./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.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_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/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_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/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_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:33:08,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:33:08,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:33:08,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:33:08,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:33:08,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:33:08,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:33:08,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:33:08,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:33:08,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:33:08,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:33:08,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:33:08,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:33:08,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:33:08,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:33:08,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:33:08,413 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:33:08,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:33:08,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:33:08,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:33:08,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:33:08,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:33:08,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:33:08,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:33:08,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:33:08,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:08,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:33:08,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:33:08,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:33:08,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:33:08,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:33:08,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:33:08,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:33:08,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:33:08,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:33:08,416 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_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/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 -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2024-11-13 15:33:08,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:33:08,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:33:08,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:33:08,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:33:08,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:33:08,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i Unable to find full path for "g++" [2024-11-13 15:33:10,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:33:11,093 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:33:11,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2024-11-13 15:33:11,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/data/89f6e1c3e/84e42486c228465b8eef996babe3e12e/FLAGba608dea1 [2024-11-13 15:33:11,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/data/89f6e1c3e/84e42486c228465b8eef996babe3e12e [2024-11-13 15:33:11,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:33:11,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:33:11,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:11,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:33:11,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:33:11,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c36c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11, skipping insertion in model container [2024-11-13 15:33:11,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:33:11,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:11,661 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:33:11,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:11,770 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:33:11,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11 WrapperNode [2024-11-13 15:33:11,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:11,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:11,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:33:11,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:33:11,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,810 INFO L138 Inliner]: procedures = 267, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-13 15:33:11,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:11,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:33:11,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:33:11,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:33:11,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:33:11,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:33:11,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:33:11,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:33:11,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (1/1) ... [2024-11-13 15:33:11,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:11,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:33:11,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:33:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:33:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:33:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:33:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:33:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:33:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:33:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:33:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:33:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:33:11,931 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 15:33:12,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:33:12,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:33:12,265 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:33:12,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:33:12,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:33:12,289 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:33:12,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:12 BoogieIcfgContainer [2024-11-13 15:33:12,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:33:12,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:33:12,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:33:12,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:33:12,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:33:11" (1/3) ... [2024-11-13 15:33:12,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251ad9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:12, skipping insertion in model container [2024-11-13 15:33:12,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:11" (2/3) ... [2024-11-13 15:33:12,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251ad9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:12, skipping insertion in model container [2024-11-13 15:33:12,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:12" (3/3) ... [2024-11-13 15:33:12,303 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2024-11-13 15:33:12,321 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:33:12,322 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 00-sanity_09-include.i that has 2 procedures, 57 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-13 15:33:12,323 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:33:12,395 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:33:12,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 116 flow [2024-11-13 15:33:12,506 INFO L124 PetriNetUnfolderBase]: 0/55 cut-off events. [2024-11-13 15:33:12,512 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:33:12,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 55 events. 0/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-13 15:33:12,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 56 transitions, 116 flow [2024-11-13 15:33:12,524 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2024-11-13 15:33:12,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:33:12,554 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;@5b272e91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:33:12,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 15:33:12,575 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:33:12,576 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-13 15:33:12,576 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:33:12,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:33:12,576 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] [2024-11-13 15:33:12,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 15:33:12,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:12,607 INFO L85 PathProgramCache]: Analyzing trace with hash -402802904, now seen corresponding path program 1 times [2024-11-13 15:33:12,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:12,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839370165] [2024-11-13 15:33:12,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:12,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:12,882 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 15:33:12,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:12,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839370165] [2024-11-13 15:33:12,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839370165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:12,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:12,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:33:12,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171416764] [2024-11-13 15:33:12,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:12,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:33:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:33:12,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:33:12,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 56 [2024-11-13 15:33:12,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 15:33:12,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:33:12,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 56 [2024-11-13 15:33:12,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:33:13,022 INFO L124 PetriNetUnfolderBase]: 18/159 cut-off events. [2024-11-13 15:33:13,022 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:33:13,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 159 events. 18/159 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 595 event pairs, 6 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 189. Up to 27 conditions per place. [2024-11-13 15:33:13,025 INFO L140 encePairwiseOnDemand]: 48/56 looper letters, 13 selfloop transitions, 6 changer transitions 0/63 dead transitions. [2024-11-13 15:33:13,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 167 flow [2024-11-13 15:33:13,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:33:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:33:13,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2024-11-13 15:33:13,041 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285714285714286 [2024-11-13 15:33:13,043 INFO L175 Difference]: Start difference. First operand has 59 places, 55 transitions, 113 flow. Second operand 3 states and 156 transitions. [2024-11-13 15:33:13,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 167 flow [2024-11-13 15:33:13,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 63 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:33:13,056 INFO L231 Difference]: Finished difference. Result has 62 places, 61 transitions, 164 flow [2024-11-13 15:33:13,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=62, PETRI_TRANSITIONS=61} [2024-11-13 15:33:13,065 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 3 predicate places. [2024-11-13 15:33:13,065 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 61 transitions, 164 flow [2024-11-13 15:33:13,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 15:33:13,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:33:13,065 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] [2024-11-13 15:33:13,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:33:13,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 15:33:13,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:13,067 INFO L85 PathProgramCache]: Analyzing trace with hash 547952178, now seen corresponding path program 1 times [2024-11-13 15:33:13,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:13,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000412395] [2024-11-13 15:33:13,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:13,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:13,140 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 15:33:13,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:13,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000412395] [2024-11-13 15:33:13,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000412395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:13,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:13,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:33:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622665929] [2024-11-13 15:33:13,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:13,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:33:13,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:13,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:33:13,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:33:13,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 56 [2024-11-13 15:33:13,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 61 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 15:33:13,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:33:13,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 56 [2024-11-13 15:33:13,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:33:13,251 INFO L124 PetriNetUnfolderBase]: 42/238 cut-off events. [2024-11-13 15:33:13,251 INFO L125 PetriNetUnfolderBase]: For 78/80 co-relation queries the response was YES. [2024-11-13 15:33:13,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 238 events. 42/238 cut-off events. For 78/80 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1107 event pairs, 17 based on Foata normal form. 1/218 useless extension candidates. Maximal degree in co-relation 401. Up to 78 conditions per place. [2024-11-13 15:33:13,257 INFO L140 encePairwiseOnDemand]: 50/56 looper letters, 16 selfloop transitions, 7 changer transitions 1/68 dead transitions. [2024-11-13 15:33:13,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 236 flow [2024-11-13 15:33:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:33:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:33:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 149 transitions. [2024-11-13 15:33:13,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2024-11-13 15:33:13,263 INFO L175 Difference]: Start difference. First operand has 62 places, 61 transitions, 164 flow. Second operand 3 states and 149 transitions. [2024-11-13 15:33:13,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 236 flow [2024-11-13 15:33:13,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:33:13,267 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 208 flow [2024-11-13 15:33:13,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2024-11-13 15:33:13,270 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 5 predicate places. [2024-11-13 15:33:13,271 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 208 flow [2024-11-13 15:33:13,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 15:33:13,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:33:13,271 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] [2024-11-13 15:33:13,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:33:13,274 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 15:33:13,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:13,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2036045031, now seen corresponding path program 1 times [2024-11-13 15:33:13,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:13,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621137192] [2024-11-13 15:33:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:13,392 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 15:33:13,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:13,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621137192] [2024-11-13 15:33:13,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621137192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:13,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:13,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:33:13,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461431613] [2024-11-13 15:33:13,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:13,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:33:13,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:13,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:33:13,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:33:13,422 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 56 [2024-11-13 15:33:13,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 15:33:13,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:33:13,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 56 [2024-11-13 15:33:13,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:33:13,538 INFO L124 PetriNetUnfolderBase]: 37/248 cut-off events. [2024-11-13 15:33:13,542 INFO L125 PetriNetUnfolderBase]: For 171/174 co-relation queries the response was YES. [2024-11-13 15:33:13,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 248 events. 37/248 cut-off events. For 171/174 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1233 event pairs, 8 based on Foata normal form. 1/235 useless extension candidates. Maximal degree in co-relation 475. Up to 67 conditions per place. [2024-11-13 15:33:13,544 INFO L140 encePairwiseOnDemand]: 50/56 looper letters, 12 selfloop transitions, 7 changer transitions 6/71 dead transitions. [2024-11-13 15:33:13,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 71 transitions, 278 flow [2024-11-13 15:33:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:33:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:33:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2024-11-13 15:33:13,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8988095238095238 [2024-11-13 15:33:13,550 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 208 flow. Second operand 3 states and 151 transitions. [2024-11-13 15:33:13,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 71 transitions, 278 flow [2024-11-13 15:33:13,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 71 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:33:13,555 INFO L231 Difference]: Finished difference. Result has 66 places, 65 transitions, 226 flow [2024-11-13 15:33:13,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2024-11-13 15:33:13,556 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 7 predicate places. [2024-11-13 15:33:13,556 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 226 flow [2024-11-13 15:33:13,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 15:33:13,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:33:13,557 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] [2024-11-13 15:33:13,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:33:13,557 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 15:33:13,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash 957579842, now seen corresponding path program 1 times [2024-11-13 15:33:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432455367] [2024-11-13 15:33:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:13,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:13,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:13,648 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:33:13,649 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-13 15:33:13,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 15:33:13,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-13 15:33:13,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-13 15:33:13,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 15:33:13,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 15:33:13,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 15:33:13,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:33:13,652 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 15:33:13,679 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:33:13,679 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:33:13,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:33:13 BasicIcfg [2024-11-13 15:33:13,685 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:33:13,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:33:13,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:33:13,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:33:13,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:12" (3/4) ... [2024-11-13 15:33:13,688 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 15:33:13,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:33:13,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:33:13,727 INFO L158 Benchmark]: Toolchain (without parser) took 2591.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.9MB in the beginning and 317.3MB in the end (delta: -225.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-13 15:33:13,727 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:13,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.54ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 64.7MB in the end (delta: 27.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:33:13,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:13,728 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 61.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:13,728 INFO L158 Benchmark]: RCFGBuilder took 456.94ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 49.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:13,729 INFO L158 Benchmark]: TraceAbstraction took 1391.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.3MB in the beginning and 320.3MB in the end (delta: -271.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-13 15:33:13,729 INFO L158 Benchmark]: Witness Printer took 40.40ms. Allocated memory is still 352.3MB. Free memory was 320.3MB in the beginning and 317.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:13,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.54ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 64.7MB in the end (delta: 27.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 61.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 456.94ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 49.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1391.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.3MB in the beginning and 320.3MB in the end (delta: -271.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 40.40ms. Allocated memory is still 352.3MB. Free memory was 320.3MB in the beginning and 317.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 991]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L996] 0 pthread_t id; VAL [glob=0, mutex={1:0}] [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob=0, id=-1, mutex={1:0}] [L998] 0 glob++ VAL [\old(arg)={0:0}, glob=0, id=-1, mutex={1:0}] [L991] 1 glob++ VAL [\old(arg)={0:0}, arg={0:0}, glob=0, mutex={1:0}] [L998] 0 glob++ VAL [\old(arg)={0:0}, arg={0:0}, glob=1, id=-1, mutex={1:0}] [L991] 1 glob++ VAL [\old(arg)={0:0}, arg={0:0}, glob=1, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [998] and C: glob++ [991] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: 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: 991]: 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, 77 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 6 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 15:33:13,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ec9c7f-d974-4f63-ae0b-bf5c9521d192/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