ms. Allocated memory is still 283.1MB. Free memory was 237.4MB in the beginning and 236.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:42:11,622 INFO L158 Benchmark]: RCFGBuilder took 266.52ms. Allocated memory is still 283.1MB. Free memory was 236.3MB in the beginning and 223.2MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 23:42:11,623 INFO L158 Benchmark]: TraceAbstraction took 819.24ms. Allocated memory is still 283.1MB. Free memory was 222.7MB in the beginning and 163.4MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-02-10 23:42:11,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory was 170.6MB in the beginning and 170.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.87ms. Allocated memory was 208.7MB in the beginning and 283.1MB in the end (delta: 74.4MB). Free memory was 151.6MB in the beginning and 240.0MB in the end (delta: -88.3MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.59ms. Allocated memory is still 283.1MB. Free memory was 239.5MB in the beginning and 237.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.82ms. Allocated memory is still 283.1MB. Free memory was 237.4MB in the beginning and 236.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 266.52ms. Allocated memory is still 283.1MB. Free memory was 236.3MB in the beginning and 223.2MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 819.24ms. Allocated memory is still 283.1MB. Free memory was 222.7MB in the beginning and 163.4MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L920] 0 void (*f)() = good; VAL [={-1:0}, global=0] [L926] 0 pthread_t id; VAL [={-1:0}, global=0, id={8:0}] [L927] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0, id={8:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L928] 0 f = bad VAL [={-1:2}, global=0, id={8:0}] [L922] 1 f() VAL [={-1:2}, arg={0:0}, arg={0:0}, global=0] Now there is a data race on ~f~0 between C: f = bad [928] and C: f() [922] - UnprovableResult [Line: 928]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 927]: 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: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 918]: 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, 102 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 127 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 180 mSDtfsCounter, 23 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=528occurred in iteration=2, 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, 299 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 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 [2022-02-10 23:42:11,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...