./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 16:52:45,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 16:52:45,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 16:52:45,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 16:52:45,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 16:52:45,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 16:52:45,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 16:52:45,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 16:52:45,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 16:52:45,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 16:52:45,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 16:52:45,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 16:52:45,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 16:52:45,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 16:52:45,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 16:52:45,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 16:52:45,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 16:52:45,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 16:52:45,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 16:52:45,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 16:52:45,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 16:52:45,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 16:52:45,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 16:52:45,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 16:52:45,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 16:52:45,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 16:52:45,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 16:52:45,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 16:52:45,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 16:52:45,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 16:52:45,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 16:52:45,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 16:52:45,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 16:52:46,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 16:52:46,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 16:52:46,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 16:52:46,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 16:52:46,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 16:52:46,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 16:52:46,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 16:52:46,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 16:52:46,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 16:52:46,045 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 16:52:46,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 16:52:46,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 16:52:46,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 16:52:46,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 16:52:46,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 16:52:46,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 16:52:46,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 16:52:46,049 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 16:52:46,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 16:52:46,050 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 16:52:46,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 16:52:46,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 16:52:46,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 16:52:46,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 16:52:46,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 16:52:46,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 16:52:46,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 16:52:46,051 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 16:52:46,051 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 16:52:46,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 16:52:46,052 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 16:52:46,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 16:52:46,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 16:52:46,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 16:52:46,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 16:52:46,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:52:46,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 16:52:46,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 16:52:46,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 16:52:46,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 16:52:46,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 16:52:46,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 16:52:46,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 16:52:46,055 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 16:52:46,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 16:52:46,055 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 16:52:46,055 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 16:52:46,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 16:52:46,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 16:52:46,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 16:52:46,388 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 16:52:46,389 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 16:52:46,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-08-29 16:52:47,539 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 16:52:47,844 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 16:52:47,845 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-08-29 16:52:47,877 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66a4b6b9/503bb166349b41cf9823c98fcf1bbf9f/FLAGb4a100e21 [2023-08-29 16:52:48,111 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66a4b6b9/503bb166349b41cf9823c98fcf1bbf9f [2023-08-29 16:52:48,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 16:52:48,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 16:52:48,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 16:52:48,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 16:52:48,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 16:52:48,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:52:48" (1/1) ... [2023-08-29 16:52:48,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6480d754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:48, skipping insertion in model container [2023-08-29 16:52:48,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:52:48" (1/1) ... [2023-08-29 16:52:48,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 16:52:48,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 16:52:48,783 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-08-29 16:52:48,835 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-08-29 16:52:48,842 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-08-29 16:52:48,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:52:48,873 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 16:52:48,908 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-08-29 16:52:48,931 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-08-29 16:52:48,935 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-08-29 16:52:48,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:52:49,081 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:52:49,081 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:52:49,087 INFO L208 MainTranslator]: Completed translation [2023-08-29 16:52:49,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49 WrapperNode [2023-08-29 16:52:49,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 16:52:49,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 16:52:49,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 16:52:49,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 16:52:49,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,301 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 3299 [2023-08-29 16:52:49,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 16:52:49,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 16:52:49,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 16:52:49,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 16:52:49,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 16:52:49,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 16:52:49,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 16:52:49,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 16:52:49,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (1/1) ... [2023-08-29 16:52:49,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:52:49,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 16:52:49,598 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) [2023-08-29 16:52:49,619 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 [2023-08-29 16:52:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-08-29 16:52:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-08-29 16:52:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 16:52:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 16:52:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 16:52:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 16:52:49,635 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 16:52:50,048 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 16:52:50,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 16:52:53,079 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 16:52:54,291 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 16:52:54,292 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-29 16:52:54,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:52:54 BoogieIcfgContainer [2023-08-29 16:52:54,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 16:52:54,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 16:52:54,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 16:52:54,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 16:52:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:52:48" (1/3) ... [2023-08-29 16:52:54,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34181ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:52:54, skipping insertion in model container [2023-08-29 16:52:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:52:49" (2/3) ... [2023-08-29 16:52:54,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34181ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:52:54, skipping insertion in model container [2023-08-29 16:52:54,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:52:54" (3/3) ... [2023-08-29 16:52:54,306 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2023-08-29 16:52:54,314 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 16:52:54,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 16:52:54,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 256 error locations. [2023-08-29 16:52:54,322 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 16:52:54,532 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 16:52:54,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2261 places, 2328 transitions, 4664 flow [2023-08-29 16:52:56,112 INFO L130 PetriNetUnfolder]: 131/4331 cut-off events. [2023-08-29 16:52:56,112 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 16:52:56,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4337 conditions, 4331 events. 131/4331 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 23275 event pairs, 0 based on Foata normal form. 0/3715 useless extension candidates. Maximal degree in co-relation 2214. Up to 6 conditions per place. [2023-08-29 16:52:56,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 2261 places, 2328 transitions, 4664 flow [2023-08-29 16:52:56,218 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2261 places, 2328 transitions, 4664 flow [2023-08-29 16:52:56,221 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 16:52:56,229 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2261 places, 2328 transitions, 4664 flow [2023-08-29 16:52:56,231 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2261 places, 2328 transitions, 4664 flow [2023-08-29 16:52:56,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2261 places, 2328 transitions, 4664 flow [2023-08-29 16:52:57,377 INFO L130 PetriNetUnfolder]: 131/4331 cut-off events. [2023-08-29 16:52:57,378 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 16:52:57,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4337 conditions, 4331 events. 131/4331 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 23275 event pairs, 0 based on Foata normal form. 0/3715 useless extension candidates. Maximal degree in co-relation 2214. Up to 6 conditions per place. [2023-08-29 16:52:57,614 INFO L119 LiptonReduction]: Number of co-enabled transitions 827708 [2023-08-29 16:53:07,614 WARN L222 SmtUtils]: Spent 7.23s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:53:19,791 WARN L222 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:53:31,501 WARN L222 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:53:43,584 WARN L222 SmtUtils]: Spent 9.09s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:53:56,179 WARN L222 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:54:08,861 WARN L222 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:54:20,643 WARN L222 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:54:34,211 WARN L222 SmtUtils]: Spent 9.89s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:54:46,343 WARN L222 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:54:58,623 WARN L222 SmtUtils]: Spent 8.97s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:55:12,761 WARN L222 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:55:25,109 WARN L222 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:55:38,246 WARN L222 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:55:50,890 WARN L222 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:56:03,128 WARN L222 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:56:15,460 WARN L222 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:56:27,297 WARN L222 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:56:39,655 WARN L222 SmtUtils]: Spent 8.83s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:56:52,489 WARN L222 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:57:05,201 WARN L222 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:57:17,138 WARN L222 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:57:29,627 WARN L222 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:57:42,759 WARN L222 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:57:56,497 WARN L222 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:58:08,308 WARN L222 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:58:20,134 WARN L222 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:58:31,447 WARN L222 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:58:44,734 WARN L222 SmtUtils]: Spent 9.54s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:58:57,222 WARN L222 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:59:10,112 WARN L222 SmtUtils]: Spent 9.58s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:59:21,448 WARN L222 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:59:34,378 WARN L222 SmtUtils]: Spent 9.20s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:59:46,594 WARN L222 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:59:59,720 WARN L222 SmtUtils]: Spent 9.62s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:00:13,635 WARN L222 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:00:28,144 WARN L222 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:00:40,308 WARN L222 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:00:53,085 WARN L222 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:01:05,587 WARN L222 SmtUtils]: Spent 7.15s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:01:17,927 WARN L222 SmtUtils]: Spent 9.02s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:01:31,346 WARN L222 SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:01:43,354 WARN L222 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:02:49,778 WARN L222 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 127 DAG size of output: 115 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:03:02,815 WARN L222 SmtUtils]: Spent 8.89s on a formula simplification. DAG size of input: 131 DAG size of output: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:04:30,099 WARN L222 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:04:35,206 WARN L222 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:41,524 WARN L222 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:47,550 WARN L222 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:01,996 WARN L222 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:07,267 WARN L222 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:25,524 WARN L222 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15