./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:54:35,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:54:35,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:54:35,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:54:35,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:54:35,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:54:35,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:54:35,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:54:35,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:54:35,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:54:35,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:54:35,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:54:35,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:54:35,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:54:35,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:54:35,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:54:35,804 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:54:35,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:54:35,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:54:35,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:54:35,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:54:35,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:54:35,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:54:35,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:54:35,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:54:35,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:54:35,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:54:35,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:54:35,810 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 [2024-11-13 14:54:36,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:54:36,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:54:36,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:54:36,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:54:36,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:54:36,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i Unable to find full path for "g++" [2024-11-13 14:54:38,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:54:38,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:54:38,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2024-11-13 14:54:38,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/data/75383f084/8648227920674239836834b015989cb6/FLAG4906dc309 [2024-11-13 14:54:38,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/data/75383f084/8648227920674239836834b015989cb6 [2024-11-13 14:54:38,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:54:38,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:54:38,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:54:38,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:54:38,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:54:38,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:54:38" (1/1) ... [2024-11-13 14:54:38,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdfde56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:38, skipping insertion in model container [2024-11-13 14:54:38,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:54:38" (1/1) ... [2024-11-13 14:54:38,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:54:39,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:54:39,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:54:39,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:54:39,779 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:54:39,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39 WrapperNode [2024-11-13 14:54:39,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:54:39,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:54:39,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:54:39,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:54:39,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,829 INFO L138 Inliner]: procedures = 265, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2024-11-13 14:54:39,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:54:39,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:54:39,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:54:39,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:54:39,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:54:39,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:54:39,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:54:39,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:54:39,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (1/1) ... [2024-11-13 14:54:39,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:54:39,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:54:39,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:54:39,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:54:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:54:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 14:54:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:54:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:54:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:54:39,959 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:54:40,157 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:54:40,159 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:54:40,469 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:54:40,469 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:54:40,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:54:40,505 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:54:40,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:54:40 BoogieIcfgContainer [2024-11-13 14:54:40,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:54:40,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:54:40,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:54:40,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:54:40,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:54:38" (1/3) ... [2024-11-13 14:54:40,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45500057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:54:40, skipping insertion in model container [2024-11-13 14:54:40,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:39" (2/3) ... [2024-11-13 14:54:40,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45500057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:54:40, skipping insertion in model container [2024-11-13 14:54:40,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:54:40" (3/3) ... [2024-11-13 14:54:40,519 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2024-11-13 14:54:40,539 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:54:40,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_11-ptr_rc.i that has 2 procedures, 87 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-13 14:54:40,541 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:54:40,623 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 14:54:40,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 179 flow [2024-11-13 14:54:40,732 INFO L124 PetriNetUnfolderBase]: 0/85 cut-off events. [2024-11-13 14:54:40,734 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:54:40,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 85 events. 0/85 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-13 14:54:40,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 86 transitions, 179 flow [2024-11-13 14:54:40,746 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 80 transitions, 163 flow [2024-11-13 14:54:40,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:54:40,766 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d34d36b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:54:40,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 14:54:40,796 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:54:40,796 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2024-11-13 14:54:40,797 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:54:40,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:40,798 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:40,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:54:40,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2086999887, now seen corresponding path program 1 times [2024-11-13 14:54:40,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:40,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122016795] [2024-11-13 14:54:40,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:40,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:42,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:42,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122016795] [2024-11-13 14:54:42,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122016795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:42,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:42,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:54:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207821339] [2024-11-13 14:54:42,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:42,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:54:42,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:42,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:54:42,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:54:42,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 86 [2024-11-13 14:54:42,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2024-11-13 14:54:42,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:42,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 86 [2024-11-13 14:54:42,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:42,754 INFO L124 PetriNetUnfolderBase]: 102/394 cut-off events. [2024-11-13 14:54:42,754 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:54:42,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 394 events. 102/394 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1853 event pairs, 52 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 591. Up to 181 conditions per place. [2024-11-13 14:54:42,760 INFO L140 encePairwiseOnDemand]: 75/86 looper letters, 28 selfloop transitions, 22 changer transitions 0/109 dead transitions. [2024-11-13 14:54:42,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 109 transitions, 321 flow [2024-11-13 14:54:42,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:54:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:54:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 435 transitions. [2024-11-13 14:54:42,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8430232558139535 [2024-11-13 14:54:42,780 INFO L175 Difference]: Start difference. First operand has 84 places, 80 transitions, 163 flow. Second operand 6 states and 435 transitions. [2024-11-13 14:54:42,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 109 transitions, 321 flow [2024-11-13 14:54:42,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 109 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:54:42,797 INFO L231 Difference]: Finished difference. Result has 93 places, 101 transitions, 312 flow [2024-11-13 14:54:42,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=312, PETRI_PLACES=93, PETRI_TRANSITIONS=101} [2024-11-13 14:54:42,807 INFO L277 CegarLoopForPetriNet]: 84 programPoint places, 9 predicate places. [2024-11-13 14:54:42,808 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 101 transitions, 312 flow [2024-11-13 14:54:42,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2024-11-13 14:54:42,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:42,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:42,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:54:42,809 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:54:42,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:42,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1426814940, now seen corresponding path program 1 times [2024-11-13 14:54:42,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:42,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940771783] [2024-11-13 14:54:42,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:42,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:43,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:43,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940771783] [2024-11-13 14:54:43,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940771783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:43,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:43,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:54:43,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958283853] [2024-11-13 14:54:43,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:43,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:54:43,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:54:43,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:54:43,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 86 [2024-11-13 14:54:43,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 101 transitions, 312 flow. Second operand has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2024-11-13 14:54:43,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:43,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 86 [2024-11-13 14:54:43,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:43,814 INFO L124 PetriNetUnfolderBase]: 133/498 cut-off events. [2024-11-13 14:54:43,814 INFO L125 PetriNetUnfolderBase]: For 125/136 co-relation queries the response was YES. [2024-11-13 14:54:43,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 965 conditions, 498 events. 133/498 cut-off events. For 125/136 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2642 event pairs, 43 based on Foata normal form. 1/476 useless extension candidates. Maximal degree in co-relation 922. Up to 220 conditions per place. [2024-11-13 14:54:43,833 INFO L140 encePairwiseOnDemand]: 75/86 looper letters, 41 selfloop transitions, 26 changer transitions 0/130 dead transitions. [2024-11-13 14:54:43,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 130 transitions, 522 flow [2024-11-13 14:54:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:54:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:54:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 435 transitions. [2024-11-13 14:54:43,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8430232558139535 [2024-11-13 14:54:43,842 INFO L175 Difference]: Start difference. First operand has 93 places, 101 transitions, 312 flow. Second operand 6 states and 435 transitions. [2024-11-13 14:54:43,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 130 transitions, 522 flow [2024-11-13 14:54:43,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 130 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:54:43,859 INFO L231 Difference]: Finished difference. Result has 103 places, 122 transitions, 496 flow [2024-11-13 14:54:43,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=496, PETRI_PLACES=103, PETRI_TRANSITIONS=122} [2024-11-13 14:54:43,863 INFO L277 CegarLoopForPetriNet]: 84 programPoint places, 19 predicate places. [2024-11-13 14:54:43,864 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 122 transitions, 496 flow [2024-11-13 14:54:43,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2024-11-13 14:54:43,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:43,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:43,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:54:43,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:54:43,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:43,870 INFO L85 PathProgramCache]: Analyzing trace with hash -435031656, now seen corresponding path program 1 times [2024-11-13 14:54:43,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:43,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984143436] [2024-11-13 14:54:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:44,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:44,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984143436] [2024-11-13 14:54:44,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984143436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:44,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:44,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:54:44,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626077404] [2024-11-13 14:54:44,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:44,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:54:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:54:44,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:54:44,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 86 [2024-11-13 14:54:44,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 122 transitions, 496 flow. Second operand has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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) [2024-11-13 14:54:44,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:44,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 86 [2024-11-13 14:54:44,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:44,935 INFO L124 PetriNetUnfolderBase]: 267/825 cut-off events. [2024-11-13 14:54:44,935 INFO L125 PetriNetUnfolderBase]: For 539/555 co-relation queries the response was YES. [2024-11-13 14:54:44,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 825 events. 267/825 cut-off events. For 539/555 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4771 event pairs, 81 based on Foata normal form. 2/786 useless extension candidates. Maximal degree in co-relation 2049. Up to 476 conditions per place. [2024-11-13 14:54:44,944 INFO L140 encePairwiseOnDemand]: 71/86 looper letters, 66 selfloop transitions, 53 changer transitions 4/177 dead transitions. [2024-11-13 14:54:44,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 177 transitions, 986 flow [2024-11-13 14:54:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:54:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:54:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 421 transitions. [2024-11-13 14:54:44,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8158914728682171 [2024-11-13 14:54:44,961 INFO L175 Difference]: Start difference. First operand has 103 places, 122 transitions, 496 flow. Second operand 6 states and 421 transitions. [2024-11-13 14:54:44,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 177 transitions, 986 flow [2024-11-13 14:54:44,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 177 transitions, 986 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:54:44,972 INFO L231 Difference]: Finished difference. Result has 113 places, 169 transitions, 978 flow [2024-11-13 14:54:44,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=978, PETRI_PLACES=113, PETRI_TRANSITIONS=169} [2024-11-13 14:54:44,973 INFO L277 CegarLoopForPetriNet]: 84 programPoint places, 29 predicate places. [2024-11-13 14:54:44,973 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 169 transitions, 978 flow [2024-11-13 14:54:44,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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) [2024-11-13 14:54:44,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:44,974 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:44,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:54:44,975 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:54:44,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:44,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1821877082, now seen corresponding path program 1 times [2024-11-13 14:54:44,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:44,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800391826] [2024-11-13 14:54:44,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:44,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:45,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:45,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800391826] [2024-11-13 14:54:45,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800391826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:45,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:45,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:54:45,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561022567] [2024-11-13 14:54:45,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:45,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:54:45,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:45,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:54:45,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:54:45,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 86 [2024-11-13 14:54:45,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 169 transitions, 978 flow. Second operand has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 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) [2024-11-13 14:54:45,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:45,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 86 [2024-11-13 14:54:45,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:46,075 INFO L124 PetriNetUnfolderBase]: 358/1041 cut-off events. [2024-11-13 14:54:46,075 INFO L125 PetriNetUnfolderBase]: For 1422/1457 co-relation queries the response was YES. [2024-11-13 14:54:46,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3243 conditions, 1041 events. 358/1041 cut-off events. For 1422/1457 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 6349 event pairs, 77 based on Foata normal form. 3/1015 useless extension candidates. Maximal degree in co-relation 3189. Up to 593 conditions per place. [2024-11-13 14:54:46,087 INFO L140 encePairwiseOnDemand]: 71/86 looper letters, 104 selfloop transitions, 61 changer transitions 10/230 dead transitions. [2024-11-13 14:54:46,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 230 transitions, 1674 flow [2024-11-13 14:54:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:54:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:54:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 410 transitions. [2024-11-13 14:54:46,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7945736434108527 [2024-11-13 14:54:46,090 INFO L175 Difference]: Start difference. First operand has 113 places, 169 transitions, 978 flow. Second operand 6 states and 410 transitions. [2024-11-13 14:54:46,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 230 transitions, 1674 flow [2024-11-13 14:54:46,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 230 transitions, 1610 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-13 14:54:46,113 INFO L231 Difference]: Finished difference. Result has 123 places, 216 transitions, 1500 flow [2024-11-13 14:54:46,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1500, PETRI_PLACES=123, PETRI_TRANSITIONS=216} [2024-11-13 14:54:46,114 INFO L277 CegarLoopForPetriNet]: 84 programPoint places, 39 predicate places. [2024-11-13 14:54:46,114 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 216 transitions, 1500 flow [2024-11-13 14:54:46,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 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) [2024-11-13 14:54:46,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:46,115 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:46,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:54:46,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:54:46,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:46,116 INFO L85 PathProgramCache]: Analyzing trace with hash 364138806, now seen corresponding path program 1 times [2024-11-13 14:54:46,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:46,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652913611] [2024-11-13 14:54:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:54:46,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:54:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:54:46,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:54:46,250 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:54:46,251 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-13 14:54:46,253 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 14:54:46,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-13 14:54:46,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-13 14:54:46,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 14:54:46,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 14:54:46,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 14:54:46,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:54:46,255 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:54:46,332 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:54:46,332 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:54:46,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:54:46 BasicIcfg [2024-11-13 14:54:46,340 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:54:46,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:54:46,341 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:54:46,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:54:46,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:54:40" (3/4) ... [2024-11-13 14:54:46,345 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:54:46,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:54:46,412 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:54:46,413 INFO L158 Benchmark]: Toolchain (without parser) took 7494.57ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.1MB in the beginning and 117.4MB in the end (delta: -27.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-13 14:54:46,414 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 41.2MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:54:46,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.26ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 62.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:54:46,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.74ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 60.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:54:46,415 INFO L158 Benchmark]: Boogie Preprocessor took 35.48ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 58.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:54:46,417 INFO L158 Benchmark]: RCFGBuilder took 636.32ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 42.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:54:46,418 INFO L158 Benchmark]: TraceAbstraction took 5830.65ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 41.8MB in the beginning and 122.7MB in the end (delta: -81.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-13 14:54:46,420 INFO L158 Benchmark]: Witness Printer took 71.18ms. Allocated memory is still 159.4MB. Free memory was 122.7MB in the beginning and 117.4MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:54:46,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 41.2MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.26ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 62.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.74ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 60.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.48ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 58.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 636.32ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 42.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5830.65ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 41.8MB in the beginning and 122.7MB in the end (delta: -81.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 71.18ms. Allocated memory is still 159.4MB. Free memory was 122.7MB in the beginning and 117.4MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal={1:0}] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal={1:0}] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L928] 0 pthread_t id; VAL [mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L921] 1 int *p = &myglobal; VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 \read(*p) VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 \read(myglobal) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [\old(arg)={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, id=-1, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: *p = *p + 1 [923] and C: myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 114 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 708 IncrementalHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 5 mSDtfsCounter, 708 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1500occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 2.4s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:54:46,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_905a196a-4e0d-4010-9034-9b21a99ab403/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE