/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-MCRwithDepranks-Lazy-NoForkJoinOpt.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/05-lval_ls_03-fld_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 03:16:33,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 03:16:33,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 03:16:33,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 03:16:33,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 03:16:33,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 03:16:33,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 03:16:33,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 03:16:33,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 03:16:33,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 03:16:33,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 03:16:33,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 03:16:33,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 03:16:33,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 03:16:33,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 03:16:33,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 03:16:33,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 03:16:33,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 03:16:33,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 03:16:33,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 03:16:33,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 03:16:33,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-02 03:16:33,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 03:16:33,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 03:16:33,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 03:16:33,350 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 03:16:33,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 03:16:33,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 03:16:33,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 03:16:33,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 03:16:33,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 03:16:33,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 03:16:33,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 03:16:33,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 03:16:33,380 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 03:16:33,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 03:16:33,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 03:16:33,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 03:16:33,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 03:16:33,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 03:16:33,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 03:16:33,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 03:16:33,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 03:16:33,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 03:16:33,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 03:16:33,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 03:16:33,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 03:16:33,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 03:16:33,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 03:16:33,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 03:16:33,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 03:16:33,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:16:33,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 03:16:33,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 03:16:33,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 03:16:33,385 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 03:16:33,385 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 03:16:33,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-02 03:16:33,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 03:16:33,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 03:16:33,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 03:16:33,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 03:16:33,602 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 03:16:33,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_03-fld_rc.i [2022-03-02 03:16:33,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3cccf69/37ddcb1dca3b42b49c04bc1a49dff9f6/FLAGc8fad363f [2022-03-02 03:16:34,186 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 03:16:34,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_03-fld_rc.i [2022-03-02 03:16:34,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3cccf69/37ddcb1dca3b42b49c04bc1a49dff9f6/FLAGc8fad363f [2022-03-02 03:16:34,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3cccf69/37ddcb1dca3b42b49c04bc1a49dff9f6 [2022-03-02 03:16:34,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 03:16:34,631 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 03:16:34,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 03:16:34,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 03:16:34,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 03:16:34,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 03:16:34" (1/1) ... [2022-03-02 03:16:34,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b37960a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:34, skipping insertion in model container [2022-03-02 03:16:34,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 03:16:34" (1/1) ... [2022-03-02 03:16:34,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 03:16:34,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 03:16:34,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 03:16:34,991 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 03:16:35,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 03:16:35,054 INFO L208 MainTranslator]: Completed translation [2022-03-02 03:16:35,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35 WrapperNode [2022-03-02 03:16:35,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 03:16:35,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 03:16:35,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 03:16:35,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 03:16:35,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,105 INFO L137 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-03-02 03:16:35,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 03:16:35,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 03:16:35,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 03:16:35,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 03:16:35,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 03:16:35,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 03:16:35,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 03:16:35,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 03:16:35,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (1/1) ... [2022-03-02 03:16:35,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 03:16:35,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:16:35,155 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) [2022-03-02 03:16:35,172 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 [2022-03-02 03:16:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 03:16:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-02 03:16:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 03:16:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 03:16:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-02 03:16:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-02 03:16:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 03:16:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 03:16:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 03:16:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 03:16:35,190 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 03:16:35,285 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 03:16:35,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 03:16:35,388 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 03:16:35,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 03:16:35,394 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 03:16:35,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:16:35 BoogieIcfgContainer [2022-03-02 03:16:35,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 03:16:35,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 03:16:35,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 03:16:35,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 03:16:35,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 03:16:34" (1/3) ... [2022-03-02 03:16:35,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769d02b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:16:35, skipping insertion in model container [2022-03-02 03:16:35,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 03:16:35" (2/3) ... [2022-03-02 03:16:35,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769d02b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:16:35, skipping insertion in model container [2022-03-02 03:16:35,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:16:35" (3/3) ... [2022-03-02 03:16:35,402 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_03-fld_rc.i [2022-03-02 03:16:35,406 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 03:16:35,406 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 03:16:35,406 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-02 03:16:35,406 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 03:16:35,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,443 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,443 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 03:16:35,445 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-02 03:16:35,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 03:16:35,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 03:16:35,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 03:16:35,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 03:16:35,548 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 03:16:35,560 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 03:16:35,561 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-02 03:16:35,630 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 41 transitions and produced 42 states. [2022-03-02 03:16:35,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-02 03:16:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:16:35,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1403730733, now seen corresponding path program 1 times [2022-03-02 03:16:35,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:16:35,652 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477290555] [2022-03-02 03:16:35,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:16:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:16:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:16:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:16:35,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:16:35,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477290555] [2022-03-02 03:16:35,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477290555] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:16:35,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:16:35,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:16:35,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482106784] [2022-03-02 03:16:35,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:16:35,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:16:35,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:16:35,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:16:35,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:16:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:16:35,944 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:16:35,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-03-02 03:16:35,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:16:35,975 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-03-02 03:16:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:35,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 03:16:35,976 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-02 03:16:35,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:16:35,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1078270459, now seen corresponding path program 1 times [2022-03-02 03:16:35,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:16:35,979 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770990805] [2022-03-02 03:16:35,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:16:35,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:16:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:16:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:16:36,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:16:36,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770990805] [2022-03-02 03:16:36,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770990805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:16:36,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:16:36,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:16:36,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851078889] [2022-03-02 03:16:36,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:16:36,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:16:36,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:16:36,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:16:36,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:16:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:16:36,064 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:16:36,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-03-02 03:16:36,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:16:36,100 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states. [2022-03-02 03:16:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 03:16:36,101 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-02 03:16:36,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:16:36,102 INFO L85 PathProgramCache]: Analyzing trace with hash -429808452, now seen corresponding path program 1 times [2022-03-02 03:16:36,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:16:36,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33942821] [2022-03-02 03:16:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:16:36,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:16:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 03:16:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 03:16:36,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 03:16:36,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33942821] [2022-03-02 03:16:36,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33942821] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 03:16:36,164 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 03:16:36,164 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 03:16:36,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853219012] [2022-03-02 03:16:36,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 03:16:36,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 03:16:36,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 03:16:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 03:16:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 03:16:36,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:16:36,165 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 03:16:36,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 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) [2022-03-02 03:16:36,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:16:36,258 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 376 transitions and produced 249 states. [2022-03-02 03:16:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 03:16:36,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-02 03:16:36,259 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-02 03:16:36,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 03:16:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 76725945, now seen corresponding path program 1 times [2022-03-02 03:16:36,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 03:16:36,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843143285] [2022-03-02 03:16:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 03:16:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 03:16:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 03:16:36,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 03:16:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 03:16:36,311 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 03:16:36,311 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 03:16:36,312 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-02 03:16:36,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-02 03:16:36,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-02 03:16:36,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-02 03:16:36,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-02 03:16:36,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-02 03:16:36,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-02 03:16:36,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-02 03:16:36,320 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-02 03:16:36,324 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 03:16:36,324 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 03:16:36,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 03:16:36 BasicIcfg [2022-03-02 03:16:36,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 03:16:36,368 INFO L158 Benchmark]: Toolchain (without parser) took 1736.55ms. Allocated memory is still 200.3MB. Free memory was 150.0MB in the beginning and 165.3MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 03:16:36,369 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 200.3MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 03:16:36,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.47ms. Allocated memory is still 200.3MB. Free memory was 149.7MB in the beginning and 169.7MB in the end (delta: -20.0MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-03-02 03:16:36,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.13ms. Allocated memory is still 200.3MB. Free memory was 169.7MB in the beginning and 167.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 03:16:36,370 INFO L158 Benchmark]: Boogie Preprocessor took 18.39ms. Allocated memory is still 200.3MB. Free memory was 167.7MB in the beginning and 166.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 03:16:36,371 INFO L158 Benchmark]: RCFGBuilder took 270.52ms. Allocated memory is still 200.3MB. Free memory was 166.6MB in the beginning and 155.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-02 03:16:36,371 INFO L158 Benchmark]: TraceAbstraction took 970.76ms. Allocated memory is still 200.3MB. Free memory was 154.6MB in the beginning and 165.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 03:16:36,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 200.3MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 420.47ms. Allocated memory is still 200.3MB. Free memory was 149.7MB in the beginning and 169.7MB in the end (delta: -20.0MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.13ms. Allocated memory is still 200.3MB. Free memory was 169.7MB in the beginning and 167.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.39ms. Allocated memory is still 200.3MB. Free memory was 167.7MB in the beginning and 166.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 270.52ms. Allocated memory is still 200.3MB. Free memory was 166.6MB in the beginning and 155.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 970.76ms. Allocated memory is still 200.3MB. Free memory was 154.6MB in the beginning and 165.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 696]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int glob; VAL [glob=0] [L680-L683] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [glob=0, m={1:0}] [L693] 0 pthread_t id; VAL [glob=0, id={2:0}, m={1:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L696] 0 glob++ VAL [arg={0:0}, glob=1, glob++=49, glob++=0, id={2:0}, m={1:0}] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, m={1:0}] [L696] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=49, glob++=0, id={2:0}, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [686] and C: glob++ [696] - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: 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: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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, 88 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-03-02 03:16:36,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-02 03:16:36,635 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...